Lethrinus atkinsoni

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Lethrinus atkinsoni
Lethrinus atkinsoni JNC1742 - MNHN 2006-1636.JPG
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Spariformes
Family: Lethrinidae
Genus: Lethrinus
Species:
L. atkinsoni
Binomial name
Lethrinus atkinsoni
Seale, 1910 [2]

Lethrinus atkinsoni, the Pacific yellowtail emperor,, Atkinson's emperor, reticulated emperor, tricky snapper, Tuamotu emperor, yellow morwong or yellow-tailed emperor is a species of marine ray-finned fish benomging to the family Lethrinidae, the emperor breams and emperors. This fish is found in the Western Pacific Ocean.

Contents

Taxonomy

Lethrinus atkinsoni was first formally described in 1910 by the American ichthyologist Alvin Seale with its type locality given as Balabac Island in the Philippines. [3] Some authors place the genus Lethrinus in the monotypic subfamily Lethrininae, with all the other genera of Lethrinidae placed in the Monotaxinae, however, the 5th edition of Fishes of the World does not recognise the subfamilies traditionally accepted within the family Lethrinidae as valid. The family Lethrinidae is classified by the 5th edition of Fishes of the World as belonging to the order Spariformes. [4]

Etymology

Lethrinus atkinsoni has a patronym for its specific name, Seale did not say who he was honouring with the patronym nut it is thought likely to be the illustrator William Sackston Atkinson who prepared plates for Seale. [5]

Description

Lethrinus atkinsoni has a continuous dorsal fin which is supported by 10 apines and 9 fost rays while the anal fin is supported by 3 spines and 8 soft rays. [6] It has a moderately deep body that has a standard length of between 2.3 and 2,6 times its depth. The dorsal profile of the head is clearly convex near the eyes and the snout is short and blunt with a steep, straight profile. [7] This species has a yellow tail and a yellow mark over the eye, it may show a wide yellow longitudinal stripe running along the midflank. The extent of yellow on the caudal peduncle and how much it extends onto the body is variable. [8] This species has a maximum published total length of 50 cm (20 in), although 32.5 cm (12.8 in) is more typical. [6]

Distribution

This species is widespread throughout the west Pacific Ocean, and is known to live in the waters of Indonesia, the Philippines, New Caledonia, and Japan. [9] [10] [11]

Habitat

Lethrinus atkinsoni is a reef-associated fish, and is non-migratory. It lives in seagrass beds and over the sandy bottoms of lagoons and the outer slopes of coral reefs. It is found in depths of between 0 and 30 metres, but is most commonly found between 2 and 8 metres. [12] [10]

Biology

Lethrinus atkinsoni has been found to be a protogynous hermaphrodite, the males develop from mature females, in some populations and in other populations they are gonochoristic, i.e separate sexes. A clearly defined spawning season was not found off Saipan, although elsewhere spawning peaks in the Spring. 50% of the fish with fork lengths between 20.6 and 21.3 cm (8.1 and 8.4 in) are sexually mature. [13] This species is known to eat plankton, mollusks, crustaceans, and other fishes [12] It may be solitary or found in schools. [10] [11]

Human uses

Lethrinus atkinsoni is caught as a subsistence fish, commercially, as well as by recreation fishers. [12] Although considered desirable as food, other species in the genus are preferred due to its smaller size. It is caught mainly using handlines, by trawling, and is captured in such nets as the shore seine and gillnet. [11] It is marketed mostly fresh, not frozen. [11] [10]

Parasites

As with most fish, Lethrinus atkinsoni is the host of many species of parasites. [14] The diplectanid monogenean Calydiscoides rohdei [15] [16] [17] is parasitic on the gills. The gills also harbour unidentified gnathiid isopod larvae. [14] The digestive tract harbours several species of digeneans, including the opecoelids Macvicaria macassarensis [14] and Neolebouria sp. [14] and the acanthocolpid Zoogonus pagrosomi [18] [19] and unidentified tetraphyllid cestodes. [14] The abdominal cavity harbours larvae of the tetrarynch cestode Pseudogilquinia pillersi. [20] In New Caledonia, where its parasites were studied, Lethrinus atkinsoni has a total of six species of parasites. [14]

Related Research Articles

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<span class="mw-page-title-main">Brownspotted grouper</span> Species of fish

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<i>Lethrinus miniatus</i> Species of fish

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<i>Lethrinus laticaudis</i> Species of fish

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<i>Epinephelus ongus</i> Species of fish

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<i>Calydiscoides euzeti</i> Species of flatworm

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<i>Lethrinus</i> Genus of fishes

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<i>Lethrinus olivaceus</i> Species of fish

Lethrinus olivaceus, common name longface emperor or long-nosed emperor, is a species of marine ray-finned fish belonging to the family Lethrinidae, the emperors or emperor breams. This species has a wide Indo-Pacific distribution.

<i>Lethrinus lentjan</i> Species of fish

Lethrinus lentjan, the pink ear emperor, redspot emperor, purple ear emperor or purple-headed emperor, is a species of marine ray-finned fish belonging to the family Lethrinidae, the emperors and emperor breams. This fish is found in the Indo-Pacific region.

