Arctic shanny

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Arctic shanny
Arctic shanny, Sticheus punctatus, in Newfoundland (7273715176).jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Stichaeidae
Genus: Stichaeus
Species:
S. punctatus
Binomial name
Stichaeus punctatus
(Fabricius, 1780)
Synonyms [1]
  • Blennius punctatus Fabricius, 1780
  • Stichaeus rothrocki T.H. Bean, 1881

The Arctic shanny (Stichaeus punctatus) is a species of marine ray-finned fish belonging to the family Stichaeidae, the pricklebacks and shannies. This species occurs in the North Pacific, Arctic and western North Atlantic Oceans.

Contents

Taxonomy

The Arctic shanny was first formally described in 1780 as Blennius punctatus by the Danish zoologist Johan Christian Fabricius, giving its type locality as Western Greenland. [2] When Johan Reinhardt proposed the genus Stichaeus he designated Blennius punctatus as its type species. [3] The specific name punctatus means spotted, a reference to the 5 or 6 spots on the dorsal fin. [4]

Subspecies

Some authorities recognise two subspecies of the Arctic shanny: [5]

The nominate subspecies is found in the northern western Atlantic and Pacific Oceans and is sympatric with S.p. pulcherrimus in the Sea of Okhtosk and this subspecies may be a valid, distinct species. [6]

Description

The Arctic shanny has the moderately elongated, laterally compressed body which is covered in tiny cycloid scales and scaleless head of te genus Stichaeus. It has teeth on the jaws, vomer and palatine. The teeth on the upper jaw are arranged in between two and four rows while those in the lower jaw form a single row. The jaws are equal in length or the lower jaw may just protrude beyond the upper jaw. The head has a number of sensory canals which are made up of 60 to 73 pores. The single lateral line does not reach the caudal fin and appears to be an extension of the post orbital sensory canal. The anal fin has no rear spines. There are 46 to 40 spines in the dorsal fin and 1 or 2 spines and between 32 and 35 soft rays in the anal fin. It has bright red flanks with vague brownish spots and wavy brown lines on the gill cover and wavy stripes between the eye and the chin. The reddish dorsal fin is marked with diffuse grey spots and 5 ocelli with yellow centres and blackish edges. [5] The maximum published total length is 22 cm (8.7 in). [1]

Distribution and habitat

The Arctic shanny is found in the Arctic, North Pacific and northwestern Atlantic Oceans, it occurs South to British Columbia in the Pacific and to Maine in the Atlantic and east as far as Western Greenland. It is a demersal fish found at depths from 0 to 100 m (0 to 328 ft) in area of sand and rock below the low tide mark. [1]

Biology

The Arctic shanny is a benthic species which feeds on crustaceans and worms. [1] They probably spawn in the middle of winter. [7]

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<span class="mw-page-title-main">Stichaeidae</span> Family of fishes

Stichaeidae, the pricklebacks or shannies, are a family of marine ray-finned fishes in the suborder Zoarcoidei of the order Scorpaeniformes. Most species are found in the North Pacific Ocean with a few in the North Atlantic Ocean.

<i>Cryptacanthodes</i> Genus of fishes

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<i>Ernogrammus</i> Genus of fishes

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<span class="mw-page-title-main">Rock gunnel</span> Species of fish

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<span class="mw-page-title-main">Stichaeinae</span> Subfamily of fishes

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<span class="mw-page-title-main">Fourline snakeblenny</span>

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<i>Stichaeus</i> Genus of fish

Stichaeus is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks or shannies. These fishes are mainly found in the North Pacific Ocean with one species in the Arctic and western North Atlantic Oceans.

Stichaeopsis is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the western North Pacific Ocean.

<span class="mw-page-title-main">Opisthocentrinae</span> Subfamily of fishes

Opisthocentrinae is a subfamily of marine ray-finned fishes, classified within the family Stichaeidae, the pricklebacks or shannies. These fishes are found in the North Pacific Ocean.

Askoldia is a monotypic genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks and shannies. Its only species is Askoldia variegata which is found in the northwestern Pacific Ocean.

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<i>Opisthocentrus</i>

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<span class="mw-page-title-main">Six-spot prickleback</span>

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<span class="mw-page-title-main">Chirolophinae</span> Subfamily of fish

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References

  1. 1 2 3 4 Froese, Rainer; Pauly, Daniel (eds.) (2022). "Stichaeus punctatus" in FishBase . June 2022 version.
  2. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Stichaeus". Catalog of Fishes . California Academy of Sciences . Retrieved 26 August 2022.
  3. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Stichaeinae". Catalog of Fishes . California Academy of Sciences . Retrieved 26 August 2022.
  4. ↑ Christopher Scharpf & Kenneth J. Lazara, eds. (4 July 2021). "Order Perciformes (Part 11): Suborder Cottoidea: Infraorder Zoarcales: Families: Anarhichadidae, Neozoarcidae, Eulophias, Stichaeidae, Lumpenidae, Ophistocentridae, Pholidae, Ptilichthyidae, Zaproridae, Cryptacanthodidae, Cebidichthyidae, Scytalinidae and Bathymasteridae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 26 August 2022.
  5. 1 2 G.U. Lindberg (1989). Fishes of the Sea of Japan and the Adjacent Areas of the Sea of Okhotsk and the Yellow Sea Part 4. Smithsonian Institution Libraries and National Science Foundation.
  6. ↑ Mecklenburg, C. W. and B. A. Sheiko (2004). "Family Stichaeidae Gill 1864 — pricklebacks" (PDF). California Academy of Sciences Annotated Checklists of Fishes. 35.
  7. ↑ Morley K. Farwell; John M. Green & Veron A. Pepper (1976). "Distribution and Known Life History of Stichaeus punctatus in the Northwest Atlantic". Copeia. 1979 (3): 598–602.
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