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Banggai Cardinalfish eggs

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Despite what it looks like, this is not a short clip from a Hayao Miyazaki film. These are banggai cardinalfish eggs with still-forming fish inside. Their eyes are quite clear. Can you see their heartbeats?

These three small creatures were filmed pre-hatched by Richard Ross, CalAcademy’s Senior Biologist at the Steinhart Aquarium. Normally, male banggai cardinafish, Pterapogon kauderni,Β keep around 90 fertilized eggs in their mouths for 30 days while the eggs mature β€” they don’t eat at all during that month β€” but onΒ occasion, some eggs are spit out early. Here’s another video thatΒ shows larger babies in a male’s mouth:

The caption by mikew9788: β€œThey are so big now you can see that they have the same coloration as the adults. I expect the male to spit the babies out any day now.”

While they are bred successfully in captivity,Β Banggai are endangered in the wildsΒ of theΒ Banggai IslandsΒ in Sulawesi, Indonesia. You can learn more at Banggai-Rescue.com.

Watch more fishΒ and more babies.

via Earth Touch.

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