<i>Lethrinus nebulosus</i> Species of fish

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<i>Lethrinus rubrioperculatus</i> Species of fish

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<i>Pseudorhabdosynochus</i> Genus of flatworms

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<i>Lamellodiscus</i> Genus of flatworms

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<i>Hamacreadium cribbi</i> Species of flatworm

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<i>Lethrinus amboinensis</i> Species of fish

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References

  1. Carpenter, K.E.; Lawrence, A. & Myers, R. (2016). "Lethrinus atkinsoni". IUCN Red List of Threatened Species . 2016: e.T16719843A16722365. doi: 10.2305/IUCN.UK.2016-3.RLTS.T16719843A16722365.en . Retrieved 4 December 2023.
  2. "WoRMS - World Register of Marine Species - Lethrinus atkinsoni Seale, 1910". Marinespecies.org. 2008-01-15. Retrieved 2014-05-26.
  3. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Lethrinus". Catalog of Fishes . California Academy of Sciences . Retrieved 4 December 2023.
  4. Nelson, J.S.; Grande, T.C.; Wilson, M.V.H. (2016). Fishes of the World (5th ed.). Hoboken, NJ: John Wiley & Sons. pp. 502–506. doi:10.1002/9781119174844. ISBN   978-1-118-34233-6. LCCN   2015037522. OCLC   951899884. OL   25909650M.
  5. "Order SPARIFORMES: Families LETHRINIDAE, NEMIPTERIDAE and SPARIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. 17 October 2022. Retrieved 4 December 2023.
  6. 1 2 Froese, Rainer; Pauly, Daniel (eds.) (2006). "Lethrinus atkinsoni" in FishBase . October 2006 version.
  7. Kent E. Carpenter; Gerald R. Allen (1989). Emperor fishes and large-eye breams of the world (Family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date (PDF). FAO Species Catalogue. Vol. 9. FAO, Rome.
  8. "Lethrinus atkinsoni Pacific yellow-tail emperor Atkinson's Emperor Pacific Yellowtail Emperor Sky Emperor Tricky Snapper Yellow Morwong Yellowbrow Emperor". Reef Life Survey. Retrieved 4 December 2023.
  9. "Cook Islands Biodiversity : Lethrinus atkinsoni - Pacific Yellowtail Emperor". Cookislands.bishopmuseum.org. Retrieved 2014-06-02.
  10. 1 2 3 4 "Lethrinus atkinsoni, Pacific yellowtail emperor : fisheries, gamefish". Fishbase.org. 2012-07-03. Retrieved 2014-06-02.
  11. 1 2 3 4 ftp://ftp.fao.org/docrep/fao/009/t0242e/T0242E07.pdf
  12. 1 2 3 Atlas of Living Australia. "Lethrinus atkinsoni : Yellowtail Emperor | Atlas of Living Australia". Bie.ala.org.au. Retrieved 2014-06-02.
  13. Trianni, M.S.; DeMartini, E.E. & Taylor, B.M. (2023). "Life history characteristics and status of the Pacific yellowtail emperor, Lethrinus atkinsoni (Seale 1910), in the Commonwealth of the Northern Mariana Islands". Aquaculture, Fish and Fisheries. 3: 165–174. doi: 10.1002/aff2.100 .
  14. 1 2 3 4 5 6 Justine, J.-L., Beveridge, I., Boxshall, G. A., Bray, R. A., Moravec, F. & Whittington, I. D. 2010: An annotated list of fish parasites (Copepoda, Monogenea, Digenea, Cestoda and Nematoda) collected from Emperors and Emperor Bream (Lethrinidae) in New Caledonia further highlights parasite biodiversity estimates on coral reef fish. Zootaxa, 2691, 1-40. Open-Access PDF
  15. Oliver, G. 1984: Quelques espèces du Genre Calydiscoides Young (Monogenea, Monopisthocotylea, Diplectanidae), parasites de Perciformes du Récif de la Grande Barrière (Australie). Zoologica Scripta, 13, 189-193.
  16. Justine, J.-L. 2007: Species of Calydiscoides Young, 1969 (Monogenea: Diplectanidae) from lethrinid fishes, with the redescription of all of the type-specimens and the description of C. euzeti n. sp. from Lethrinus rubrioperculatus and L. xanthochilus off New Caledonia. Systematic Parasitology, 67, 187-209. doi : 10.1007/s11230-006-9087-x
  17. Rascalou, G. & Justine, J.-L. 2007: Three species of Calydiscoides (Monogenea: Diplectanidae) from five Lethrinus spp. (Lethrinidae: Perciformes) off New Caledonia, with a description of Calydiscoides terpsichore sp. n. [Article]. Folia Parasitologica, 54, 191-202. doi : 10.14411/fp.2007.026
  18. Bray, R. A. & Justine, J.-L. 2008: Dupliciporia lanterna n. sp. (Digenea: Zoogonidae) from Priacanthus hamrur (Perciformes: Priacanthidae) and additional zoogonids parasitizing fishes from the waters off New Caledonia. Zootaxa, 1707, 60-68.
  19. Bray, RA.; Justine, J-L. (2014). "A review of the Zoogonidae (Digenea: Microphalloidea) from fishes of the waters around New Caledonia, with the description of Overstreetia cribbi n. sp". PeerJ. 2: e292. doi: 10.7717/peerj.292 . PMC   3961169 . PMID   24688868.
  20. Beveridge, I., Chauvet, C. & Justine, J.-L. 2007: Redescription of Pseudogilquinia pillersi (Southwell, 1929) (Cestoda, Trypanorhyncha) from serranid and lethrinid fishes from New Caledonia and Australia. Acta Parasitologica, 52, 213-218. doi : 10.2478/s11686-007-0029-9