Plectranthias normanby Fricke, 2021
Four-eyes perchlet

Family:  Anthiadidae (Fairy basslets or Streamer basses)
Max. size:  2.71 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 175 - 480 m
Distribution:  Western Pacific: Papua New Guinea.
Diagnosis:  Dorsal spines (total): 12-12; Dorsal soft rays (total): 13-13; Anal spines: 3-3; Anal soft rays: 7-7. This species is distinguished by the following characters: D XII,13, no dorsal-fin rays filamentous, the fourth dorsal-fin spine the longest, the spine length 2.25-2.34 in head; A III, 7; pectoral-fin rays 13, none branched; branched caudal fin emarginate without filamentous rays; branched caudal-fin rays 13; anterior half of interorbital space scalelesss; gill rakers 7 + 10-11; posterior margin of preopercle with 11-19 serrae, lower margin with 2 antrorse spines; lateral line incomplete, 17 tubed scales; scales above lateral line to origin of dorsal fin 3½; scales below lateral line to origin of anal fin 9; circumpeduncular scales 14; cheek with about 5 diagonal rows of large scales; sides of body with a large, round black blotch, caudal peduncle with two dark brown spots (Ref. 125645).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.