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vol.55 issue1Comunidades de quitones (Mollusca: Polyplacophora) de la Bahía de La Paz, Baja California Sur, MéxicoDaily cycle and body characteristics of mating Litopenaeus vannamei shrimps (Decapoda: Penaeidae) in the wild off southern Sinaloa, Mexico author indexsubject indexarticles search
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Revista de Biología Tropical

On-line version ISSN 0034-7744Print version ISSN 0034-7744


GONGORA GOMEZ, Andrés Martín; DOMINGUEZ OROZCO, Ana Laura; MUNOZ SEVILLA, Norma Patricia  and  RODRIGUEZ GIL, Luis Alfonso. Obtención de masas ovígeras del caracol lancetilla, Strombus pugilis (Mesogastropoda: Strombidae) en condiciones de laboratorio. Rev. biol. trop [online]. 2007, vol.55, n.1, pp.183-188. ISSN 0034-7744.

Obtaining of egg masses of the snail, Strombus pugilis (Mesogastropoda: Strombidae) under laboratory conditions. The survival, reproduction and embryonic development of Strombus pugilis, were determined during a period of ten months under laboratory conditions. Seven progenitors were collected in Contoy Island, Quintana Roo, Mexico and later transferred to the laboratory, where they were placed in aquarium with 80 l of sea water and fed with "pellets". A total of 30 egg masses were collected, one on September and the other on April. The estimated total length of one egg mass was 11.24 m; the mean number of embryos obtained per 2 cm was 264, obtaining an estimated total of 157 500 embryos in the egg mass. The means of the physical-chemical parameters during the study were: salinity 37.6±0.5 ‰, pH 7.5±0.5 and temperature 28±0.2 °C. The maintenance and water recirculation system used to sustain the breading stock is excellent both for reproduction of the organism and for obtaining egg masses under controlled conditions. Rev. Biol. Trop. 55 (1): 183-188. Epub 2007 March. 31.

Keywords : Strombus pugilis; Strombidae; egg masses; aquaculture; Mexico.

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