Scorpaena sumptuosa

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Scorpaena sumptuosa
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Scorpaenidae
Genus: Scorpaena
Species:
S. sumptuosa
Binomial name
Scorpaena sumptuosa
Castelnau 1875 [1]

Scorpaena sumptuosa, the western red scorpionfish, western red rockcod, western red scorpioncod or western scorpionfish, is a venomous species of marine ray-finned fish belonging to the family Scorpaenidae, the scorpionfishes. It is found in Western Australia.

Contents

Taxonomy

Scorpaena sumptuosa was first formally described in 1875 by the French naturalist François-Louis Laporte, comte de Castelnau with the type locality given as Fremantle in Western Australia. [2] The specific name sumptuosa means "magificent" in Latin, Castelnau did not explain this but it may refer to the deep red colour of this species. [3]

Description

Scorpaena sumptuosa is distinguished from most other species of Scorpaena found in the Indo-Pacific by its maxillary ridge, very deep occipital pit, thickened skin with many pores near the lateral line and covering the spine on the operculum and the presence of two pairs of slender tentacles on the front off the lower jaw. There are 16 fin rays in the pectoral fin. It is closely related to the ghost scorpionfish ( Scorpaena gasta ) but is larger, has fewer tentacles on the flanks and more variable in colour. [4] This species reaches a maximum total length of 40 cm (16 in). [5] This is a deep-bodied species with an obvious hump on the shoulder. Tentacles cover the body with the effect of disrupting the outline of the body to provide camouflage and the eyes are high on the head. It is a mottled red to brown colour marked with two wide vertical bands on the body, these extend onto the fins. [6]

Distribution and habitat

Scorpaena sumptuosa is endemic to Western Australia where it occurs from the Shark Bay in the north to Albany in the south. [7] It is found on coastal reefs in depths down to 60 m (200 ft). [8]

Biology

Scorpaena sumptuosa is an ambush predator, they lie motionless for lengthy periods, among corals, algae and benthic invertebrates and use their prehensile mouths to suck in prey which comes in range. They are protected by venom bearing spines which can deliver a painful sting. [6]

Notes

  1. ↑ Researches on the fishes of Australia. Philadelphia Centennial Expedition of 1876. Intercolonial Exhibition Essays, 1875-6. Researches on the fishes of Australia. No. 2: 1-52.
  2. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Scorpaena". Catalog of Fishes . California Academy of Sciences . Retrieved 14 February 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 14 February 2022.
  4. ↑ Hiroyuki Motomura; Peter R. Last; Gordon K. Yearsley (2006). "New Species of Shallow Water Scorpionfish (Scorpaenidae: Scorpaena) from the Central Coast of Western Australia". Copeia. 2006 (3): 360–369.
  5. ↑ Froese, Rainer; Pauly, Daniel (eds.) (2021). "Scorpaena sumptuosa" in FishBase . August 2021 version.
  6. 1 2 "Western Red Scorpionfish Scorpaena sumptuosa". Busselton Jetty. Retrieved 14 February 2022.
  7. ↑ "Species Scorpaena sumptuosa Castelnau, 1875". Australian Faunal Directory. Department of the Environment and Energy, Australian Government. Retrieved 14 February 2022.
  8. ↑ Bray, D.J. (2018). "Scorpaena sumptuosa". Fishes of Australia. Museums Victoria. Retrieved 14 February 2022.

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References

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