Oneirodes acanthias (Gilbert, 1915)
Spiny dreamer

Family:  Oneirodidae (Dreamers)
Max. size:  20 cm TL (male/unsexed); max.weight: 370.0 g
Environment:  bathypelagic; marine; depth range 0 - 1750 m
Distribution:  Eastern Pacific: Gulf of Alaska (Ref. 6876), off continental USA and Mexico.
Diagnosis:  Dorsal soft rays (total): 5-7; Anal soft rays: 4-4. Characterized by having escal morphology: posterior escal appendage always branched; ratio between lengths of the dorsal and ventral forks of opercle 0.53-0.71; subopercle without indentation on posterodorsal margin; absence of epibranchial teeth; presence of teeth on pharyngobranchial II; upper jaw teeth 20-55, lower jaw teeth 24-51; teeth on vomer 4-8; dorsal fin rays 5-7; anal fin rays 4; pectoral fin rays 15-18; head length 34.2-44.5% SL; head depth 35.2-53.6% SL; premaxilla length 27.3-33-9% SL; length of lower jaw 38.6-51.8% SL; length of illicium 18.6-28.6% SL (Ref. 86949).
Biology:  Feeds heavily on crustaceans (Ref. 4525). Males are not parasitic on females (Ref. 6885).
IUCN Red List Status: Least Concern (LC); Date assessed: 04 February 2009 Ref. (130435)
Threat to humans:  harmless


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