{"id":9941,"date":"2026-04-09T20:25:49","date_gmt":"2026-04-09T18:25:49","guid":{"rendered":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/?p=9941"},"modified":"2026-04-09T17:36:04","modified_gmt":"2026-04-09T15:36:04","slug":"japanische-reisfische-medaka-oryzias-latipes-der-koi-des-kleinen-mannes","status":"publish","type":"post","link":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/japanische-reisfische-medaka-oryzias-latipes-der-koi-des-kleinen-mannes\/","title":{"rendered":"Japanische Reisfische &#8211; Medaka &#8211; Oryzias latipes &#8211; Der Koi des kleinen Mannes"},"content":{"rendered":"\n<p>Da unser aktueller Teich (und der geplante) f\u00fcr Kois (und auch f\u00fcr Goldfische) nicht gro\u00df genug sind, habe ich recherchiert und noch eine interessante Fischart entdeckt: Japanische Reisk\u00e4rpflinge (Oryzias latipes). In Japan hei\u00dfen sie Medaka und lebten urspr\u00fcnglich in Reisfeldern. Es sind aquaristisch gesehen sehr harte Fische und k\u00f6nnen ein weites Spektrum an Temperatur ertragen. <\/p>\n\n\n\n<p class=\"p1\">Medaka \u2013 die \u201eReisfeldfische\u201c Japans<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-full\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"394\" data-attachment-id=\"10203\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/img_1145-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?fit=2000%2C1500&amp;ssl=1\" data-orig-size=\"2000,1500\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.8&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 17 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1775737180&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;16.890625&quot;,&quot;iso&quot;:&quot;64&quot;,&quot;shutter_speed&quot;:&quot;0.0082644628099174&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"img_1145\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?fit=525%2C394&amp;ssl=1\" data-id=\"10203\" src=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?resize=525%2C394&#038;ssl=1\" alt=\"\" class=\"wp-image-10203\" srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?w=2000&amp;ssl=1 2000w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?resize=686%2C515&amp;ssl=1 686w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?w=1050&amp;ssl=1 1050w\" sizes=\"auto, (max-width: 767px) 89vw, (max-width: 1000px) 54vw, (max-width: 1071px) 543px, 580px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"p1\">Der Japanische Reisfisch (Oryzias latipes), kurz Medaka, ist ein kleiner, friedlicher S\u00fc\u00dfwasserfisch, der in Japan seit Jahrhunderten in Reisfeldern, Teichen und G\u00e4rten lebt.<\/p>\n\n\n\n<p class=\"p1\">Er gilt als Symbol f\u00fcr Ausdauer und Anpassungsf\u00e4higkeit, da er auch in flachen, warmen oder k\u00fchlen Gew\u00e4ssern \u00fcberleben kann.<\/p>\n\n\n\n<p class=\"p1\">Mit seinem ruhigen Schwimmstil und den schimmernden Farben bringt der Medaka Leben und Harmonie in den Gartenteich.<\/p>\n\n\n\n<p>Ich habe am 5.8.2025 Medaka Eier gekauft und br\u00fcte sie in einem kleinen Becken aus.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"515\" height=\"686\" data-attachment-id=\"9951\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/japanische-reisfische-medaka-oryzias-latipes-der-koi-des-kleinen-mannes\/img_5199\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?fit=1920%2C2560&amp;ssl=1\" data-orig-size=\"1920,2560\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 16 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1754560193&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;2.2200000286119&quot;,&quot;iso&quot;:&quot;40&quot;,&quot;shutter_speed&quot;:&quot;0.0021413276231263&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_5199\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?fit=515%2C686&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199.jpeg?resize=515%2C686&#038;ssl=1\" alt=\"\" class=\"wp-image-9951\" srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?resize=515%2C686&amp;ssl=1 515w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?resize=1152%2C1536&amp;ssl=1 1152w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?resize=1536%2C2048&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?w=1920&amp;ssl=1 1920w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/IMG_5199-scaled.jpeg?w=1050&amp;ssl=1 1050w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/figure>\n\n\n\n<p>Der erste ist heute (8.8)  geschl\u00fcpft<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"488\" data-attachment-id=\"9929\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/img_5255\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5255.jpg?fit=659%2C613&amp;ssl=1\" data-orig-size=\"659,613\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"img_5255\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5255.jpg?fit=525%2C488&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5255.jpg?resize=525%2C488&#038;ssl=1\" alt=\"\" class=\"wp-image-9929\" style=\"width:200px\" srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5255.jpg?w=659&amp;ssl=1 659w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5255.jpg?resize=300%2C279&amp;ssl=1 300w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<p>Am n\u00e4chsten Tag folgte der zweite.  