Originally Posted by
jwcarlson
I had just one single furcata rainbowfish that came in a shipment of CPDs in error. So he grew up with these little fish and he's 4x their size. He would relentlessly "dance" for the CPD female... sex ratio was all off so I think she used him to keep the males off of her. I've since had him father a few babies before the female I brought in croaked for no apparent reason.
I could certainly see fish that have parental care "adopting" different fry and raising them as their own.
Hopefully there's some pictures in the thread still even if the videos don't work, pretty neat experience though. This cracked me up: