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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Chauliodontinae
Etymology: Chauliodus: Greek, chaulios, chaulos, chaunos = to be with the mouth opened + Greek, odous = teeth (Ref. 45335); macouni: Named after Prof. J.C. Macoun, Geological Survey of Canada, a resolute pioneer of western Canada (Ref. 6885).
More on author: Bean.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Tầng nổi biển sâu; Mức độ sâu 25 - 4390 m (Ref. 5610). Deep-water; 66°N - 23°N, 127°E - 106°W
Northwest Pacific: Navarin Canyon in the Bering Sea to Japan. Eastern Pacific: Gulf of Alaska to central Baja California (Ref. 35898) and the Gulf of California.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 29.3 cm TL con đực/không giới tính; (Ref. 80637); Khối lượng cực đại được công bố: 23.35 g (Ref. 4525); Tuổi cực đại được báo cáo: 8 các năm (Ref. 28499)
Short description
Hình thái học | Sinh trắc học
Các tia vây lưng cứng (tổng cộng): 0; Các vây lưng mềm (tổng cộng): 5-7; Tia cứng vây hậu môn 0; Tia mềm vây hậu môn: 9 - 14; Động vật có xương sống: 56 - 62. First dorsal fin ray much produced in a long filament terminating in a minute flap; adipose fin large, placed well back over posterior part of anal, higher posteriorly; pelvic fins long and narrow (Ref. 6885). No true gill rakers (Ref. 6885). Dark brown to black in color (Ref. 6885). Branchiostegal rays: 16-21 (Ref. 35898).
Migrate upward at night (Ref. 28499). Feed on small planktonic crustaceans, arrow worms and fish (Ref. 28499). Has photophores on belly arranged in a row (Ref. 2850). Oviparous, with planktonic eggs and larvae (Ref. 35898). Also caught with bottom trawls.
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 0.2 - 3.8, mean 2.4 °C (based on 409 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00200 (0.00116 - 0.00344), b=3.16 (3.01 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 4.5 ±0.4 se; based on diet studies.
Generation time: 3.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (K=0.35; tmax=8).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (32 of 100).