Helicolenus hilgendorfii

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Helicolenus hilgendorfii
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Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Scorpaenidae
Genus: Helicolenus
Species:
H. hilgendorfii
Binomial name
Helicolenus hilgendorfii
(Döderlein (de), 1884)
Synonyms [1]

Sebastes hilgendorfiiDöderlein

Helicolenus hilgendorfii, Hilgendorf's saucord, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, part of the family Scorpaenidae. It is found in the northwestern Pacific Ocean.

Contents

Taxonomy

Helicolenus hilgendorfii was first formally described in 1884 as Sebastes hilgendorfii by the German zoologist Ludwig Heinrich Philipp Döderlein with the type locality given as Tokyo, although no types are known. [2] Döderlein did not state who was honoured in the specific name but it is certainly the German zoologist and palaeontologist Franz Martin Hilgendorf whose work on Japanese fishes was often referred to by Döderlein. [3]

Description

Helicolenus hilgendorfii attains a maximum standard length of 27 cm (11 in). [1] It has an elongated, compressed body with a large head which has weak spines. The orbit protrudes a little over the dorsal profile of the head. They do not have a swim bladder. There are no teeth in the front of the jaws. The preoperculum has 5 spines and the operculum has 2. The body is covered with ctenoid scales and there are 26-27 scales in the lateral line. The dorsal fin has 12 short spines with the membranes between them being slightly notched, and 11-13 soft rays. The anal fin is slightly shorter than the spiny dorsal fin and contains 3 spines and 4-6 soft rays. The pectoral fin extends to just in front of the anus while the pelvic fin has a single spine and 5 soft rays and the caudal fin is truncate. The body is light red in colour with orange-red mottling on the flanks above the lateral line. The spines of the dorsal fin are orange-red with the rest of the fin being a light colour. [4]

Distribution and habitat

Helicolenus hilgendorfii is found in the northwestern Pacific Ocean from Japan and southern Korea southwards into the East China Sea. It is a demersal species which is found in areas of sandy and muddy substrates. [1] it is found at depths of 150 to 300 m (490 to 980 ft). [4]

Biology

Helicolenus hilgendorfii is viviparous. [1] This is a carnivorous fish which although specialised to feed on shrimps, especially Crangon hakodatei , it is an opportunistic predator and as the fish grows it consumes less shrimps and more fishes. [5] The krill species Euphausia pacifica has also been recorded as a prey item for this fish.

Related Research Articles

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<i>Helicolenus percoides</i> Species of fish

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Franz Martin Hilgendorf

Franz Martin Hilgendorf was a German zoologist and paleontologist. Hilgendorf's research on fossil snails from the Steinheim crater in the early 1860s became a palaeontological evidence for the theory of evolution published by Charles Darwin in 1859.

<i>Sebastes inermis</i> Species of fish

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<i>Helicolenus dactylopterus</i> Species of fish

Helicolenus dactylopterus, blackbelly rosefish, bluemouth rockfish, and bluemouth seaperch, is a species of marine ray-finned fish belonging to the subfamily Sebastinae which is classified within the family Scorpaenidae. This Atlantic species is a typical sit-and-wait predator with a highly cryptic coloration.

Hozukius is a genus of marine ray-finned fishes belonging to the subfamily Sebastinae within the family Scorpaenidae. They are native to the northwestern Pacific Ocean.

<i>Dolloidraco</i> Species of fish

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Blackfin snapper Species of fish

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Golden-lined spinefoot Species of fish

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Vermiculated spinefoot Species of fish

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<i>Pomadasys kaakan</i> Species of fish

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<i>Caesio cuning</i> Species of fish

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Pristipomoides flavipinnis, the golden eye jobfish or golden eye snapper, is a species of ray-finned fish, a snapper belonging to the family Lutjanidae. It is found in the Pacific Ocean.

<i>Lutjanus vitta</i> Species of fish

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<i>Sebastes glaucus</i> Species of fish

Sebastes glaucus, the gray rockfish or blue rockfish, is a species of marine ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. This species is found in deep waters of the Northwest Pacific.

<i>Sebastes pachycephalus</i> Species of fish

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Silk snapper Species of fish

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References

  1. 1 2 3 4 Froese, Rainer and Pauly, Daniel, eds. (2021). "Helicolenus hilgendorfii" in FishBase. June 2021 version.
  2. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Helicolenus". Catalog of Fishes . California Academy of Sciences . Retrieved 31 October 2021.
  3. Christopher Scharpf & Kenneth J. Lazara, eds. (22 May 2021). "Order Perciformes (Part 8): Suborder Scorpaenoidei: Families Sebastidae, Setarchidae and Neosebastidae". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 31 October 2021.
  4. 1 2 "Helicolenus hilgendorfii" (in Chinese). Fish Database of Taiwan. Retrieved 31 October 2021.
  5. Baeck, G. W.; Park, J. M.; Choi, H. C.; Huh, S-H. (2013). "Diet composition in summer of rosefish Helicolenus hilgendorfii on the southeastern coast of Korea". Ichthyological Research. 60 (1): 75–79. doi:10.1007/s10228-012-0306-y.

Further reading