Acanthoplesiops psilogaster Hardy, 1985
Barebelly longfin
Acanthoplesiops psilogaster
photo by The Fish Database of Taiwan

 Family:  Plesiopidae (Roundheads), subfamily: Acanthoclininae
 Max. size:  2.26 cm SL (male/unsexed)
 Environment:  demersal; depth range 5 - 20 m
 Distribution:  Western Pacific: known only from southern Japan, Taiwan, and Philippines.
 Diagnosis:  Dorsal spines (total): 19-20; Dorsal soft rays (total): 4-5; Anal spines: 7-8; Anal soft rays: 4-5. Acanthoplesiops species with the following autapomorphic character states: 1) anterior two thirds of belly naked and 2) first two (instead of only the 1st) pterygiophores of dorsal-fin spines inserted between 2nd and 3rd neural spines. Description: Characterized by dark brown to blackish color, including median and pelvic fins; orange to yellow tips/outer margin of dorsal, anal, caudal and pelvic fins; vertebrae 13-14+14; tubed lateral line scales 5-10; sensory pores on dentary 3; without scales on belly; no papillae on head; depth of body at origin of dorsal fin 4.1-4.3 in SL (Ref. 90102).
 Biology:  Cryptic and rarely seen (Ref. 90102). Eggs are guarded by the male parent (Ref. 205).
 IUCN Red List Status: Not Evaluated  (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Garilao, Cristina V. - 26.03.02
 Modified by: Valdestamon, Roxanne Rei - 22.07.13

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