Sladenia (fish)

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Sladenia
Sladenia shaefersi 600.jpg
S. shaefersi
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Lophiiformes
Suborder: Lophioidei
Family: Lophiidae
Genus: Sladenia
Regan, 1908
Type species
Sladenia gardineri
Regan, 1908

Sladenia is a genus of marine ray-finned fishes belonging to the family Lophiidae, which includes the goosefishes, monkfishes and anglers. These are deepwater anglers found in theIndian Ocean, the Caribbean Sea and the Western Pacific Ocean.

Contents

Taxonomy

Sladenia was first proposed as a monospecific genus in 1908 by the English ichthyologist Charles Tate Regan when he described the new species Sladenia gardineri. [1] S. gardineri had a type locality of Salomon Atoll in the Chagos Archipelago of the Indian Ocean. [2] The genus Sladenia is one of 4 extant genera in the family Lophiidae which the 5th edition of Fishes of the World classifies in the monotypic suborder Lophioidei with the order Lophiiformes. [3] Within the Lophiidae, Sladenia is regarded as the most basal taxon and is the sister group to the other three genera, with Lophiodes being sister group to the clade including Lophiomus and Lophius . [4]

Etymology

Sladenia was named for Percy Sladen (1849–1900), a British echinoderm biologist. The holotype of S. gardineri was collected during an expedition funded by his memorial trust. [5]

Species

There are currently four recognized species in this genus: [1] [6]

Characteristics

Sladenia goosefishes are characterised from the other Lophiid genera by have a rounded head and body rather than a dorsoventrally compressed head and body. They have fewer spines on the head and compressed, rather than depressed, caudal peduncles. They have a smooth ridge running from the eye to the top of the snout. There are large teeth in the middle of the roof of the mouth, with smaller teeth at the sides. There are only 2 dorsal spines on the head, compared to 3 in the other genera, and 1 or 2 dorsal spines behind the head, the fourth spine sometimes being absent. [9] The largest species in the genus is S. zhiu with a maximum published total length of 65 cm (26 in), while the smallest is S. shaeferis with a maximum published standard length of 28 cm (11 in). [6]

Distribution

Sladenia goosefishes are found in the western Atlantic, Indoan and Pacific Oceans. The type species, S. gardineri, is found in the Chagos Archipelago in the central Indian Ocean [10] and has been recorded off New South Wales. [11] S. remiger has a wide range from Sulawesi to Hawaii as far south as New Zealand and Tasmania. [12] S. shaefersi is found in the Western Atlantic Ocean, [9] and S. zhui is found in the East China Sea and the South China Sea. [13]

Related Research Articles

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<i>Lophius</i> Genus of fishes

Members of the genus Lophius, also sometimes called monkfish, fishing-frogs, frog-fish, and sea-devils, are various species of lophiid anglerfishes found in the Atlantic and Indian Oceans. Lophius is known as the "monk" or "monkfish" to the North Sea and North Atlantic fishermen, a name which also belongs to Squatina squatina, the angelshark, a type of shark. The North European species is Lophius piscatorius, and the Mediterranean species is Lophius budegassa.

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<i>Sladenia shaefersi</i> Species of fish

Sladenia shaefersi is a species of fish in the family Lophiidae. It also commonly goes by the name of Shaefer's anglerfish. It was first discovered in the Caribbean Sea off the coast of Colombia and was described in 1976. It grows to 28 cm (11 in) standard length.

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<i>Lophiodes</i> Genus of fishes

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<i>Ectreposebastes</i> Genus of fishes

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<i>Chaetodon gardineri</i> Species of fish

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<i>Caruso brachysomus</i> Extinct species of fish

Caruso brachysomus is an extinct species of ray-finned fish belonging to the family Lophiidae, the goosefishes, monkfishes and anglers, within the order Lophiiformes, the anglerfishes. It was described by Louis Agassiz in 1835 from the Monte Bolca locality. It became extinct during the middle Eocene.

<i>Lophius budegassa</i> Species of fish

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<i>Lophiodes beroe</i> Species of fish

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<i>Lophius vomerinus</i> Species of marine ray-finned fish

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<i>Lophiodes mutilus</i> Species of fish

Lophiodes mutilus, the smooth angler or smooth monkfish, is a species of marine ray-finned fish belonging to the family Lophiidae, the goosefishes, monkfishes and anglers. This species is found in the Indo-Pacific.

<i>Sladenia gardineri</i> Species of fish

Sladenia gardineri, the Indian round angler, is a species of marine ray-finned fish belonging to the family Lophiidae, the goose fishes, monkfishes or anglers. This species is found in the Indo-Pacific.

<span class="mw-page-title-main">Celebes monkfish</span>

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References

  1. 1 2 Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Lophiidae". Catalog of Fishes . California Academy of Sciences . Retrieved 9 March 2024.
  2. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Sladenia". Catalog of Fishes . California Academy of Sciences . Retrieved 9 March 2024.
  3. Nelson, J.S.; Grande, T.C.; Wilson, M.V.H. (2016). Fishes of the World (5th ed.). Hoboken, NJ: John Wiley & Sons. pp. 508–518. doi:10.1002/9781119174844. ISBN   978-1-118-34233-6. LCCN   2015037522. OCLC   951899884. OL   25909650M.
  4. Masaki Miya; Theodore W Pietsch; James W Orr; et al. (2010). "Evolutionary history of anglerfishes (Teleostei: Lophiiformes): a mitogenomic perspective". BMC Evolutionary Biology. 10 (58): 58. Bibcode:2010BMCEE..10...58M. doi: 10.1186/1471-2148-10-58 . PMC   2836326 .
  5. Christopher Scharpf & Kenneth J. Lazara (22 September 2018). "Order LOPHIIFORMES (part 1): Families LOPHIIDAE, ANTENNARIIDAE, TETRABRACHIIDAE, LOPHICHTHYIDAE, BRACHIONICHTHYIDAE, CHAUNACIDAE and OGCOCEPHALIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 23 February 2022.
  6. 1 2 Froese, Rainer and Pauly, Daniel, eds. (2022). Species of Sladenia in FishBase . August 2022 version.
  7. Caruso, John H.; Bullis, Harvey R. (1976). "A review of the lophiid angler fish genus Sladenia, with a description of a new species from the Caribbean Sea". Bulletin of Marine Science. 26 (1): 59–64.
  8. Ni, Yong; Wu, Han-Lin; Li, Sheng (2012). "A new species of the genus Sladenia (Pisces, Lophiidae) from the East China Sea and the South China Sea". Acta Zootaxonomica Sinica. 37 (1): 211–216.
  9. 1 2 "Genus: Sladenia, Anglerfishes, Twospine Goosefish". Shorefishes of the Greater Caribbean online information system. Smithsonian Tropical Research Institute . Retrieved 9 March 2024.
  10. Froese, Rainer; Pauly, Daniel (eds.) (2024). "Sladenia gardineri" in FishBase . February 2024 version.
  11. "Monkfish, Sladenia gardineri". Australian Museum. 6 May 2022. Retrieved 9 March 2024.
  12. Bray, D.J. (2023). "Sladenia remiger". Fishes of Australia. Museums Victoria. Retrieved 9 March 2024.
  13. Froese, Rainer; Pauly, Daniel (eds.) (2024). "Sladenia zhui" in FishBase . February 2024 version.