Revision of the peristediid genus Satyrichthys (Actinopterygii: Teleostei) with the description of a new species, S. milleri sp. nov. Author Kawai, Toshio text Zootaxa 2013 3635 4 419 438 journal article 10.11646/zootaxa.3635.4.5 dfa87fc4-80b6-4a03-9039-cd757aeee34f 1175-5326 283551 CEB61FC1-DF5A-44C3-9241-89B9127311FC Key to the species of Satyrichthys 1 Number of lip barbels 2 (rarely 1)......................................................................... 2 - Number of lip barbels 3 or 4 (rarely 5).................................................................... 4 2 Longest (filamentous) barbel relatively short (6.8 % SL); number of chin barbels 1......................... S. longiceps - Longest (filamentous) barbel relatively long (12.0–23.1 % SL); number of chin barbels 0 or 2 (rarely 1)................. 3 3 Dusky small spots along the base of dorsal fin; number of chin barbels 0 (rarely 1)......................... S. clavilapis - Dusky small spots scattered on head, body and dorsal fin; number of chin barbels 2 (rarely 1)................... S. rieffeli 4 Antrose spines absent on upper lateral row of posterior bony plates ( Fig. 2 A); equilateral-triangular rostral projection.............................................................................................. S. milleri sp. nov. - Antrose spines present on upper lateral row of posterior bony plates ( Fig. 2 B); stick-like rostral projection............... 5 5 Parietal bones unequal in size on midline (left side bone either shorter than or longer than that of right side: Fig. 3 A).................................................................................................... S. laticeps - Parietal bones of each side equal in size on midline ( Fig. 3 B)................................................... 6 6 No spots on dorsal fin; number of lip barbels 3 and chin 0 (rarely 2).................................. S. moluccensis - Many spots on spinous dorsal fin; number of lip barbels 4 and chin 3....................................... S. welchi