Ectreposebastes imus Garman, 1899
Midwater scorpionfish
photo by Bañón Díaz, R.

Family:  Setarchidae (Deep-sea bristly scorpionfishes)
Max. size:  18 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range 150 - 2000 m
Distribution:  Atlantic, Indian and Pacific: in tropical and temperate waters. Eastern Atlantic: tropical western Africa. Western Atlantic: Canada (Ref. 5951) to Gulf of Mexico to Suriname.
Diagnosis:  Dorsal spines (total): 11-12; Dorsal soft rays (total): 9-11; Anal spines: 3-3; Anal soft rays: 5-7. Swim bladder lacking or rudimentary; bones poorly ossified; spine weak and usually broken during capture; scales thin and deciduous, and white body musculature soft and flabby (Ref. 11015). Lateral line more or less a continuous trough covered by thin membranous scales, usually lost during capture (Ref. 10482). Body is black in small specimens; maroon and black in adults (Ref. 11015). Buccal cavity black with patches of bright orange and red in life; pharyngeal teeth red or orange (Ref. 11015).
Biology:  Among all scorpionfishes, it is structurally best adapted for mid-water existence (Ref. 11015). Benthopelagic (Ref. 58302). Feeds mainly on crustaceans, amphipods and sergestid shrimps (Ref. 28023). Anterolateral glandular grooves with venom gland at least in anal-fin spines (Ref. 57406).
IUCN Red List Status: Least Concern (LC); Date assessed: 15 July 2013 Ref. (130435)
Threat to humans:  venomous


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