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Lifespan, longevity, and ageing

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Maximum longevity: 87 years (wild)
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Diagnostic Description

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Head spines very strong to strong - nasal, preocular, supraocular, postocular, tympanic and parietal spines present, nuchals usually absent, coronal spine absent (Ref. 27437). 2nd anal fin spine long (Ref. 27437). Caudal fin slightly indented (Ref. 6885). Orange or yellow with greenish mottling dorsally, lighter ventrally; 4 to 5 squarish white spots tinged or boarded with light pink or yellow on back (Ref. 27437).
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Morphology

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Dorsal spines (total): 13; Dorsal soft rays (total): 12 - 14; Analspines: 3; Analsoft rays: 6 - 7
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Biology

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Found on soft bottoms (Ref. 2850). Often caught on commercial longlines set below 108 m (Ref. 27437). Viviparous (Ref. 34817).
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Rainer Froese
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Sebastes helvomaculatus

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Sebastes helvomaculatus, the rosethorn 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 the Eastern Pacific.

Taxonomy

Sebastes helvomaculatus was first formally described in 1859 by the American physician and ichthyologist William Orville Ayres with the type locality given as San Francisco, California.[2] Some authorities place this species in the subgenus Sebastomus.[3] The specific name helvomaculatus is a compound of helvus which means "yellow" and maculatus meaning "spotted", an allusion to the oblong spots on the flank, even though these are pink rather than yellow.[4]

Description

Sebastes helvomaculatus is a comparatively small and slender rockfish which has large eyes relative to the size of its head.[5] The depth of the body is just less than a third of its standard length.[6] The dorsal fin has 13 spines and 12-14 soft rays while the anal fin has 3 spines, the second spine being very long, and 6-7 soft rays. The head has robust spines, somne very robust, the nasal, preocular, supraocular, postocular, tympanic and parietal spines are present, the nuchals are typically not present and the coronal spine is always absent. The caudal fin is slightly forked.[1] This species varies in colour from crimson, orange, yellow or yellowish-green patterned as a series of vague stripes. The anal and dorsal fins typically have pink or green stripes and there is green and white striping on the top of the head.[6] There are 4 to 5 white blotches which may be edged or tinted with pale.[5] This species attains a maximum total length of 41 cm (16 in).[1]

Distribution and habitat

Sebastes helvomaculatus is found in the eastern Pacific Ocean from Kodiak Island in Alaska South to Guadalupe Island in Baja California, although it is rare south of San Francisco, California. It is a demersal fish with a depth range of 25 to 549 m (82 to 1,801 ft).[1]

Biology

Sebastes helvomaculatus are typically encountered resting singly in crevices or caves in rock walls or in mud sheltered by boulders or pebbles. It is a slow growing species,[7] It is long lived species which has a maximum known age of 87 years.[1] This species breeds annually, it is ovoviviparous and the females release larvae in May and June.The size at which 50% of the fish were sexually mature was at fork lengths of 228 mm (9.0 in) for males and 208 mm (8.2 in) for females.[7]

References

  1. ^ a b c d e Froese, Rainer; Pauly, Daniel (eds.) (2021). "Sebastes helvomaculatus" in FishBase. August 2021 version.
  2. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Sebates". Catalog of Fishes. California Academy of Sciences. Retrieved 15 November 2021.
  3. ^ Milton S. Love; Merit McCrea; and Li Kui (2018). "Aspects of the Life Histories of Pinkrose Rockfish (Sebastes simulator) and Swordspine Rockfish (Sebastes ensifer) with Notes on the Subgenus Sebastomus". Bulletin of the Southern California Academy of Sciences. 117 (1): 64–76. doi:10.3160/soca-117-01-64-76.1. S2CID 73693000.
  4. ^ 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 15 November 2021.
  5. ^ a b "Rosethorn Rockfish (Sebastes helvomaculatus)". Washington Department of Fish and Wildlife. Retrieved 15 November 2021.
  6. ^ a b "Rosethorn Rockfish". Mexican Fish. 12 April 2017. Retrieved 15 November 2021.
  7. ^ a b F.R. Shaw; D.R. Gunderson (2008). "Notes on the life history traits of the rosethorn rockfish, Sebastes helvomaculatus". California Fish and Game. 94 (3): 123–136.
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Sebastes helvomaculatus: Brief Summary

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Sebastes helvomaculatus, the rosethorn 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 the Eastern Pacific.

