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 .
Physical description for Melanorivulus Crixas is currently being compiled.
Behavioural data for Melanorivulus Crixas is currently being reviewed.
Freshwater; benthopelagic; depth range 0 - 1 m . Tropical South America: Crixás Açu River drainage of the Araguaia River basin in Brazil.
The following diseases are known to affect Melanorivulus Crixas.
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