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Home » Crocodilian Species List: Alligators, Crocodiles and more

Crocodilian Species List: Alligators, Crocodiles and more

Crocodilia is an order of large reptiles which includes three families of Crocodylidae (crocodiles), Alligatoridae (alligators and caimans), and Gavialidae (gharials and false gharials). Below, a list of all crocodilians species divided by family:

American Alligator

American alligator

Alligator mississippiensis

Native range: Southeastern United States

Size: up to 450 kg (1,000 lb)

Habitat: Wetlands (inland), intertidal marine, and coastal marine


Chinese Alligator

Chinese alligator

Alligator sinensis

Native range: Eastern China

Size: up to 45 kg (100 lb)

Habitat: Inland wetlands


Spectacled Caiman

Spectacled caiman

Caiman crocodilus

Native range: Northern South America and Central America

Size: up to 58 kg (128 lb)

Habitat: Forest, savanna, shrubland, grassland, and inland wetlands


Broad-snouted Caiman

Broad-snouted caiman

Caiman latirostris

Native range: Southeastern South America

Size: up to 62 kg (137 lb)

Habitat: Inland wetlands and intertidal marine


Yacare Caiman

Yacare caiman

Caiman yacare

Native range: Central and southern South America

Size: up to 58 kg (128 lb)

Habitat: Inland wetlands


Black Caiman

Black caiman

Melanosuchus niger

Native range: Northern South America

Size: up to 680 kg (1,500 lb)

Habitat: Inland wetlands


Cuvier's Dwarf Caiman

Cuvier’s dwarf caiman

Paleosuchus palpebrosus

Native range: Northern and central South America

Size: typically 6–7 kg (13–15 lb)

Habitat: Inland wetlands


Smooth-fronted Caiman

Smooth-fronted caiman

Paleosuchus trigonatus

Native range: Northern South America

Size: typically 9–20 kg (20–44 lb)

Habitat: Forest and inland wetlands


American crocodile

American crocodile

Crocodylus acutus

Native range: Northern South America, Central America, Greater Antilles

Size: up to 907 kg (2,000 lb)

Habitat: Forest, neritic marine, intertidal marine, and coastal marine


Orinoco crocodile

Orinoco crocodile

Crocodylus intermedius

Native range: Northern South America

Size: up to 1,000 kg (2,200 lb)

Habitat: Forest, savanna, and inland wetlands


Freshwater crocodile

Freshwater crocodile

Crocodylus johnstoni

Native range: Northern Australia

Size: up to 100 kg (220 lb)

Habitat: Inland wetlands


Philippine crocodile

Philippine crocodile

Crocodylus mindorensis

Native range: Philippines

Size: up to 190 kg (420 lb)

Habitat: Inland wetlands


Morelet's crocodile

Morelet’s crocodile

Crocodylus moreletii

Native range: Eastern Mexico

Size: up to 136 kg (300 lb)

Habitat: Inland wetlands


Nile crocodile

Nile crocodile

Crocodylus niloticus

Native range: Sub-Saharan Africa

Size: up to 1,089 kg (2,400 lb)

Habitat: Inland wetlands, neritic marine, intertidal marine, and coastal marine


New Guinea crocodile

New Guinea crocodile

Crocodylus novaeguineae

Native range: New Guinea

Size: No data

Habitat: Inland wetlands


Mugger crocodile

Mugger crocodile

Crocodylus palustris

Native range: Southern Asia

Size: up to 450 kg (1,000 lb)

Habitat: Inland wetlands and neritic marine


Saltwater crocodile

Saltwater crocodile

Crocodylus porosus

Native range: South and Southeast Asia, northern Australia and Oceania

Size: up to 1,360 kg (3,000 lb)

Habitat: No data


Cuban crocodile

Cuban crocodile

Crocodylus rhombifer

Native range: Cuba

Size: up to 215 kg (474 lb)

Habitat: Inland wetlands


Siamese crocodile

Siamese crocodile

Crocodylus siamensis

Native range: Southeast Asia

Size: up to 350 kg (770 lb)

Habitat: Inland wetlands


West African slender-snouted crocodile

West African slender-snouted crocodile

Mecistops cataphractus

Native range: Western Africa

Size: up to 325 kg (717 lb)

Habitat: Forest, savanna, inland wetlands, neritic marine, and coastal marine


Dwarf Crocodile

Dwarf crocodile

Osteolaemus tetraspis

Native range: Western Africa

Size: No data

Habitat: No data


Gharial

Gharial

Gavialis gangeticus

Native range: Scattered south Asia

Size: up to 820 kg (1,800 lb)

Habitat: Wetlands (inland)


False Gharial

False gharial

Tomistoma schlegelii

Native range: Southeast Asia

Size: up to 450 kg (1,000 lb)

Habitat: Forest and inland wetlands


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