Opisthocentrus

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Opisthocentrus
Opisthocentrus ocellatus.jpg
Opisthocentrus ocellatus
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Stichaeidae
Subfamily: Opisthocentrinae
Genus: Opisthocentrus
Kner, 1868 [1]
Type species
Centronotus quinquemaculatus a synonym of Opisthocentrus ocellatus
Kner, 1868 [1]
Synonyms [1]

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

Contents

Taxonomy

Opisthocentrus was first proposed as a monospecific genus in 1868 by the Austrian ichthyologist Rudolf Kner when he described its type species Centronotus quinquemaculatus [1] from "Pinang", although this was probably De Kastri Bay on the Tatar Strait in the northern Sea of Japan. [2] C. quinqumaculatus has since been considered to be a junior synonym of Ophidium ocellatus which had been described by Tilesius in 1811. [1] The genus is placed in the subfamily Opisthocentrinae within the family Stichaeidae by some authorities, [3] while others treat the subfamily as a valid family, the Ophistocentridae. [1]

Species

Opisthocentrus contains the following species: [4]

Characteristics

Opisthocentrus fishes are similar in shape to Askoldia and Pholidapus but the adults of this genus are notably smaller in size. They share having three sensory pores between the eyes and three on the joint of the occipital. They also have a uniformly spaces row of between four and eight round dark spots on the dorsal fin and two to four dark bars across the head. The orihin of the anal fin is below the 21st to 24th spines in the dorsal fin. [5] The largest species is O. ocellatus which has a maximum published total length of 20 cm (7.9 in). [4]

Distribution and habitat

Opisthocentrus fishes are found in the northwestern Pacific Ocean in the waters of Japan, Russia and Korea. They are demersal fishes living close to the shore in algal beds. [4]

Related Research Articles

<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>Ernogrammus</i> Genus of fishes

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

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

Stichaeinae 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, Arctic and North Atlantic Oceans.

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

The fourline snakeblenny is a species of marine ray-finned fish belonging to the family Stichaeidae, the pricklebacks and shannies. It is the only species in the monotypic genus Eumesogrammus. This fish is found in the Western North Atlantic, Arctic and North Pacific Oceans.

The crisscross prickleback is a species of marine ray-finned fish belonging to the family Stichaeidae, the pricklebacks and shannies. It is the only species in the monotypic genus Plagiogrammus. This fish is found in the eastern Pacific Ocean off California.

The radiated shanny is a species of marine ray-finned fish belonging to the family Stichaeidae, the pricklebacks and shannies. It is the only species in the monotypic genus Ulvaria. This fish is found in the northwestern Atlantic Ocean.

<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">Arctic shanny</span> Species of fish

The Arctic shanny 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.

<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.

<i>Kasatkia</i> Genus of fishes

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

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

<i>Pholidapus</i>

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

<i>Anisarchus</i> Genus of fishes

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

<i>Alectrias</i> Genus of fishes

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

<i>Dictyosoma</i> Genus of fishes

Dictyosoma is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks and shannies. These fishes are found in the northwestern Pacific Ocean.

Xiphister is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks and shannies. These fishes are found in the eastern Pacific Ocean.

Neozoarcinae 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.

Neozoarces is a genus of marine ray-finned fishes belonging to the family Stichaeidae, the pricklebacks and shannies. These fishes are found in the northwestern Pacific Ocean.

References

  1. 1 2 3 4 5 6 Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Opisthocentridae". Catalog of Fishes . California Academy of Sciences . Retrieved 11 August 2022.
  2. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Ophistocentrus". Catalog of Fishes . California Academy of Sciences . Retrieved 19 September 2022.
  3. ↑ Mecklenburg, C. W. and B. A. Sheiko (2004). "Family Stichaeidae Gill 1864 — pricklebacks" (PDF). California Academy of Sciences Annotated Checklists of Fishes. 35.
  4. 1 2 3 Froese, Rainer and Pauly, Daniel, eds. (2022). Species of Opisthocentrus in FishBase . February 2022 version.
  5. ↑ Chereshnev, Igor; Radchenko, Olga; and Petrovskaya, Anna (2012). "The taxonomic status and relationships of stichaeid fish of the Opisthocentrus, Pholidapus, and Askoldia Genera (Perciformes: Stichaeidae)". Russian Journal of Marine Biology. 37 (6): 446–457. doi:10.1134/S1063074011060058.
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