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A new species of Calma Alder & Hancock, 1855 (Gastropoda: Nudibranchia) with a review of the genus

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Resumo:This paper presents the description of a new species of the genus Calma (Alder & Hancock, 1855). To date only one valid species, Calma glaucoides (Alder & Hancock, 1854), has been assigned to this genus, which feeds exclusively upon eggs of littoral teleost fishes. New morphological and ecological data, and review of the literature on the species attributed to this genus, lead us to conclude that there are two distinct species previously put together under the same specific name. Calma gobioophaga new species is described based upon consistent morphological differences, such as the diameter and position of the eyes, the size of the propodial tentacles, and the size of the metanefridium. Whereas Calma gobioophaga feeds on spawn of Gobius niger, Calma glaucoides feeds on eggs of Lepadogaster lepadogaster, Lepadogaster purpurea, Lepadogaster candollei, Parablennius gattorugine, and Parablennius pilicornis.
Autores principais:Calado, Gonçalo
Outros Autores:Urgorry, Victoriano
Ano:2002
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Ispa-Instituto Universitário
Idioma:inglês
Origem:Repositório do Ispa - Instituto Universitário

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