Gastropoda (Mollusca) associated to Sargassum sp beds in Sao Sebastiao Channel - Sao Paulo, Brazil

Autor(es)

dos Santos Longo, Pedro Augusto ^[1] ; Fernandes, Marjorie Cattaneo ^[1] ; Pereira Leite, Fosca Pedini ^[1] ; Passos, Flavio Dias ^[1]

Afiliação do(s) autor(es)

^[1] Univ Estadual Campinas, Inst Biol, Dept Biol Anim, Rua Monteiro Lobato 255, BR-13083862 Campinas, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Biota Neotropica; v. 14, n. 4 OCT-DEC 2014.
• Citações Web of Science: 7

Resumo

The phytal is characterized by the formation of seaweed beds and a great diversity of associated species, the malacofauna being one of its main components. Aiming to record the species of Gastropoda associated to the brown algae Sargassum sp. C. Agardh, 1820, this study was carried out in Sao Sebastiao Channel, northern coast of Sao Paulo, and nearby areas. A total of 13945 individuals were identified, belonging to 35 families and 62 species. Cerithiidae, Phasianellidae and Columbellidae were the most abundant families, represented by 34, 33 and 17% of the total collected individuals, respectively. Bittiolum varium (Pfeiffer, 1840) (Cerithiidae) and Eulithidium affine (C. B. Adams, 1850) (Phasianellidae) are the dominant species, followed by the columbelids Mitrella dichroa (G. B. Sowerby I, 1844), Anachis fenneli Radwin, 1968 and Costoanachis sertulariarium (d'Orbigny, 1839). Among the least abundant species, some of them may be considered as of fortuitous occurrences, while others seem to be typical in those habitats, although rare. The presence of juvenile specimens was recurrent, this indicating that the algae can function as a nursery for most of these species. The expressive values found, for both abundance and number of species, illustrate the great ecological importance of the phytal habitats for the gastropod species. (AU)

• Processo FAPESP: 12/09374-8 - Taxonomia de gastrópodes (Mollusca) associados às algas pardas do gênero Sargassum c. Agardh, 1820 (Sargassaceae) do Canal de São Sebastião e Ubatuba, litoral norte do estado de São Paulo
• Beneficiário: Pedro Augusto dos Santos Longo
• Modalidade de apoio: Bolsas no Brasil - Iniciação Científica