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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).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
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 2025-2 (Global))
Gevaar voor de mens
Harmless
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00141 - 0.00855), 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. |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |