Subordinate male cichlid fish who help with the childcare for the dominant breeding pair are occasionally actually the fathers of some of the offspring they help to rear, according to new research.

In this video, I share the surprise discovery of unexpected cichlid fry in my aquarium, highlighting the fascinating breeding behaviors of these fish. Join me as I navigate the challenges of caring ...

Difference in body size (or sexual dimorphism) between males and females is common across the animal kingdom. One of the most extreme examples of sexual dimorphism is found in the cichlid fish species ...

Cichlids are one of the largest and strangest groups of vertebrate fish — fish with backbones — on Earth. They’re popular as pets and farmed in aquaculture, and scientists have been studying them ...

Subordinate male cichlid fish who help with the childcare for the dominant breeding pair are occasionally actually the fathers of some of the offspring they help to rear, according to new research ...