Guyanancistrus megastictus Fisch-Muller, Mol & Covain, 2018

(Fig. 18)

FIRST RECORD FOR THE MITARAKA. — Fisch-Muller et al. 2018.

OCCURENCES. — S1, S3, S11, S12.

SPECIMENS IN COLLECTION. — 4 MNHN (MNHN-IC-2018-0477, MNHN-IC-2018-0478, MNHN-IC-2018-0479, MNHN-

IC-2018 -0480); 3 Hydreco.

DISTRIBUTION IN FRENCH GUIANA. — Restricted to the Mitaraka Mountains.

ECOLOGY. — Found in both Alama mainstream and tributaries. Species living mainly on rocks but also found on flooded woods. Captured using rotenone and observed in underwater inventories.

SPECIES CODE. — GMEG.