Ich habe die Winzlinge in einen eingefahrenen K\u00fcbel voller Pflanzen und infusorien umgesetzt. <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"515\" height=\"686\" data-attachment-id=\"9942\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/img_5288\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?fit=1500%2C2000&amp;ssl=1\" data-orig-size=\"1500,2000\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.78&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 16 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1754762127&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6.7649998656528&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.003003003003003&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"img_5288\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?fit=515%2C686&amp;ssl=1\" data-id=\"9942\" src=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?resize=515%2C686&#038;ssl=1\" alt=\"\" class=\"wp-image-9942\" srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?resize=515%2C686&amp;ssl=1 515w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?resize=1152%2C1536&amp;ssl=1 1152w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?w=1500&amp;ssl=1 1500w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5288.jpg?w=1050&amp;ssl=1 1050w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"515\" height=\"686\" data-attachment-id=\"9943\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/img_5289\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?fit=1500%2C2000&amp;ssl=1\" data-orig-size=\"1500,2000\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.78&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 16 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1754762130&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6.7649998656528&quot;,&quot;iso&quot;:&quot;100&quot;,&quot;shutter_speed&quot;:&quot;0.003003003003003&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"img_5289\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?fit=515%2C686&amp;ssl=1\" data-id=\"9943\" src=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?resize=515%2C686&#038;ssl=1\" alt=\"\" class=\"wp-image-9943\" srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?resize=515%2C686&amp;ssl=1 515w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?resize=225%2C300&amp;ssl=1 225w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?resize=768%2C1024&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?resize=1152%2C1536&amp;ssl=1 1152w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?w=1500&amp;ssl=1 1500w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/img_5289.jpg?w=1050&amp;ssl=1 1050w\" sizes=\"auto, (max-width: 515px) 100vw, 515px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Mittlerweile f\u00fcttere ich gaaanz wenig Staubfutter zu. Noch konnte ich beide jeden Tag entdecken. Hoffentlich schl\u00fcpfen die anderen Eier auch noch. Die lassen sich Zeit.<\/p>\n\n\n\n<p>Nach dem Wochenende versuche ich noch adulte Medaka zu bekommen.<\/p>\n\n\n\n<p>Am 11.8. 2025 habe ich in der N\u00e4he von einer begeisterten Hobbyz\u00fcchterin 14 Medakas bekomme. Verschiedene Farbvarianten. Die kamen gleich in den Teich und haben sich schnell eingelebt.<\/p>\n\n\n\n<p>Meine restlichen Eier sind immer noch nicht geschl\u00fcpft. Ich habe sie nun zu den bereits geschl\u00fcpften im K\u00fcbel gegeben. <\/p>\n\n\n\n<p>Am n\u00e4chsten Tag die freudige \u00dcberraschung! Die sind alle geschl\u00fcpft- was f\u00fcr ein Gewusel \ud83d\ude0a.<\/p>\n\n\n\n<p>Den K\u00fcbel habe dann noch vorsichtig sch\u00f6ner gestaltet. Ein Stein und darauf eine Funkie im Pflanzkorb, Hydrocharis morsus-ranae (Froschbiss) und Azolla Carolinia (Feenmoos) als Schwimmpflanzen. Dazu einen Ableger Myrophyllum und etwas Waserpest. Ein Ring aus Luftschlauch sorgt f\u00fcr ein Guckloch ins Wasser und den Ausstr\u00f6mer an einer kleinen Membranpume habe ich auch installiert.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-3 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"394\" data-attachment-id=\"9972\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/japanische-reisfische-medaka-oryzias-latipes-der-koi-des-kleinen-mannes\/01d16659-36b2-4d30-af73-6d53bbccc370_1_102_o\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?fit=2048%2C1536&amp;ssl=1\" data-orig-size=\"2048,1536\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.78&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 16 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1755280611&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6.7649998656528&quot;,&quot;iso&quot;:&quot;64&quot;,&quot;shutter_speed&quot;:&quot;0.00080515297906602&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?fit=525%2C394&amp;ssl=1\" data-id=\"9972\" src=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?resize=525%2C394&#038;ssl=1\" alt=\"\" class=\"wp-image-9972\" srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?resize=686%2C515&amp;ssl=1 686w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?w=2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/01D16659-36B2-4D30-AF73-6D53BBCCC370_1_102_o.jpeg?w=1050&amp;ssl=1 