First report of armored catfishes Callichthyinae Bonaparte, 1838 (Siluriformes: Callichthyidae) in the subterranean domain of northern and northeastern Brazil
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Abstract
The first occurrence of the armored catfishes of the subfamily Callichthynae is reported
in subterranean water bodies of northern and northeastern Brazil. The records include
3 species, each occurring in 1 of the 3 caves in the central and northeastern regions
of Brazil: Callichthys callichthys from Casa do Caboclo cave, Sergipe state; Hoplosternum
littorale from the Gruna da Lagoa do Meio, Bahia state; and Megalechis thoracata,
from Casa de Pedra cave, Tocantins state.