Family: |
Oneirodidae (Dreamers) |
Max. size: |
23 cm TL (male/unsexed); max.weight: 450.0 g |
Environment: |
bathypelagic; marine; depth range 200 - 2000 m |
Distribution: |
North Pacific: Okhotsk and Bering seas and off British Columbia, Canada (Ref. 11980). |
Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 6-7; Anal spines: 0-0; Anal soft rays: 4-4; Vertebrae: 19-19. Escal bulb bearing an anterior appendage with numerous long filaments at its distal end, a pair of medial appendages with highly branched filaments, a short round papilla and posterior appendages with 2 short filaments (Ref. 559).
Characterized by having similar characteristics like that of O.eschrichtii and O.anisacanthus; posterior margin of the upper part of subopercle is indented to deeply notched; length of ventral fork of opercle 28.6-35% SL; ratio of lengths of dorsal and ventral forks of opercle 0.55-0.60; absence of epibranchial teeth; presence of teeth on pharyngobranchial II; upper jaw teeth 23-39; lower jaw teeth 24-40; teeth on vomer 4-8; dorsal fin rays 6-7; anal fin rays 4; pectoral fin rays 15-18; head length 37.6-49.1% SL; head depth 39.1-50.8% SL; length of premaxilla 29.1-38.6% SL; lower jaw length 44.1-56.1% SL; illicial length 23.1-38.6% SL (Ref. 86949). |
Biology: |
|
IUCN Red List Status: |
Least Concern (LC); Date assessed: 11 October 2018 Ref. (130435)
|
Threat to humans: |
harmless |
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