Mackerel scad
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| Decapterus macarellus | ||||||||||||||
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 Mackerel scad (Decapterus macarellus)
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| Decapterus macarellus (Cuvier, 1833) |
The Mackerel scad, Decapterus macarellus, is a species of fish of the family, Carangidae. While Mackerel scad are considered gamefish, they are usually used as bait[1].
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[edit] Description
The largest Mackerel scad recorded was 46 cm long[2] .They have elongated bodies that look somewhat circular when viewed head on[1]. They are distinguishable by a small, detached fin, located between the dorsal and caudal fins[3]. Mackerel scad have 9 spines and 31-36 rays on their dorsal fins, while there are 7 spines and 27-30 ray's on their anal fins [1].
The Mackerel scad's fins are black metallic to blue green and its belly is white [1]. The edge of the operculum has a small, black spot [4], while there are no spots on the lateral line[5]. Makeral scad's caudal fins have been described as reddish [5] to yellow-green [4] .
[edit] Distribution and habitat
The Makerel scad's range covers most of the world's oceans. In the western Atlantic, they have been found off Nova Scotia and Bermuda, south to Rio de Janero [6], although they do not seem common in the Gulf of Mexico [7]. In the eastern Atlantic, Makerel scad have been found off St. Helena, Ascension island, and Cape Verde[8].They have also been recorded in the Gulf of Guinea[8], The Azores, and Madeira[9]. In the Indian ocean, Makerel scad have been found in the Red sea and the Gulf of Aden they are also known from South Africa, the Mascarenes, the Seychelles, and Sri Lanka[10]. In the eastern Pacific, they are known fromRevillagigedo Island, the Gulf of California, and the coast of Ecuador[11].
Mackerel scad usually live in sub-tropical seas at depths up to 400 m[1]. They prefer clear water, and a frequently found around islands [12]. Although Mackerel scad have been found at the surface, they are usually caught at depths between 40 and 200 meters[7]. They feed mainly on zooplankton[13].
[edit] References
- ^ a b c d e "Fishbase.org entry on Mackerel scad". http://www.fishbase.org/Summary/SpeciesSummary.php?id=992. Retrieved on 2008-08-20.
- ^ Jiménez Prado, P. & P. Béarez, 2004. Peces Marinos del Ecuador continental. Tomo 2: Guía de Especies / Marine fishes of continental Ecuador. Volume 2: Species Guide. SIMBIOE/NAZCA/IFEA
- ^ "GMA.org entry on Mackerel scad". http://www.gma.org/fogm/Decapterus_macarellus.htm. Retrieved on 2008-08-20.
- ^ a b Smith-Vaniz, W.F., 1986. Carangidae. p. 638-661. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin.
- ^ a b Randall, J.E. 1996 Caribbean reef fishes. Third edition - revised and enlarged. T.F.H. Publications, Inc. Ltd., Hong Kong. 3nd ed. 368 p.
- ^ Floeter, S.R., J.L. Gasparini, L.A. Rocha, C.E.L. Ferreira, C.A. Rangel and B.M. Feitoza, 2003. Brazilian reef fish fauna: checklist and remarks (updated Jan. 2003). Brazilian Reef Fish Project: www.brazilianreeffish.cjb.net.
- ^ a b Cervigón, F. 1993 Los peces marinos de Venezuela. Volume 2. Fundación Científica Los Roques, Caracas,Venezuela. 497 p.
- ^ a b Smith-Vaniz, W.F., J.C. Quéro and M. Desoutter, 1990. Carangidae. p. 729-755. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2.
- ^ Smith-Vaniz, W.F., 1986. Carangidae. p. 815-844. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, Paris. vol. 2.
- ^ Smith-Vaniz, W.F., 1984. Carangidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 1. [pag. var.]. FAO, Rome.
- ^ Smith-Vaniz, W.F., 1995. Carangidae. Jureles, pámpanos, cojinúas, zapateros, cocineros, casabes, macarelas, chicharros, jorobados, medregales, pez pilota. p. 940-986. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome.
- ^ Cervigón, F., R. Cipriani, W. Fischer, L. Garibaldi, M. Hendrickx, A.J. Lemus, R. Márquez, J.M. Poutiers, G. Robaina and B. Rodriguez, 1992. Fichas FAO de identificación de especies para los fines de la pesca. Guía de campo de las especies comerciales marinas y de aquas salobres de la costa septentrional de Sur América. FAO, Rome. 513 p. Preparado con el financiamento de la Comisión de Comunidades Europeas y de NORAD.
- ^ Smith-Vaniz, W.F., 1995. Carangidae. Jureles, pàmpanos, cojinùas, zapateros, cocineros, casabes, macarelas, chicharros, jorobados, medregales, pez pilota. p. 940-986. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome.