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Sebastes helvomaculatus ( Spanish; Castilian )

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Sebastes helvomaculatus es una especie de pez de la familia Sebastidae, que habita en el Pacífico oriental.[1]

Fue descrito por primera vez en 1859 por Ayres.[2]

Referencias

  1. «Sebastes helvomaculatus summary page». FishBase (en inglés). Consultado el 29 de octubre de 2019.
  2. «WoRMS - World Register of Marine Species - Sebastes helvomaculatus Ayres, 1859». www.marinespecies.org. Consultado el 29 de octubre de 2019.
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Sebastes helvomaculatus: Brief Summary ( Spanish; Castilian )

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Sebastes helvomaculatus es una especie de pez de la familia Sebastidae, que habita en el Pacífico oriental.​

Fue descrito por primera vez en 1859 por Ayres.​

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Sebastes helvomaculatus ( Basque )

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Sebastes helvomaculatus Sebastes generoko animalia da. Arrainen barruko Sebastidae familian sailkatzen da.

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Erreferentziak

  1. Froese, Rainer & Pauly, Daniel ed. (2006), Sebastes helvomaculatus FishBase webgunean. 2006ko apirilaren bertsioa.

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Sebastes helvomaculatus: Brief Summary ( Basque )

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Sebastes helvomaculatus Sebastes generoko animalia da. Arrainen barruko Sebastidae familian sailkatzen da.

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Sebastes helvomaculatus ( Dutch; Flemish )

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Vissen

Sebastes helvomaculatus is een straalvinnige vissensoort uit de familie van schorpioenvissen (Sebastidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1859 door Ayres.

Bronnen, noten en/of referenties
  1. (en) Sebastes helvomaculatus. FishBase. Ed. Ranier Froese and Daniel Pauly. 10 2011 version. N.p.: FishBase, 2011.
Geplaatst op:
22-10-2011
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen. Beginnetje
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黃斑平鮋 ( Chinese )

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二名法 Sebastes helvomaculatus
Ayres,1859

黃斑平鮋,為輻鰭魚綱鮋形目鮋亞目平鮋科的其中一,為溫帶海水魚,分布於東太平洋阿拉斯加科迪亞克島墨西哥下加利福尼亞海域,棲息深度25-549公尺,本魚體黃色或橘色,背部呈綠色並具有雜斑,腹部顏色較淡,頭部棘強,背鰭硬棘13枚;背鰭軟條12-14枚;臀鰭硬棘3枚;臀鰭軟條6-7枚,體長可達41公分,棲息在軟底質底層水域,卵胎生,生活習性不明。

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黃斑平鮋: Brief Summary ( Chinese )

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黃斑平鮋,為輻鰭魚綱鮋形目鮋亞目平鮋科的其中一,為溫帶海水魚,分布於東太平洋阿拉斯加科迪亞克島墨西哥下加利福尼亞海域,棲息深度25-549公尺,本魚體黃色或橘色,背部呈綠色並具有雜斑,腹部顏色較淡,頭部棘強,背鰭硬棘13枚;背鰭軟條12-14枚;臀鰭硬棘3枚;臀鰭軟條6-7枚,體長可達41公分,棲息在軟底質底層水域,卵胎生,生活習性不明。

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Habitat

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Known from seamounts and knolls

Reference

Stocks, K. 2009. Seamounts Online: an online information system for seamount biology. Version 2009-1. World Wide Web electronic publication.

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