Social cognition: A crucial indicator of higher-order cognitive ability across the animal phyla

Social cognition (SC) constitutes a predominant aspect of complex cognition (CC) especially in non-human animals. Apart from bees, ants and birds, fish, particularly the teleost group, are considered as an emerging model organism to study vertebrate SC. The commentary deals with some of the CC traits of SC across different families of teleost fish that have been experimentally reported.