Most fish abandon their young at hatching, but not discus fish. Researchers have discovered that discus fish parent like mammalian mothers. ... Few fish are famed for their parenting skills. Most species leave their freshly hatched fry to fend for themselves, but not discus fish.

How does fish care for their young?

In addition to being mouthbrooders, some species continue to protect their young after they hatch, calling out to them when there is danger, and letting them swim back into their mouth to hold them safely away. ... Some species also build nests and protect the young after they hatch.

Do male fish take care of their young?

And they seem to step it up whenever females are around. This could explain why it's advantageous for males to take care of their eggs: doing so helps them get more chances to mate, and therefore many more offspring.