Mark Carwardine / Dwarf caiman (Paleosuchus palpebrosus) juvenile, close-up of eye, captive, from South America

Pete Oxford / Dwarf caiman {Oakeisycgys oakoevrisys} reflected in water. Amazonian Ecuador

Ernie Janes / Cuvier's dwarf caiman (Paleosuchus palpebrosus) captive. Occurs in South America.

Ernie Janes / Cuvier's dwarf caiman (Paleosuchus palpebrosus) captive. Occurs in South America.

Paul Bertner / Cuvier's Dwarf Caiman (Paleosuchus palpebrosus), Tambopata Research Center, Peru

Franco Banfi / Cuvier's dwarf caiman (Paleosuchus palpebrosus) Formoso River, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Cuvier's dwarf caiman (Paleosuchus palpebrosus) underwater, Formoso River, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Cuvier's Dwarf Caiman or Musky Caiman, (Paleosuchus palpebrosus) underwater, Formoso River, Bonito, Mato Grosso do Sul, Brazil

Franco Banfi / Cuvier's dwarf caiman (Paleosuchus palpebrosus) underwater, Formoso River, Bonito, Mato Grosso do Sul, Brazil

Lucas Bustamante / Smooth fronted caiman / Crowned dwarf caiman (Paleosuchus trigonatus) baby resting on log, Tambopata, Madre de Dios, Peru.

Lucas Bustamante / Crowned dwarf / Smooth-fronted caiman (Paleosuchus trigonatus) with mouth open, Cuyabeno, Sucumbios, Ecuador.