Journal of Ichthyology and Aquatic Biology Vol
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aqua Journal of Ichthyology and Aquatic Biology Vol. 8 (3), June 2004 Aquapress ISSN 0945-9871 aqua - Journal of Ichthyology and Aquatic Biology Managing Editor: Scope and aims is an international journal which publishes original Heiko Bleher aqua scientific articles in the fields of systematics, taxonomy, Via G. Falcone 11, 27010 Miradolo Terme (PV), Italy biogeography, ethology, ecology, and general biology of Tel.: +39 0382 754707/08 - Fax: +39 0382 754129 fishes, amphibians, aquatic invertebrates, and plants. e-mail: [email protected] Papers on freshwater, brackish, and marine organisms will be considered. aqua is fully refereed and aims at Scientific Editor: publishing manuscripts within 2-4 months of acceptance. 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China © 2004 aqua , Journal of Ichthyology and Aquatic Biology aqua, Journal of Ichthyology and Aquatic Biology A new species of combtooth blenny Scartella Jordan, 1886 (Teleostei: Blenniidae) from Trindade Island, Brazil 1* 2 3 Carlos A. Rangel , João Luiz Gasparini , and Ricardo Z. P. Guimarães 1) Setor de Ictiologia, Departamento de Vertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, Quinta da Boa Vista, s/n, São Cristóvão, Rio de Janeiro, RJ, 20940-040, Brazil. E-mail: [email protected] 2) Dept. de Ecologia, UFES, Caixa Postal 5130, Vitória, ES, 29040-090, Brazil. E-mail: [email protected] 3) Laboratório de Biodiversidade de Recursos Pesqueiros, Departamento de Biologia Marinha, Universidade Federal do Rio de Janeiro, Cidade Universitária, Rio de Janeiro, RJ, 21.941-569, Brazil. E-mail: [email protected] * Corresponding author Accepted: 19.11.2003 Keywords antes: tête et corps couverts de petites taches noires, Blenniidae, Scartella , Trindade Island, Brazil, nombre de rayons segmentés de la dorsale de 14 en western South Atlantic, new species, reef oceanic moyenne, nombre de rayons segmentés de l'anale de islands 16 en moyenne et nombre de vertèbres caudales de 23 en moyenne. Il s'agit de la cinquième espèce de Abstract Scartella identifiée dans l'Atlantique. A new species of Scartella is described from Trindade Island (20°30’S, 29°20’W), a volcanic for - Resumo mation which lies about 1160 km off the Brazilian Uma nova espécie de Scartella é descrita para a coast. The new species differs from its Atlantic con - Ilha da Trindade (20°30’S, 29°20’W), formação vul - geners by the following combination of characters: cânica distante cerca de 1160 km da costa leste do body and head speckled with small black spots, num - Brasil. A nova espécie difere das suas congêneres do ber of segmented dorsal fin rays modally 14, number Atlântico pela seguinte combinação de caracteres: of segmented anal fin rays modally 16, and number of corpo e cabeça com pequenas manchas negras, caudal vertebrae modally 23. This species is the fifth modalmente 14 raios dorsais segmentados, modal - species of Scartella recognised from the Atlantic mente 16 raios anais segmentados e modalmente 23 Ocean. vértebras caudais. Essa espécie é a quinta espécie de Scartella reconhecida para o Oceano Atlântico. Zusammenfassung Beschrieben wird eine neue Art zu Scartella von der Sommario Insel Trindade (20°30‘S, 29°20‘W), einer vulkanis - Una nuova specie di Scartella è descritta dall’Isola chen Formation, die rund 1160 km von der brasilian - Trindade (20°30'S, 29°20'W), una formazione di orig - ischen Küste entfernt liegt. Die neue Art unterscheidet ine vulcanica posta a circa 1160 km dalle coste del sich von den Verwandten im Atlantik durch die Kom - Brasile. Questa nuova specie si differenzia dai suoi bination der folgenden Merkmale: Rumpf und Kopf mit congeneri dell’Atlantico per la seguente combi - kleinen schwarzen Flecken übersät; Zahl der nazione di caratteri: corpo e coda cosparsi di piccole Stacheln der geteilten Rückenflosse modal 14, Zahl macchie nere, moda del numero di raggi dorsali seg - der Stacheln der geteilten Afterflosse modal 16 und mentati 14, moda del numero dei raggi anali segmen - Zahl der Schwanzwirbel modal 23. Dies ist die fünfte tati 16, moda del numero delle vertebre caudali 23. Scartella- Art, die aus dem Atlantischen Ozean Rappresenta la quinta specie del genere Scartella bekannt wurde. descritta nell’Oceano Atlantico. Résumé Introduction On décrit ici une nouvelle espèce de Scartella de l'île The circumtropical blenniid genus Scartella (Jordan, Trindade (20° 30' S, 29° 20' W), une formation vol - 1886) is frequently encountered in tropical waters and canique située à 1160 km au large de la côte brésili - on reefs (Springer, 1993), particularly in shallow habi - enne. La nouvelle espèce se distingue de ses con - tats such as tide pools (Randall, 1996). According to génères atlantiques par les caractéristiques suiv - Bath (1990), species of Scartella are separated by the 89 aqua vol. 8 no. 3 - 2004 A new species of combtooth blenny Scartella Jordan, 1886 (Teleostei: Blenniidae) from Trindade Island, Brazil number of segmented dorsal and anal rays, the num - & Wanscher (1961). Type specimens were deposited ber of caudal vertebrae, the number of nuchal cirri, in the collections of Museu Nacional, Rio de Janeiro, and by colour patterns. They are found throughout the Brazil (MNRJ), Laboratório de Biodiversidade de world, from the Mediterranean Sea, the Atlantic and Recursos Pesqueiros, Universidade Federal do Rio Indian Ocean coasts of Africa to Mozambique, and de Janeiro, Brazil (LBRP), Museu de Biologia Profes - from Pakistan, India, Ceylon, Taiwan, Japan, and sor Mello Leitão, Espírito Santo, Brazil (MBML), Tonga. In the western Atlantic the genus is repre - Museu de História Natural, Universidade Estadual de sented in Bermuda, Florida, Central America, the Campinas, Brazil (ZUEC), Coleção Zoológica, Univer - Caribbean Islands and along the coasts of Colombia sidade Federal do Espírito Santo, Brazil (UFES), and and Venezuela to southern Brazil (Bath, 1990). Four the National Museum of Natural History (USNM). species are currently recognised from the Atlantic: Institutional abbreviations for additional and compara - Scartella cristata (Linnaeus, 1758), in the western tive material examined are as listed in Leviton et. al. Atlantic from Bermuda and the Caribbean Sea to (1985), except for LBRP (Laboratório de Biodiversi - south-eastern Brazil, and in the eastern Atlantic from dade de Recursos Pesqueiros, Universidade Federal the Mediterranean Sea and north-western Morocco to do Rio de Janeiro, Brazil) and UFPB (Universidade South Africa; S.