In bony fish the swim bladder primarily serves for buoyancy. Moreover, in many species it also possesses acoustic functions: it plays a role in sound production and improves hearing in numerous ways.

The manner and routes of dispersal vary with the species and the ecological conditions. Many fish form shoals to avoid predation. Shoaling with familiar conspecifics affords the fish an even greater ...

The biological family Cichlidaea is one of the most fascinating examples of animal evolution on Earth. Convict cichlids are a widespread, well-known species within this unique group. Convict cichlids ...

Different species of fish, called cichlids, swim in East Africa's Lake Victoria. More than 700 cichlid species have evolved in the Lake Victoria region over the past 150,000 years. Disclaimer: AAAS ...

Dubai’s indoor rainforest opens new aquarium with 2,000 African cichlid fish Starting June 22, guests can dive into the world's largest freshwater cichlid aquarium for the ‘Snorkel with Cichlid’ ...

"Sound vibrations are transmitted to the inner ear via anterior extensions of the swim bladder or via bony ossicles", the biologist Tanja Schulz-Mirbach explains how swim bladders may serve for ...