Cichlids, catfish ... Exercise caution when adding decor to the tank, such as untreated wood or rocks. These items should be cleaned with boiling water to remove pathogens and prevent contamination.

In a river of southern Africa, a “large”-mouthed creature swam along the rocks looking for its next ... Dec. 30 in the peer-reviewed Journal of Fish Biology. The “river system is ...

These colorful cichlids form hunting groups of 3-12 individuals ... that Peacock Bass work systematically to drive smaller fish toward shallow areas or structural features like fallen trees or rock ...

Scientists reveal the genetic secret behind the thick lips of African cichlids, linked to parallel evolution and proteins.

The California Department of Fish and Wildlife (CDFW) announced the long-anticipated reopening of the commercial fishery from ...

Fossils of Tiktaalik roseae blended fins with hints of limbs and sported a flat head suited for peering above the waterline.

Winter depression manifests with low mood, lethargy, less motivation to be around others or have sex; in uncannily similar forms, it also shows up among our fellow creatures—from fish (Nakayama et al.