This species forms large groups called schools that graze on algae in the deep waters around coral reefs. Fish in this genus are often called “surgeon fish” because of two scalpel-like barbs at the base of their tails. When provoked, a tang will quickly flick its tail and use these sharp spines to defend itself.
Avicularia avicularia Its hunting style is sit-and-wait, remaining motionless in a trance-like state until prey is close. Should a predator investigate whether the tarantula…