Despite the creatures’ regenerative abilities, scientists are no longer finding them in their natural habitat of Xochimilco, ...

Twelve juvenile crucian carp (C. carassius; body length ... During the breeding process, both the fish and crayfish were fed small amounts of frozen Chironomidae larvae (Ichthyo Trophic, Poland).

Goldfish possess genetic traits that allow them to swell up to four pounds—the size of a Chihuahua. Experts say that's why ...