Cuvier’s Dwarf Caimans have body armor on both dorsal and ventral sides. Adults are brownish-black with a dark brown head and have irises of the eyes are chestnut brown. Cuvier’s Dwarf Caimans are carnivores mainly feed on fish, amphibians, small mammals, or birds which they catch in the water or on land. Males grow about 1.3 meters to 1.5 meters while the females grow to 1 to 2 meters. They can reach a mass of about 6 to 7 kg.
Cuvier’s Dwarf Caimans are polygynous which means that one male mates with multiple females in a single breeding season. Courtship and copulation take place at the end of the dry season. The males are seen to lift their heads high and hold their tails almost vertically out of the water. Males released roar like sound and these noises indicate the actual complexity of mating ritual within this species. The females lay clutches of 10 to 25 eggs and the incubation period last around 90 days.
Cuvier’s Dwarf Caimans are very important for their ecosystem because they maintain a healthy balance of organisms. In their absence, fish such as piranhas might dominate the environment. Fascinating facts, when they threaten, this species may inflate its body to exaggerate size and begin to hiss defensively.