>
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).
Eponymy: John C Macoun (1831–1920) was a self-taught botanist who emigrated from Northern ireland to Canada (1850). [...] (Ref. 128868), visit book page.
More on author: Bean.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathypélagique; océanodrome (Ref. 138310); profondeur 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.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 29.3 cm TL mâle / non sexé; (Ref. 80637); poids max. publié: 23.35 g (Ref. 4525); âge max. reporté: 8 années (Ref. 28499)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 5 - 7; Épines anales: 0; Rayons mous anaux: 9 - 14; Vertèbres: 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).
Body shape (shape guide): elongated.
Migrate upward at night (Ref. 28499). Adults feed on small planktonic crustaceans, arrow worms and fish (Ref. 28499). Photophores occur on belly arranged in a row (Ref. 2850). Oviparous, with planktonic eggs and larvae (Ref. 35898). Also caught with bottom trawls.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: pêcheries vivrières
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00204 (0.00118 - 0.00353), b=3.16 (3.00 - 3.32), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Niveau trophique (Réf. 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. |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.35; tmax=8). |
Vulnérabilité de la pêche (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
|