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Argentiniformes (Marine smelts) >
Bathylagidae (Deep-sea smelts)
Etymology: Bathylagus: Greek, bathys = deep + Greek, lagos = hare (Ref. 45335); pacificus: Named after the Pacific Ocean (Ref. 6885).
More on author: Gilbert.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser bathypelagisch; tiefenbereich 600 - 7700 m (Ref. 50610), usually 600 - 800 m (Ref. 28981). Deep-water; 61°N - 27°N, 140°E - 114°W
Pacific: off the Pacific coast of northern Japan and the Bering Sea to the Gulf of Alaska southward to northern Baja California, Mexico.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 25.0 cm SL Männchen/unbestimmt; (Ref. 4525)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 8 - 13; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 15 - 25; Wirbelzahl: 44 - 51. Body slender and compressed. Anal fin base long and about twice the length of dorsal fin base. Eye diameter about twice snout length. Upper end of gill slit reaching above midline of side of body. No knob-like process in interorbital space. Dorsoposterior edge of operculum not curved inward. Traces of detached scales black. Color black or dark brown; bluish black on head and ventral surfaces, and on peritoneum (Ref. 6885).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Does not undertake a diurnal, vertical migration. Feeds heavily on crustaceans (Ref. 4525). Oviparous, with planktonic eggs and larvae (Ref. 35604). Minimum cdepth from Ref. 028981.
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
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Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 0.4 - 5.2, mean 3.2 °C (based on 91 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00776 (0.00462 - 0.01304), b=3.07 (2.92 - 3.22), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.3 ±0.42 se; based on food items.
Generation time: 7.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.14 (very tentative estimate)).
Anfälligkeit der Fischerei (Ref.
59153): Moderate to high vulnerability (52 of 100).
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Nährstoffe (Ref.
124155): Calcium = 29.9 [10.3, 96.3] mg/100g; Iron = 0.365 [0.142, 1.282] mg/100g; Protein = 13.7 [10.4, 17.9] %; Omega3 = 0.395 [0.118, 1.350] g/100g; Selenium = 21 [7, 55] μg/100g; VitaminA = 38 [5, 303] μg/100g; Zinc = 0.672 [0.358, 1.397] mg/100g (wet weight);
