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Acanthocybium solandri

Acanthocybium solandri (*)

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Euteleosteomorpha
Subcohors: Neoteleostei
Infracohors: Eurypterygia
Sectio: Ctenosquamata
Subsectio: Acanthomorphata
Divisio/Superordo: Acanthopterygii
Subdivisio: Percomorphaceae
Series: Pelagiaria
Ordo: Scombriformes

Familia: Scombridae
Subfamilia: Scombrinae
Genus: Acanthocybium
Species: Acanthocybium solandri
Name

Acanthocybium solandri Cuvier, 1829
Vernacular names
Deutsch: Wahoo
ދިވެހިބަސް: :ކުރު މަސް
English: Wahoo
français: Thazard noir
日本語: カマスサワラ
Nederlands: Wahoo
português: Cavala-da-índia
русский: Ваху
ไทย: ปลาวาฮู, ปลาอินทรีน้ำลึก
Türkçe: Vahu

Wahoo (Acanthocybium solandri) is a scombrid fish found worldwide in tropical and subtropical seas. It is best known to sports fishermen, as its speed and high-quality flesh makes it a prized and valued game fish. In Hawaii, the wahoo is known as ono.[4] The species is sometimes called hoo in the United States.[5]

Distribution

Wahoo have a circumtropical distribution and are found in Atlantic, Pacific and Indian oceans.[6] Population genomic research using RAD sequencing indicates that there are two weakly differentiated fish stocks in the Atlantic and Indo-Pacific oceans, likely with a considerable degree of migration and gene flow between these populations.[6]
Description

Its body is elongated and covered with small, scarcely visible scales; the back is an iridescent blue, while the sides are silvery with a pattern of irregular vertical blue bars. These colors fade rapidly during death. The mouth is large, and the teeth of the wahoo are razor sharp. Both the upper and lower jaws have a somewhat sharper appearance than those of king or Spanish mackerel. Specimens have been recorded at up to 2.5 m (8 ft 2 in) in length, and weighing up to 83 kg (183 lb).[3][7] Growth can be rapid.[7] They are among the fastest fish in the sea.

The wahoo may be distinguished from the related Atlantic king mackerel and from the Indo-Pacific narrow-barred Spanish mackerel by a fold of skin which covers the mandible when its mouth is closed. In contrast, the mandible of the king mackerel is always visible as it is also the case for the smaller Spanish mackerel and Cero mackerel. The teeth of the wahoo are similar to those of king mackerel, but shorter and more closely set together.

The barracuda is sometimes confused with the mackerel and wahoo, but it is easy to distinguish from the latter two species. Barracuda have prominent scales, larger, dagger-like teeth, and lack the caudal keels and blade-like (forked) tail characteristic of the scombrids.
Life cycle

The eggs of the species are buoyant and larvae are pelagic.[6] Wahoo tend to be solitary[8] or occur in loose-knit groups of two or three fish.[9] Where conditions are suitable, they can be found in schools as large as 100 or more.
Ecology

Their diet is made up of other fish and squid.[7] From a study surrounding the Western and Central Pacific Ocean (WCPO), an analysis of the stomach contents of wahoo indicated that their diet consists of 84.64% native fish, 14.26% cephalopods (e.g. cuttle fish), and 1.1% crustaceans. The gender ratio of wahoo favors females over males with ratios ranging from 1:0.9 (Puerto Rico) to 3.5:1 (North Carolina), which is common for most pelagic marine species.[10]

Most wahoo taken from waters have a trematode parasite, the giant stomach worm (Hirudinella ventricosa), living in their stomachs, but it does not appear to harm the fish.[11][12]
Fisheries
Wahoo catch

The flesh of the wahoo is white and/or grey, delicate to dense, and highly regarded by many cuisines. The taste has been said to be similar to mackerel.[13] This has created some demand for the wahoo as a premium-priced commercial food fish. In many areas of its range, such as Hawaii, Bermuda, and many parts of the Caribbean, local demand for the wahoo is met by artisanal commercial fishermen who take them primarily by trolling.
Commercial

Although local wahoo populations can be affected by heavy commercial and sports fishing pressure, wahoo as a species are less susceptible to industrial commercial fishing than more tightly schooling and abundant species such as tuna. Wahoo are regularly taken as a bycatch in various commercial fisheries, including longline fisheries for tuna, billfish, and dolphinfish (mahi-mahi or dorado). It is also taken in tuna purse seine fisheries, especially in sets made around floating objects which act as a focal point for a great deal of other marine life besides tuna. In 2003, the South Atlantic Fishery Management Council issued a Dolphin Wahoo Fishery Management Plan for the Atlantic.[14][15] However, the species as a whole is not considered overfished.[14]
Recreational

In most parts of its range, the wahoo is a highly prized sport fishing catch.[8] It reaches a good size, and is often available not too far from land; it is also a very good fighter on light to medium tackle. It is known in sports fishing circles for the speed and strength of its first run. Recreational sports fishermen sometimes sell their catch.

