Mugil liza Valenciennes, 1836

Menezes, Naércio A., Oliveira, Cláudio De & Nirchio, Mauro, 2010, An old taxonomic dilemma: the identity of the western south Atlantic lebranche mullet (Teleostei: Perciformes: Mugilidae), Zootaxa 2519, pp. 59-68 : 61-62

Mugil liza Valenciennes, 1836

Fig. 1

Mugil liza Valenciennes in Cuvier & Valenciennes 1836: 83 ( Brazil, Puerto Rico, Maracaibo, Cuba, Martinique, Surinam, Cayenne, Buenos Aires; lectotype: MNHN A-4659, Martinique Island, West Indies, designated by Harrison 1993: 146; different lectotype (A-1051) erroneously designated by Thomson, 1997: 472; paralectotypes: MNHN 6307 (1), Buenos Aires, A-1050 (1, dry), Cayenne, A-3668 (1), Suriname, A-4642 (1, dry), Maracaibo, A- 4656 (1, dry), Maracaibo, A-4657 (1, dry), Maracaibo, A-5769 (1) Puerto Rico (not Martinique); Steindachner, 1879: 26 (only specimens from Río Magdalena, Colombia); Thomson, 1978 [(unpaginated), only specimens originating from the West Indies to Natal, Brazil)]; 1997: 492 (West Indies to Brazil); Menezes, 1983: 4 (only specimens originating from Caribbean Islands to Rio de Janeiro, Brazil; 2003: 65 (only specimens originating from the West Indies to Rio de Janeiro, Brazil); Menezes & Figueiredo, 1985: 23 (only specimens originating from the West Indies to Rio de Janeiro, Brazil); Cervigón, 1992: 363 (northern coast of South America); Bencomo, Borjas & Castillo, 1997: 159 ( Venezuela); Aguilera, 1998: 51 ( Venezuela); Marin, 2000: 76 ( Venezuela); Eiras-Stofella, Chavert-Almeida, Fanta & Vianna, 2001: 122 (southeastern Brazil; ultrastructure of gills); Lopez, Morgan & Montenegro, 2002: 64 ( Argentina, listed); Lopez, Miquelarena & Menni, 2003: 78 ( Argentina); Harrison, 2003: 1084 (only specimens originating from the West Indies to Rio de Janeiro, Brazil); Araújo, Teixeira & Oliveira, 2004: 78 (northeastern Brazil).

Mugil brasiliensis Spix & Agassiz, 1831: 134 [(misprinted 234), pl. 72; type locality: Atlantic off Brazil]. Name suppressed and placed on Official Index Opinion 1787. Steindachner, 1876: 88 (only specimens from Brazil); Jordan & Evermann, 1896: 810 ( Cuba to Patagonia); Evermann & Marsh, 1902: 112 ( Puerto Rico); Fowler, 1903: 743 ( Brazil, Surinam, St. Martin); 1936: 586 (West Indies, Brazil, Surinam); Meek & Hildebrand, 1923: 274 (West Indies to Brazil); Schultz, 1949: 111 ( Venezuela); Ringuelet & Aramburu, 1960: 57 ( Argentina, listed); Cervigón, 1993: 371 ( Venezuela).

Mugil lebranchus Poey, 1860: 251 , pl. 18 ( Cuba to Patagonia)

Mugil lisa Ribeiro, 1915 [(unpaginated), Brazil].

Mugil platanus Günther, 1880: 9 (type locality: Río de la Plata, Buenos Aires, Argentina); Jordan & Swain, 1884: 266 ( Argentina); Ribeiro, 1915 [(unpaginated), Brasil]; Ringuelet & Aramburu, 1960: 57 ( Uruguay and Argentina); 1961: 57 ( Argentina, listed); Menezes, 1983: 5 (Rio de Janeiro, Brazil to Argentina); Menezes & Figueiredo, 1985: 24 (Rio de Janeiro, Brazil to Argentina); 2003: 65 (Rio de Janeiro, Brazil to Argentina); Eiras-Stofella, Chavert- Almeida, Fanta &Vianna, 2001: 122 (southern Brazil; ultrastructure of gills): Lopez, Miquelarena & Menni 2003: 78 ( Argentina); Menni, 2004; 85 ( Argentina); Cousseau, Castro, Figueroa & Gosztoni, 2005: 138 –139 ( Argentina; Rio Grande do Sul, Brazil); Castro, Heras, Cousseau & Roldán, 2007: 322 –324 (southern Brazil and Argentina).

Mugil cephalus (not of Linnaeus, 1758); Ribeiro, 1915 [(unpaginated), Brazil, listed]; Thomson, 1978 [(unpaginated), only specimens originating from the West Indies to Brazil]; 1997, 483 (only specimens from Brazil); Cervigón, 1992: 361 (northern South America); Keith, Le Ball & Planquette, 2000: 22 ( French Guiana); Camargo & Isaac, 2001: 141 (northern Brazil); Harrison, 2003: 1079 (only specimens originating from the West Indies to Argentina).

