Anarhichas orientalis

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Anarhichas orientalis
Bering wolffish (Anarhichas orientalis).jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Anarhichadidae
Genus: Anarhichas
Species:
A. orientalis
Binomial name
Anarhichas orientalis
Pallas, 1814
Synonyms [1]
  • Anarhichas lepturus Bean, 1879
  • Anarrichas fasciatus Bleeker, 1873

Anarhichas orientalis, the Bering wolffish, is a marine fish in the family Anarhichadidae, the "wolffish". [2]

Contents

Description

The Bering wolffish has an elongate and laterally compressed body, with a thin caudal peduncle. It has a steep snout, and, like other wolffish, has long, canine teeth that protrude out past the tips of the jaws. [3]

It can grow to 112 cm and 15 kg in weight, is dark brown in colour and lacks any distinct markings other than some slight blotching or palish marbling. [4] The head of juveniles may have multiple dark spots and four to five dark coloured longitudinal stripes on the upper body. [3]

The head length is approximately 19 to 21 percent of the total body length.

This species differs from the five other species in the genus in having at least 53 anal rays, 81 to 86 dorsal fin spines, and more rounded, deeper caudal fins. [3]

Distribution

The Bering wolffish species has an inconsistent distribution. It is found from the Northeastern Pacific Ocean from Hokkaido to the Sea of Okhotsk, to Alaska. Although insufficiently documented, it is also known to occur across the Northwestern Pacific, the Bering Sea and Arctic Ocean. [3]

Habitat

The Bering wolffish lives on rocky, gravel and sandy substrates, [4] and algae-encrusted bottoms in shallow, inshore locations. [3] The Bering wolffish resides in depths of 1-2 to 10-50 meters. [5]

Behaviour

Bering wolffishes are known to practice nesting habits. They produce very big eggs which hatch into larvae remaining in the pelagic zone. [3]

Diet

Benthic invertebrates such as crabs and molluscs. [3] [4]

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References

  1. Froese, Rainer; Pauly, Daniel (eds.) (2022). "Anarhichas orientalis" in FishBase. February 2022 version.
  2. "WoRMS - World Register of Marine Species - Anarhichas orientalis Pallas, 1814". Marinespecies.org. Retrieved 2016-04-22.
  3. 1 2 3 4 5 6 7 "Information archivée dans le Web | Information Archived on the Web" (PDF). Publications.gc.ca. Retrieved 2016-04-22.
  4. 1 2 3 "Bering Wolffish - Anarhichas orientalis". Polarlife.ca. Retrieved 2016-04-22.
  5. Shubin, A. O.; Faizulin, D. R.; Atamanova, I. A.; Baranchuk-Chervonnyi, L. N.; Gulyaev, V. V. (1 November 2014). "Bering wolffish Anarhichas orientalis (Anarhichadidae) off the coasts of Sakhalin and the Kuril Islands". Journal of Ichthyology. 54 (9): 678–691. doi:10.1134/S0032945214050105. S2CID   255271170.

Further reading