| Family: |
Plesiopidae (Roundheads), subfamily: Acanthoclininae |
| Max. size: |
2.26 cm SL (male/unsexed) |
| Environment: |
demersal; marine; 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 (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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