Copella aff. arnoldi (Regan, 1912)
FIRST RECORD FOR THE MITARAKA. — This study.
OCCURENCES. — S12.
SPECIMEN IN COLLECTION. — None.
DISTRIBUTION IN FRENCH GUIANA. — Only known from a few localities in the Maroni and the Comté drainages in French Guiana. This unnamed species is referred as Copella aff. arnoldi in Le Bail et al. (2012).
ECOLOGY. — This rare species was only observed in a side arm channel of a rapid area of the Alama River. It was found in small rocky pools with low current velocity. Captured using rotenone.
SPECIES CODE. — CARN.