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Benthalbella dentata  (Chapman, 1939)

Northern pearleye
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Benthalbella dentata   AquaMaps   Data sources: GBIF OBIS
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Image of Benthalbella dentata (Northern pearleye)
Benthalbella dentata
Picture by Van Noord, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > 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 / Climate / Range Ecology

Marine; bathypelagic; depth range 98 - 3400 m (Ref. 50550), usually 500 - 1000 m (Ref. 2850).   Deep-water, preferred ?; 58°N - 14°N, 153°E - 110°W

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northeast Pacific: Gulf of Alaska to Baja California, Mexico. Northwest Pacific: Japan and the Sea of Okhotsk.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 26.2 cm TL male/unsexed; (Ref. 80637)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 6-8; Anal spines: 0; Anal soft rays: 17 - 21; Vertebrae: 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).

Biology     Glossary (e.g. epibenthic)

Synchronous hermaphrodites (Ref. 35929). Oviparous, with planktonic larvae (Ref. 35929).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous (Ref. 35929).

Main reference Upload your references | References | Coordinator | Collaborators

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. 115185)

  Not Evaluated 

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search) | FisheriesWiki | Sea Around Us

More information

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Summary page | Point data | Common names | Photos

Internet sources

BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishes of Iran | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5313   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00141 - 0.00851), b=3.15 (2.93 - 3.37), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  4.5   ±0.80 se; Based on food items.
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (15 of 100) .