In social fish like cichlids, status is everything. High-status males are territorial and colorful – they defend territories and reproduce with females. Low-status males, which are less colorful and ...

By studying a highly social, very hierarchical fish species, cichlids, scientists have now found that social stress raises oxidative stress in the brains of low-status fish. Male cichlids have a ...

Social stress raises brain oxidative stress, especially in low-status cichlid fish. High-status fish show better antioxidant ...

Over 1,800 species of cichlid fish live in Africa’s Rift Valleys lakes. In this crowded world, many cichlid species use ‘mouth-brooding’ to both incubate their eggs, and protect their young.

Fish suffer from "social stress " - just like humans, according to a new study. Researchers found that male fish with low ...

[Note: undated footage] The video shows critically endangered Mangarahara cichlid fish, which are so rare their survival depends on man-made breeding facilities to keep the species alive.

Dominant male cichlids stand out for their large size and vibrant colors — features driven by hormones linked to reproductive ...

A British zoo is spearheading a dramatic conservation effort to save a rare fish species from extinction - after discovering ...

It is not some secret that stress can be bad for animal brains, and social stress itself can lead to a build up of oxidative stress. This imbalance of free radicals and antioxidants damages the cells ...