Chasmocranus longior Eigenmann, 1912
Chasmocranus longior
photo by Sabaj PĂ©rez, M.H.

Family:  Heptapteridae (Three-barbeled catfishes)
Max. size:  17 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Coastal drainages from Guyana to Suriname, Negro, Orinoco and Xingu River basins.
Diagnosis:   
Biology:  Captured in creeks with rocky bottoms and in areas where the water changes level (Ref. 27188). Lies hidden under rocks and Podostemaceae. Its color pattern, like that of the other Heptapterus, provides perfect camouflage. The species which occur more frequently with it are: Imparfinis minutus, Moenkhausia oligolepis, Pyrrhulina filamentosa, Characidium fasciadorsale [= Characidium zebra] and Crenicichla albopunctata (Ref. 35381).
IUCN Red List Status: Least Concern (LC); Date assessed: 21 August 2020 Ref. (130435)
Threat to humans:  harmless


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