1050w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"394\" data-attachment-id=\"9973\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/japanische-reisfische-medaka-oryzias-latipes-der-koi-des-kleinen-mannes\/8812612c-fdb2-4b55-b016-8ce47acff88b_1_102_o\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?fit=2048%2C1536&amp;ssl=1\" data-orig-size=\"2048,1536\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.78&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 16 Pro&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1755433639&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;6.7649998656528&quot;,&quot;iso&quot;:&quot;64&quot;,&quot;shutter_speed&quot;:&quot;0.00049188391539597&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?fit=525%2C394&amp;ssl=1\" data-id=\"9973\" src=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?resize=525%2C394&#038;ssl=1\" alt=\"\" class=\"wp-image-9973\" srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?resize=686%2C515&amp;ssl=1 686w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?resize=1536%2C1152&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?w=2048&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/8812612C-FDB2-4B55-B016-8CE47ACFF88B_1_102_o.jpeg?w=1050&amp;ssl=1 1050w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"394\" data-attachment-id=\"9974\" data-permalink=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/japanische-reisfische-medaka-oryzias-latipes-der-koi-des-kleinen-mannes\/1ab8b139-a7fa-425b-979d-4afd76c666d3_1_105_c\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/1AB8B139-A7FA-425B-979D-4AFD76C666D3_1_105_c.jpeg?fit=1024%2C768&amp;ssl=1\" data-orig-size=\"1024,768\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.78&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 16 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srcset=\"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/1AB8B139-A7FA-425B-979D-4AFD76C666D3_1_105_c.jpeg?resize=686%2C515&amp;ssl=1 686w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/1AB8B139-A7FA-425B-979D-4AFD76C666D3_1_105_c.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/1AB8B139-A7FA-425B-979D-4AFD76C666D3_1_105_c.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2025\/08\/1AB8B139-A7FA-425B-979D-4AFD76C666D3_1_105_c.jpeg?w=1024&amp;ssl=1 1024w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Nun k\u00f6nnen die kleinen wachsen. Gef\u00fcttert werden sie mit gr\u00fcnem Wasser das ich mehr oder weniger erfolgreich in sch\u00fcsseln ziehe. Dazu Mikrofutter f\u00fcr Jungfische.<\/p>\n\n\n\n<p>Die &#8222;gro\u00dfen&#8220; haben sich im Teich eingelebt. Wenn ich Stechm\u00fcckenlarven f\u00fcttere werden das richtige Raubtiere.<\/p>\n\n\n\n<p><em>Update:  \u00dcber den Winter haben die Medaka im Teich \u00fcberlebt. Ich habe \u00fcber den Winter eine Aquarien-Durchl\u00fcfterpumpe mit einem Ausstr\u00f6merstein verwendet. Den Ausstr\u00f6mer habe ich in 20cm Wassertiefe mit einem Stein beschwert positioniert. Der hat den ganzen Winter &#8211; trotz langer harter Fr\u00f6ste mit dickem Eis eine Ecke des Teichs eisfrei gehalten. Die V\u00f6gel haben das &#8211; anhand der Spuren auf dem Schnee &#8211; offenbar dankbar als Tr\u00e4nke genutzt. <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Da unser aktueller Teich (und der geplante) f\u00fcr Kois (und auch f\u00fcr Goldfische) nicht gro\u00df genug sind, habe ich recherchiert und noch eine interessante Fischart entdeckt: Japanische Reisk\u00e4rpflinge (Oryzias latipes). In Japan hei\u00dfen sie Medaka und lebten urspr\u00fcnglich in Reisfeldern. Es sind aquaristisch gesehen sehr harte Fische und k\u00f6nnen ein weites Spektrum an Temperatur ertragen. &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/japanische-reisfische-medaka-oryzias-latipes-der-koi-des-kleinen-mannes\/\" class=\"more-link\"><span class=\"screen-reader-text\">\u201eJapanische Reisfische &#8211; Medaka &#8211; Oryzias latipes &#8211; Der Koi des kleinen Mannes\u201c <\/span>weiterlesen<\/a><\/p>\n","protected":false},"author":1,"featured_media":10203,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[616,614,618],"tags":[],"class_list":["post-9941","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-japan","category-japangarten","category-medaka"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-content\/uploads\/2026\/04\/img_1145.jpg?fit=2000%2C1500&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/pOqQt-2Al","jetpack_sharing_enabled":true,"jetpack_likes_enabled":true,"jetpack-related-posts":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/posts\/9941","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/comments?post=9941"}],"version-history":[{"count":8,"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/posts\/9941\/revisions"}],"predecessor-version":[{"id":10204,"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/posts\/9941\/revisions\/10204"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/media\/10203"}],"wp:attachment":[{"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/media?parent=9941"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/categories?post=9941"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.irrlicht-geocaching.de\/irrlichtblog\/wp-json\/wp\/v2\/tags?post=9941"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}