Size: Large lizard; males up to 920mm in length, females up to 510mm.

Habitat: Lowland moist and wet forests, and premontane wet forests. In areas with streams running through large stands of trees.

Biology: Diurnal; semi-aquatic, semi-arboreal. Reproduction mostly during rainy season, but can occur year-round.

Food: Juveniles are insectivorous. Adults eat wide variety of food, including plant material, shrimp, crabs, and even small bats.

Source: Savage, Jay M. 2002. The Amphibians and Reptiles of Costa Rica. The University of Chicago Press, Chicago. 935pp.

Size: Moderate size; males up to 590mm length, females 470mm.

Habitat: Prefers open and disturbed habitats in the lowland moist and wet forests near the Atlantic.

Biology: Less aquatic than other congeners. Diurnal and heliothermic. Frequently seen on or near ground-level. Reproduction mainly February/March to October.

Food: Young feed on insects and spiders. Adults eat variety of animal and plant material.

Source: Savage, Jay M. 2002. The Amphibians and Reptiles of Costa Rica. The University of Chicago Press, Chicago. 935pp.