Melanorivulus crixas (Costa, 2007)

Family:  Rivulidae (Rivulines), subfamily: Rivulinae
Max. size:  2.73 cm SL (male/unsexed); 2.63 cm SL (female)
Environment:  benthopelagic; freshwater; depth range 0 - 1 m
Distribution:  South America: Crixás Açu River drainage of the Araguaia River basin in Brazil.
Diagnosis:   
Biology:  Collected from the shallowest parts of a small stream, about 10-20 cm deep, where the larger specimens are found in places with more dense aquatic vegetation and juveniles in places more exposed to sunlight. It is a typical stream of central Brazil, locally known as Vereda or Buritizal (i.e. streams dominated by the buriti-palm Mauritia flexuosa L.), with orange clay bottom, in open vegetation of the Brazilian Cerrado and water was clear, with pH 5.3 (Ref. 59346).
IUCN Red List Status: Vulnerable (VU); Date assessed: 07 November 2018 (D2) Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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