"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 ...

A jewel fish (Hemichromis bimaculatus) that is reintroduced into a familiar aquarium compartment where it had remained before during two hours, is dominant over a conspecific of similar size that had ...

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.

Behavioural experiments in shell-dwelling cichlid fish reveal evolutionary adaptations in parents and offspring that control the timing of emergence from the nest. To mimic the empty snail shells that ...

David Ceilley and his son Connor weren't surprised last week when they pulled two clear-plastic fish traps from Owl Creek in East Lee County. Total catch: 21 African jewelfish (also known as jewel ...

From rare cichlids to unexpected surprises, this tiny stream is a wild aquarium in disguise. Medicaid ruling by Senate parliamentarian sparks Republican outrage Mariska Hargitay Reveals Story Behind ...