Chasmocranus longior Eigenmann, 1912

FIRST RECORD FOR THE MITARAKA. — This study.

OCCURENCES. — S9, S12.

DISTRIBUTION IN FRENCH GUIANA. — Widespread.

SPECIMENS IN COLLECTION. — 6 MNHN (MNHN-IC-2018-0484, MNHN-IC-2018-0485, MNHN-IC-2018-0486, MNHN- IC-2018 -0487, MNHN-IC-2018-0488, MNHN-IC-2018-0489);

5 Hydreco.

ECOLOGY. — Observed in the Alama mainstream and in a large tributary, in a large range of local habitats. Nocturnal species that hides during the day. Captured using rotenone.

SPECIES CODE. — CLON.