Himantolophus sagamius (Tanaka, 1918)
Pacific footballfish
Himantolophus sagamius
photo by William B. Ludt / Natural History Museums of L.A. County

Family:  Himantolophidae (Footballfishes)
Max. size:  20 cm SL (male/unsexed)
Environment:  bathypelagic; marine; depth range 613 - 1200 m
Distribution:  Pacific: Kuril-Kamchatka trough, coast of the Hokkaido and Honshu islands (Gulf of Sagami), and from California to Peru..
Diagnosis:  Dorsal soft rays (total): 5-5; Anal soft rays: 4-4. Distinguishing characteristics of adult female: length of anterior escal appendage 11-38% SL; distal escal appendage 6.2-11% SL; blunt distal lobes of esca; posterior escal appendage 12-41% SL, simple or with bifid tip; posterolateral appendages 2-4 pairs, situated on and below base of escal bulb, length of distal and longest pair 30-45% SL (Ref. 86949).
Biology:  Meso- and bathypelagic (Ref. 58302).
IUCN Red List Status: Least Concern (LC); Date assessed: 11 October 2018 Ref. (130435)
Threat to humans:  harmless
Country info:  Type locality: Sagami Sea.


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