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Aulopiformes (Grinners) >
Scopelarchidae (Pearleyes)
Etymology: Benthalbella: A possible interpretation is related to Greek, benthos = the deep sea + Latin, albus = white; but it is need more information; dentata: dentatus meaning toothed - referring to the unusual arrangement of prominent teeth (Ref. 6885).
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien bathypelagisch; diepte 98 - 3400 m (Ref. 50550), usually 500 - 1000 m (Ref. 2850). Deep-water; 58°N - 14°N, 153°E - 110°W
Northeast Pacific: Gulf of Alaska to Baja California, Mexico. Northwest Pacific: Japan and the Sea of Okhotsk.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 26.2 cm TL mannelijk / geslacht onbekend; (Ref. 80637)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 6 - 8; Anale stekels: 0; Anale zachte stralen: 17 - 21; Wervels: 54 - 55. Adipose very slender; pectorals small; pelvic fins large and expanded (Ref. 6885). Brown dorsally, lighter below (Ref. 6885). Brown dorsally, lighter below (Ref. 6885). Branchiostegal rays: 8 (Ref. 35929).
Body shape (shape guide): elongated.
Synchronous hermaphrodites (Ref. 35929). Oviparous, with planktonic larvae (Ref. 35929).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
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Estimates based on models
Preferred temperature (Ref.
123201): 2.2 - 5.3, mean 3.3 °C (based on 86 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00143 - 0.00840), b=3.16 (2.94 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.5 ±0.80 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (16 of 100).
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