Conservation Status

Status of crocodile populations

Population estimates and conservation status of the world’s crocodiles, alligators, caimans and the related gharials are given in the tables below.

Hunting and Exploitation

The 23 living species are:

 

SpeciesScientific nameIUCN Red List conservation status
American crocodileCrocodylus acutusVulnerable
Orinoco crocodileCrocodylus intermediusCritically Endangered
Freshwater crocodileCrocodylus johnsoniLower Risk/least concern
Philippine crocodileCrocodylus mindorensisCritically Endangered
Morelet’s crocodile or Mexican crocodileCrocodylus moreletiiLeast Concern
Nile crocodile or African crocodileCrocodylus niloticusLower Risk/least concern
New Guinea crocodileCrocodylus novaeguineaeLower Risk/least concern
Mugger crocodile, marsh crocodile, or Indian crocodileCrocodylus palustrisVulnerable
Saltwater crocodile or estuarine crocodileCrocodylus porosusLower Risk/least concern
Dwarf crocodileOsteolaemus tetraspisVulnerable
Cuban crocodileCrocodylus rhombiferCritically Endangered
Siamese crocodileCrocodylus siamensisCritically Endangered
Slender-snouted crocodileMecistops cataphractusCritically Endangered
American alligatorAlligator mississippiensisLower Risk/least concern
Chinese alligatorAlligator sinensisCritically Endangered
Spectacled caimanCaiman crocodilusLower Risk/Least Concern
Broad-snouted caimanCaiman latirostrisLower Risk/Least Concern
Yacaré caimanCaiman yacareLower Risk/Least Concern
Black caimanMelanosuchus nigerLower Risk/conservation Dependent
Cuvier’s dwarf caimanPaleosuchus palpebrosusLower Risk/Least Concern
Schneider’s dwarf caiman or smooth-fronted caimanPaleosuchus trigonatusLower Risk/Least Concern
False gharialTomistoma schlegeliiVulnerable
GharialGavialis gangeticusCritically Endangered

Population Estimates

SpeciesScientific nameEstimated population in the wild
American crocodileCrocodylus acutus10,000 to 20,000
Orinoco crocodileCrocodylus intermedius250 to 1,500
Freshwater crocodileCrocodylus johnsoni50,000 to 100,000
Philippine crocodileCrocodylus mindorensisLess than 200
Morelet’s crocodile or Mexican crocodileCrocodylus moreletii10,000 to 20,000
Nile crocodile or African crocodileCrocodylus niloticus250,000 to 500,000
New Guinea crocodileCrocodylus novaeguineae50,000 to 100,000
Mugger crocodile, marsh crocodile, or Indian crocodileCrocodylus palustris5,000 to 10,000
Saltwater crocodile or estuarine crocodileCrocodylus porosus200,000 to 300,000
Dwarf crocodileOsteolaemus tetraspis25,000 to 100,000
Cuban crocodileCrocodylus rhombifer3,000 to 6,000
Siamese crocodileCrocodylus siamensisLess than 5,000
Slender-snouted crocodileMecistops cataphractusCritically Endangered
American alligatorAlligator mississippiensisMore than 1,000,000
Chinese alligatorAlligator sinensisLess than 200
Spectacled caimanCaiman crocodilusMore than 1,000,000
Broad-snouted caimanCaiman latirostris250,000 to 500,000
Yacaré caimanCaiman yacare100,000 to 200,000
Black caimanMelanosuchus nigerLess than 1,000,000
Cuvier’s dwarf caimanPaleosuchus palpebrosusMore than 1,000,000
Schneider’s dwarf caiman or smooth-fronted caimanPaleosuchus trigonatus500,000 to 1,000,000
False gharialTomistoma schlegeliiLess than 2,500
GharialGavialis gangeticusLess than 200

References

IUCN Red List (February, 2014) http://www.iucnredlist.org

FLMNH – Crocodile Species List (February, 2014) http://www.flmnh.ufl.edu/cnhc/

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