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.
Heloderma horridum Beaded lizards are one of only two known species of venomous lizards. They live in Mexico’s Sonoran and Sinaloan drainage basins, eating…