Material examined: MZUSP 76404, 1, SL 54.3 mm, Venezuela, Falcón: mangrove near road San Juan de los Cayos-Capadare, 11º10’N, 63º26’W; LBP 6064, 6, SL 188–207 mm, Isla Margarita, Nueva Esparta: Boca de Rio, approximately 11º00’S, 64º10’W; MZUSP 67422, 1, SL 280 mm, Brazil, Maranhão: coast of Maranhão; MZUSP 67415, 67419, 8, SL 134–395 mm, Alagoas: Lagoa Mundaú, 09º37’S, 35º36’W; MZUSP 67421, 1, SL 365 mm, Sergipe: rio Sergipe, 10º51’S, 37º00’W; MZUSP 67418,1, SL 23.3 mm, Rio de Janeiro: Atafona, 21º37’S, 41º01’W; MZUSP 49087, 55474, 67431, 8, SL 68–137 mm: Cabo Frio, 22º52’S, 42º01’W; MZUSP 2319, 1, SL 146 mm: Ilha Grande, 23º09’S, 44º13’W; MZUSP 28291-292, 17, SL 80–292 mm: mouth of rio da Guarda, Itaguaí, 22º57’S, 43º11’W; MZUSP 67416, 1, SL 193 mm: Copacabana, 22º58’S, 43º11’W; MZUSP 67433, 1, SL 319 mm, São Paulo: Ubatuba, 23º26’S, 45º04’W; MZUSP 67423, 1, SL 203 mm: São Sebastião, 23º45’S, 45º24’W; MZUSP 67429, 1, SL 407 mm: Ilha dos Búzios, 1, SL 407 mm: 23º48’S, 45º08’W; MZUSP 67445, 1, SL 48 mm: Santos, 23º57’, 46º19’W; MZUSP 67424, 1, SL 290 mm: São Vicente, 23º57’S, 46º23’W; MZUSP 67426, 1, SL 218 mm: Guarujá, 23º59’S, 46º59’W; MZUSP 44703-704, 2, SL 263–284 mm: Itanhaém, 24º11’S, 46º41’W; MZUSP 67417, 1, SL 260 mm: Valo Grande, 24º41’S, 47º34’W; MZUSP 67430, 74843, 3, SL 54.5– 152 mm: Cananéia, 25º01’S, 47º55’W; MZUSP 67427, 1, SL 287 mm, Paraná: Guaraguaçu, Baía de Paranaguá, 25º27’S, 48º25’W; MZUSP 6531, 3, SL 241–332 mm: market in Paranaguá, 25º31’S, 48º27’W; MZUSP 14328-329, 14331, 14334-336, 14338-343, 67425, 67434, 67436, 64, SL 31–317 mm, Rio Grande do Sul; Tramandaí, 29º58’S, 50º10’W; MZUSP 67446, 4, SL 228– 366 mm: Saco do Justino, Lagoa dos Patos, 31º09’S, 51º25’W; MZUSP 67447, 4, SL 243–328 mm: Praia do Cassino, 8 kilometers south of Molhes, 32º10’S, 52º10’W; MZUSP 67440, 9, SL 24.5–37.5 mm, Rio Grande: Saco do Justino, south of Lagoa Mangueira, 32º03’S, 52º05’W; MZUSP 67441, 6, SL 24–40 mm: stream in praia of Sarita, about 12 kilometers from light, 32º38’S, 52º27’W; MZUSP 2318, 4, SL 172–314 mm, Uruguay: market in Montevideo, 34º53’S, 56º04’W; LBP 6279, 1, SL 343 mm, Argentina: 36º10’S, 56º43’W.

Diagnostic characters. Morphometric data presented in table 1. First dorsal fin with 4 slender spines. Second dorsal fin with with 1 unbranched and 8 branched rays. Pectoral fin with 1 unbranched and 14–17 branched rays. Pelvic fin with 1 slender spine and 5 branched rays. Anal fin with 3 spines and 8 branched rays in adult specimens and 2 spines and 9 branched rays in specimens smaller than 30 mm SL. Dorsal and anal fins mostly naked with small scales only at their basal portions. Transverse scale rows 29–39 (32–39 in the studied material). Horizontal scale rows around caudal peduncle 17–20. Gill rakers close-set, 22–80 on ceratobranchial portion of first gill arch, increasing in number with increase in standard length ( Fig. 2 ). Vertebrae 24–25 (n = 24, mean = 24.6, SD = 0.5).

Body dark dorsally, silvery on sides and whitish on abdominal region. Variable number of dark stripes along sides of body aligned with horizontal scale rows along sides of body. All fins pale. Dorsal, pectoral anal and caudal fins with scattered dark chromatophores.

Figures

FIGURE 1. Mugil liza, LBP 6064, 188 mm SL, left lateral view.

FIGURE 2. Regression of number of gill rakers versus standard length for specimens of Mugil liza within the range of the species.