Cuckoo catfish may be the worst parents ever. Rather than raising their own cannibalistic offspring, they force other fish species to raise them in their own mouths. But how do they do it? New ...

This article originally appeared on Massive. Two cichlids, small silver fish brushed with yellow, romantically swoop and dive around each other. Just out of reach of the breeding pair, a duo of ...

There are other animals besides the cuckoo who smuggle their offspring into another animal's nest. The synodontis multipunctatus, which occurs in Lake Tanganyika in Africa and is better known as ...

Cuckoo catfish (Synodontis multipunctatus) have a cunning reproductive strategy. Rather than expend the energy required to care for eggs themselves, they sneak their developing offspring into the ...

Cuckoo catfish trick cichlids into caring for their eggs in a strategy known as brood parasitism. A series of rodent experiments showed that even with abundant food and water, personal space is ...

One-week-old cuckoo catfish, growing rapidly when feeding on host offspring. This material relates to a paper that appeared in the 02 May 2018, issue of Science Advances, published by AAAS. The paper, ...

SNEAKY FISH. What the cuckoo is to the bird world an African catfish is to the fish world. But with a difference. The cuckoo lays its eggs in the nests of other birds, which hatch them. The catfish of ...