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Melanosuchus niger (SPIX, 1825)

IUCN Red List - Melanosuchus niger - Least Concern, LR
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Higher TaxaAlligatoridae, Crocodylia, crocodiles (alligators)
Subspecies 
Common NamesE: Black caiman
Local names: Jacaré açu, Jacaré uassu, Jacaré assu, Jacaré guaçu, Caimán, Caimán negro, Jacaré jhu, Jacaré negro, Jacaré una, Cocodrilo.
G: Mohrenkaiman
Portuguese: Jacaré-Açú, Jacaré-Preto 
SynonymCaiman niger SPIX 1825: 3
Melanosuchus niger — KING & BURKE 1989
Caiman niger — POE 1996
Melanosuchus niger — ZUG et al. 2001: 462
Melanosuchus niger — MORATO et al. 2014: 146 
DistributionBolivia, Brazil (Amazonas, Pará), Colombia, Ecuador, French Guiana, Guyana, Peru

Type locality: "Fluminis Amazonium et Solimoens", Brazil.  
Reproductionoviparous. 
TypesLectotype: ZSM 2480,0 designated by Hoogmoed and Gruber 1983: 380; paralectotypes: ZSM 3,0 (now lost), 2480,0 and 3039,0. 
Diagnosis 
CommentDistribution: Erroneously reported from Paraguay (fide Scott et al. 1990). Not in Venezuela (KOK et al. 2012).

Type species: Caiman niger SPIX 1825: 3 is the type species of the genus Melanosuchus GRAY 1862: 328. 
EtymologyNamed after Latin niger, nigra, nigrum = black.

the genus was named after Greek melas (genitive melanos) = blacka and soukhos, the name for the crocodile in one part of Egypt (Gotch 1986). 
References
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  • Da Silveira, Ronis; Zilca Campos, John Thorbjarnarson and Wiliam E. Magnusson. 2013. Growth rates of Black Caiman (Melanosuchus niger) and Spectacled Caiman (Caiman crocodilus) fron two different Amazonian flooded habitats. Amphibia-Reptilia 34 (4): 437-449 - get paper here
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