Acadian redfish

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Acadian redfish
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Scorpaenidae
Genus: Sebastes
Species:
S. fasciatus
Binomial name
Sebastes fasciatus

The Acadian redfish (Sebastes fasciatus), also known as the Atlantic redfish, Acadian rockfish, or Labrador redfish, is a

ray-finned fish belonging to the subfamily Sebastinae, the rockfishes, part of the family Scorpaenidae. It is native to the deep waters of the northwestern Atlantic.[3][4][5]

Taxonomy

The Acadian redfish was first formally

beaked redfish (S. mentella).[7] This species is classified within the subgenus Sebastes by some authorities. The specific name fasciatus means "banded", an allusion to the four clear bands on the flanks.[8]

Description

The Acadian redfish is colored reddish-orange and can live up to 50 years or more[4][9] and reach lengths up to 20 in (508 mm).[9] It is very similar in appearance to the deepwater redfish (S. mentella). The two species can be distinguished by the number of soft rays in the anal fin, internal examination of the gas bladder, or by genetic testing.[10]

Distribution and habitat

The Acadian redfish is native to the waters of the northwestern Atlantic Ocean and its range extends from Virginia, the Gulf of St. Lawrence, Nova Scotia, western Greenland and Iceland. It is found at depths varying between 70 and 500 m (230 and 1,640 ft).[2] It swims near the seabed in areas with clay-silt or rocky bottoms.[4]

Biology

The Acadian redfish feeds on a variety of crustaceans, mollusks, and smaller fish.[9] It spawns in the fall to late winter. The species is ovoviviparous, and females release 15,000–20,000 fully formed larvae into the water per season.[10] The Acadian redfish is preyed on by the halibut, the Atlantic cod, swordfishes and harbor seals.[2]

Conservation

Catch of Acadian redfish

Due to its slow growth rate, low fecundity, harmless nature, tendency to "hit almost any bait", and being considered a great food fish, the Acadian redfish was classified as

IUCN in 1996.[1][4][9] However, due to conservation efforts, the redfish population has rebounded, and in 2012 the species was described as fully rebuilt, sustainably managed and responsibly harvested under U.S. regulations.[11]

References

  1. ^
    doi:10.2305/IUCN.UK.1996.RLTS.T20084A9144739.en
    .
  2. ^ a b c Bailly, Nicolas (2013). "Sebastes fasciatus Storer, 1854". WoRMS. World Register of Marine Species. Retrieved 2013-12-19.
  3. ^ "Sebastes fasciatus". Integrated Taxonomic Information System. Retrieved 16 August 2008.
  4. ^ a b c d Froese, Rainer; Pauly, Daniel (eds.) (2008). "Sebastes fasciatus" in FishBase. August 2008 version.
  5. ^ Acadian redfish NOAA FishWatch. Retrieved 5 November 2012.
  6. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Sebastes". Catalog of Fishes. California Academy of Sciences. Retrieved 23 November 2021.
  7. ^ Acero, A.; Gordon, J.D.M.; Murdy, E. (2010). "Sebastes mentella". IUCN Red List of Threatened Species. 2010: e.T154816A115238709. Retrieved 23 November 2021.
  8. ^ 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 23 November 2021.
  9. ^ a b c d Acadian redfish Archived September 11, 2008, at the Wayback Machine, Maine Dept. of Marine Resources.
  10. ^ a b Ralph K. Mayo, Jon K. T. Brodziak, John M. Burnett, Michele L. Traver, and Laurel A. Col, "The 2005 Assessment of Acadian Redfish, Sebastes fasciatus Storer, in the Gulf of Maine/Georges Bank Region," Northeast Fisheries Science Center Reference Document 07-06, National Oceanic and Atmospheric Administration, U.S. Department of Commerce (April, 2007).
  11. ^ NOAA - FishWatch: Acadian Redfish, Retrieved 20 February 2013.
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