Aioliops megastigma Rennis & Hoese, 1987
Bigspot minidartfish
Aioliops megastigma
photo by Tibbatts, B.

Family:  Microdesmidae (Wormfishes), subfamily: Ptereleotrinae
Max. size:  3 cm SL (male/unsexed)
Environment:  reef-associated; marine; depth range 2 - 10 m
Distribution:  Western Central Pacific.
Diagnosis:  Dorsal spines (total): 6-7; Dorsal soft rays (total): 9-10; Anal spines: 1-1; Anal soft rays: 9-11. Description: Characterized by having yellow snout and top of head; semi-translucent greyish on back; lower side pinkish except bluish or white abdominal region; presence of bold black stripe from above eye to upper caudal fin base; middle of caudal fin with large black spot; scaled body; three preopercular pores; gill membrane attached below posterior preopercular margin; caudal peduncle 24% of SL (Ref. 90102).
Biology:  Inhabits silty and sheltered reefs in a few meters depth. Swims in small groups near corals (Ref. 48637). Also found in lagoon reefs in 2-10 m (Ref. 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 05 May 2022 Ref. (130435)
Threat to humans:  harmless


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