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Phenacoscorpius

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(Redirected from Phenacoscorpius adenensis) Genus of fishes

Phenacoscorpius
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Scorpaenidae
Tribe: Scorpaenini
Genus: Phenacoscorpius
Fowler, 1938
Type species
* Phenacoscorpius megalops
Fowler, 1938

Phenacoscorpius, the no-lined scorpionfishes, is a genus of marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. They are native to the western Atlantic, Pacific and Indian oceans.

Taxonomy

Phenacoscorpius was first described as a genus in 1938 by the American ichthyologist Henry Weed Fowler when he described Phenacoscorpius megalops from the Philippines which he designated as the type species of the new monotypic genus. The genus name is a compound of phenaco, which means “cheat”, an allusion to the incomplete lateral line of P. megalops, and scorpius, meaning “scorpion”, as this is a scorpionfish.

Species

Phenacoscorpius contains, as of January 2022, seven recognized species:

Characteristics

Phenacoscorpius scorpionfishes have very bony heads armed with strong spines and without an occipital pit on the top of the head behind the eyes. The suborbital ridge has 5-6 spines. There are teeth on the sides of the roof of the mouth but none in the front. The uppermost preopercular spine is the largest. There are 12 spines and 9 soft rays in the dorsal fin and 3 spines and 5 soft rays in the anal fin. The pectoral fins have 15-17 rays with the upper rays being branched, the central rays being the longest and the lower rays having their tips exposed. The lateral line is incomplete being made up of only 4-5 pored scales at the front. These scorpionfishes vary in size from a standard length of 6.3 cm (2.5 in) in P. longirostris and a total length of 13.5 cm (5.3 in) in P. megalops.

Distribution and habitat

Phenacoscorpius scorpionfishes have an almost circumtropical distribution and are mainly found in the Indian and Pacific Oceans, with one species in the western Atlantic Ocean, although they are not found in the eastern Atlantic Ocean.These are deepwater fishes typically found deeper then 500 m (1,600 ft).

References

  1. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Scorpaenidae". Catalog of Fishes. California Academy of Sciences. Retrieved 18 January 2022.
  2. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Phenacoscorpius". Catalog of Fishes. California Academy of Sciences. Retrieved 19 January 2022.
  3. Christopher Scharpf & Kenneth J. Lazara, eds. (2 October 2021). "Order Perciformes (Part 9): Suborder Scorpaenoidei: Family Scorpaenidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 18 January 2022.
  4. ^ Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Phenacoscorpius". FishBase. August 2021 version.
  5. ^ Motomura, H.; Causse, R. & Struthers, C.D. (2012). "Phenacoscorpius longilineatus, a New Species of Deepwater Scorpionfish from the Southwestern Pacific Ocean and the First Records of Phenacoscorpius adenensis from the Pacific Ocean (Teleostei: Scorpaenidae)". Species Diversity. 17 (2): 151–160.
  6. Motomura, H.; Kanehira, N. & Imamura, H. (2012). "Redescription of a Poorly Known Southeastern Pacific Scorpionfish (Scorpaenidae), Phenacoscorpius eschmeyeri Parin and Mandrytsa". Species Diversity. 17 (2): 145–150.
  7. "Genus: Phenacoscorpius, Scorpionfishes". Shorefishes of the Greater Caribbean online information system. Smithsonian Tropical research Institute. Retrieved 19 January 2022.
Taxon identifiers
Phenacoscorpius
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