Wahoo are successfully fished with live bait around deep-water oil and gas platforms in the Gulf of Mexico during the winter months.[5]
References

Collette, B.; Acero, A.; Amorim, A.F.; Boustany, A.; Canales Ramirez, C.; Cardenas, G.; Carpenter, K.E.; de Oliveira Leite Jr.; N.; Di Natale, A.; Die, D.; Fox, W.; Fredou, F.L.; Graves, J.; Guzman-Mora, A.; Viera Hazin, F.H.; Hinton, M.; Juan Jorda, M.; Kada, O.; Minte Vera, C.; Miyabe, N.; Montano Cruz, R.; Nelson, R.; Oxenford, H.; Restrepo, V.; Salas, E.; Schaefer, K.; Schratwieser, J.; Serra, R.; Sun, C.; Teixeira Lessa, R.P.; Pires Ferreira Travassos, P.E.; Uozumi, Y.; Yanez, E. (2011). "Acanthocybium solandri". IUCN Red List of Threatened Species. 2011: e.T170331A6750961. doi:10.2305/IUCN.UK.2011-2.RLTS.T170331A6750961.en. Retrieved 19 November 2021.
Cuvier G. & Valenciennes A. (January 1832). Histoire naturelle des poissons. Tome huitième. Livre neuvième. Des Scombéroïdes. Historie naturelle des poissons. v. 8: i-xix + 5 pp. + 1-509, Pls. 209-245. [Cuvier authored pp. 1-470; Valenciennes 471-509. Date of 1831 on title page. i-xv + 1-375 in Strasbourg edition.]
Froese, Rainer; Pauly, Daniel (eds.) (2018). "Acanthocybium solandri" in FishBase. February 2018 version.
"Wahoo (Ono)". Hawaii-Seafood.org. Retrieved 2019-11-11.
Sloan, Robert (September 21, 2007). "Live-Line A 'Hoo". Saltwater Sportsman. Bonnier. Retrieved January 4, 2019.
Haro-Bilbao, Isabel; Riginos, Cynthia; Baldwin, John D.; Zischke, Mitchell; Tibbetts, Ian R.; Thia, Joshua A. (2021). "Global connections with some genomic differentiation occur between Indo-Pacific and Atlantic Ocean wahoo, a large circumtropical pelagic fish". Journal of Biogeography. doi:10.1111/jbi.14135.
Mike Lane. Angler's Guide to Fishes of the Gulf of Mexico. Pelican Publishing. pp. 361–. ISBN 978-1-4556-0032-8.
Wendy Sweetser (2009). The Connoisseur's Guide to Fish & Seafood. Sterling Publishing Company, Inc. pp. 94–. ISBN 978-1-4027-7051-7.
Lenny Rudow (23 April 2012). Rudow's Guide to Fishing the Mid Atlantic. Geared Up Publications. pp. 192–. ISBN 978-0-9787278-0-2.
Dai, Xiaojie; Gao, Chunxia; Kindong, Richard; Tian, Siquan (2020). "Biology and Environmental Preferences of Wahoo, Acanthocybium solandri (Cuvier,1832), in the Western and Central Pacific Ocean (WCPO)". Journal of Marine Science and Engineering. 8 (3): 184. doi:10.3390/jmse8030184.
"Wahoo Fast Facts". Florida Fish and Wildlife Conservation Commission. Retrieved June 15, 2012.
Williams Jr., William H.; Bunkley-Williams, Lucy (1996). "Parasites of Offshore Big Game Fishes of Puerto Rico and the Western Atlantic" (PDF). University of Puerto Rico at Mayagüez. Retrieved June 15, 2012.
Robson Green (23 May 2013). Extreme Fishing. Simon and Schuster. pp. 115–. ISBN 978-1-4711-2750-2.
"Dolphin/Wahoo". South Atlantic Fishery Management Council. Retrieved June 15, 2012.

"Fishery Management Plan for the Dolphin and Wahoo Fishery of the Atlantic" (PDF). South Atlantic Fishery Management Council. January 2003. Retrieved June 15, 2012.

Further reading
Zischke, Mitchell T.; Griffiths, Shane P.; Tibbetts, Ian R. (22 May 2013). "Rapid growth of wahoo (Acanthocybium solandri) in the Coral Sea, based on length-at-age estimates using annual and daily increments on sagittal otoliths". ICES Journal of Marine Science. 20 (6): 1128–1139. doi:10.1093/icesjms/fst039.
Zischke, Mitchell T.; Farley, Jessica H.; Griffiths, Shane P.; Tibbetts, Ian R. (December 2013). "Reproductive biology of wahoo, Acanthocybium solandri, off eastern Australia". Reviews in Fish Biology and Fisheries. 23 (4): 491–506. doi:10.1007/s11160-013-9304-z. S2CID 6010481.

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