Microcambeva Ribeirae
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''Microcambeva'' is a genus of catfishes (
order Order, ORDER or Orders may refer to: * Categorization, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of d ...
Siluriformes) of the family Trichomycteridae.


Species

There are currently nine recognized species in this genus: * ''
Microcambeva barbata ''Microcambeva'' is a genus of catfishes (order Siluriformes) of the family Trichomycteridae. Species There are currently nine recognized species in this genus: * '' Microcambeva barbata'' *'' Microcambeva bendego'' * '' Microcambeva draco'' ...
'' *''
Microcambeva bendego ''Microcambeva'' is a genus of catfishes (order Siluriformes) of the family Trichomycteridae. Species There are currently nine recognized species in this genus: * ''Microcambeva barbata'' *'' Microcambeva bendego'' * '' Microcambeva draco'' ...
'' * ''
Microcambeva draco ''Microcambeva'' is a genus of catfishes (order Siluriformes) of the family Trichomycteridae. Species There are currently nine recognized species in this genus: * ''Microcambeva barbata'' *''Microcambeva bendego'' * '' Microcambeva draco'' * ...
'' * ''
Microcambeva filamentosa ''Microcambeva'' is a genus of catfishes (order Siluriformes) of the family Trichomycteridae. Species There are currently nine recognized species in this genus: * ''Microcambeva barbata'' *'' Microcambeva bendego'' * '' Microcambeva draco'' ...
'' * ''
Microcambeva jucuensis ''Microcambeva'' is a genus of catfishes (order (biology), order Siluriformes) of the family (biology), family Trichomycteridae. Species There are currently nine recognized species in this genus: * ''Microcambeva barbata'' *''Microcambeva bende ...
'' * ''
Microcambeva mucuriensis ''Microcambeva'' is a genus of catfishes (order Siluriformes) of the family Trichomycteridae. Species There are currently nine recognized species in this genus: * ''Microcambeva barbata'' *''Microcambeva bendego'' * ''Microcambeva draco'' ...
'' * '' Microcambeva ribeirae'' * ''
Microcambeva triguttata ''Microcambeva'' is a genus of catfishes (order Siluriformes) of the family Trichomycteridae. Species There are currently nine recognized species in this genus: * ''Microcambeva barbata'' *''Microcambeva bendego'' * ''Microcambeva draco'' ...
'' * '' Microcambeva watu''


Distribution

''Microcambeva'' is thought to be widespread along coastal basins of southern, southeastern, and eastern Brazil. ''M. barbata'' originates from Atlantic coastal drainages of Rio de Janeiro and Espírito Santo states in Brazil. ''M. ribeirae'' originates from the
Ribeira do Iguape River Ribeira, Portuguese and Galician for ''stream'' or ''riverside'', may refer to the following places: Brazil *Ribeira, São Paulo, a city in the state of São Paulo, Brazil *Ribeira, Rio de Janeiro, a neighborhood in the municipality of Rio de ...
basin of southeastern Brazil. Two undescribed species of ''Microcambeva'' are known from the
Doce River The Doce River (literally the "sweet river"; pt, Rio Doce ) is a river in southeast Brazil with a length of . The river basin is economically important. In 2015 the collapse of a dam released highly contaminated water from mining into the river ...
basin in Minas Gerais state and
Jucuruçu River The Jucurucu River is a river of Bahia and Minas Gerais states in eastern Brazil. See also *List of rivers of Bahia *List of rivers of Minas Gerais A ''list'' is any set of items in a row. List or lists may also refer to: People * List (su ...
in Bahia state.


Description

The two currently described species of ''Microcambeva'' have similar general morphology. ''M. ribeirae'' has a maximum recorded length of 4.8  centimetres (1.9  in) SL. ''M. ribeirae'' is distinguished from ''M. barbata'' by a series of morphological features, including the extent of the nasal barbels (to the nostril instead of the eye), the position of the eye (posterior half of head instead of on central portion), the first pectoral fin ray being shorter than the posterior ones (instead of the first ray being elongate and forming a prominent filament), the anal fin origin behind the vertical through the base of the last dorsal fin rays (instead of at this vertical), and others.


Habitat

''M. ribeirae'' has been found in clear, shallow streams (about 60 cm or 24 in deep) with a gray, sandy bottom in which the specimens were found entirely buried except for snout and barbels.


References

Trichomycteridae Fish of Brazil Freshwater fish genera Catfish genera {{Trichomycteridae-stub