Halieutopsis

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Halieutopsis
A Broad-snout deepsea batfish (Halieutopsis bathyoreos) from off Christmas Island in the eastern Indian Ocean, July 2021
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Lophiiformes
Family: Ogcocephalidae
Genus: Halieutopsis
Garman, 1899
Type species
Halieutopsis tumifrons
Garman, 1899

Halieutopsis is a genus of marine ray-finned fishes beloning to the family Ogcocephalidae, the deep sea batfishes. The species in this genus are found in the Indian and Pacific Oceans.

Taxonomy[edit]

Halieutopsis was first proposed as a monospecific genus in 1899 by the American zoologist Samuel Garman when he described,[1] giving its type locality given as off the Galapagos Islands.[2] This genus is classified within the "Indo-Pacific clade" of the family Ogcocephalidae.[3] The family Ogcocephalidae is classified in the monotypic suborder Ogcocephaloidei within the order Lophiiformes, the anglerfishes in the 5th edition of Fishes of the World.[4]

Etymology[edit]

Halieutopsis suffixes opsis, meaning "looking like" to halieut which is derived from halieutaea, Greek for an "angler" or "fisherman". This name is a reference to this genus' resemblance to the genus Halieutaea.[5]

Species[edit]

There are currently seventeen recognized species in this genus:[6][7]

Many authorities treat H. vermicularis as a synonym of H. nasuta.[2][9]

Characteristics[edit]

Halieutopsis are distinguished from other Ogcocephaline genera by having no gill filaments on the third and fourth gill arches with teeth typically being found on the fifth ceratobranchial, where they are divided into two well separated, small patches. The illicium is relatively simple and resembles a spine and doe not have a cavity at its base. The esca has two large lateral lobes and a dorsal, middle lobe which typically has cirrhi or skin flaps. The base of the pectoral fin are widely connected to the body. The lateral line is broken, with the part towards the tail runs along the lower body and reaches to just in front of or past the anus with between one and six neuromasts on each side of the anus.[11] The batfishes in this genus are relatively small, typically having standard length of less than 100 mm (3.9 in),[9] with the largest species being H. nasuta with a maximum published total length of 140 mm (5.5 in).[12]

Distribution and habitat[edit]

Halieutopsis batfishes are found in the Indian Ocean and the western and eastern Pacific Oceans[6] in temperate to tropical regions on continental shelves, slopes, and in deeper waters of the Indo-Pacific at depths of between approximately 100 and 4,020 m (330 and 13,190 ft).[11]

References[edit]

  1. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Ogcocephalidae". Catalog of Fishes. California Academy of Sciences. Retrieved 26 May 2024.
  2. ^ a b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Halieutopsis". Catalog of Fishes. California Academy of Sciences. Retrieved 26 May 2024.
  3. ^ Valerie Derouen; William B. Ludt; Hsuan-Ching Ho; Prosanta Chakrabarty (2015). "Examining evolutionary relationships and shifts in depth preferences in batfishes (Lophiiformes: Ogcocephalidae)". Molecular Phylogenetics and Evolution. 84: 27–33. doi:10.1016/j.ympev.2014.12.011.
  4. ^ 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.
  5. ^ Christopher Scharpf (14 November 2022). "Order LOPHIIFORMES (part 1): Families LOPHIIDAE, ANTENNARIIDAE, TETRABRACHIIDAE, LOPHICHTHYIDAE, BRACHIONICHTHYIDAE, CHAUNACIDAE and OGCOCEPHALIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. Retrieved 26 May 2024.
  6. ^ a b Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Halieutopsis in FishBase. April 2012 version.
  7. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Halieutopsis". Catalog of Fishes. California Academy of Sciences. Retrieved 17 February 2023.
  8. ^ a b c d Bradbury, M.G., 1999. A review of the fish genus Dibranchus with descriptions of new species and a new genus, Solocisquama (Lophiiformes, Ogcocephalidae). Proc. Calif. Acad. Sci. 51(5):259-310
  9. ^ a b c d e f g h i j Ho, Hsuan-Ching. 2022. "Taxonomy and Distribution of the Deep-Sea Batfish Genus Halieutopsis (Teleostei: Ogcocephalidae), with Descriptions of Five New Species" Journal of Marine Science and Engineering 10, no. 1: 34. https://doi.org/10.3390/jmse10010034
  10. ^ Ho & Shao (2007). "A new species of Halieutopsis (Lophiiformes: Ogcocephalidae) from western north and eastern central Pacific Ocean" (PDF). Raffles Bulletin of Zoology. Supplement 14: 87–92. Archived from the original (PDF) on 2011-06-06.
  11. ^ a b Bray, D.J. (2022). "Halieutopsis". Fishes of Australia. Museums Victoria. Retrieved 26 May 2024.
  12. ^ Froese, Rainer; Pauly, Daniel (eds.) (2024). "Dibranchus nasutus" in FishBase. February 2024 version.