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Estudo do crescimento e da reprodução de Leptinaria unilamellata (D'orbigny) (Mollusca, Subulinidae) em laboratório

Growth and reproduction of Leptinaria unilamellata (d'Orbigny) (Mollusca, Subulinidae) in laboratory conditions

Resumo

Biological aspects of Leptinaria unlamellata (d'Orbigny, 1835) were studied, such as: onset of sexual maturity, occurrence of self-fertilization and shell length measurement at different stages of development. In isolated specimens of L. unilamellata, sexual maturity was reached at 74 days (minimum time) and 104 days (maximum time). For the grouped specimens, the minimum time was 71 days. The occurrence of self-fertilization was observed in both species, 100% of specimens. The total numberof young per birth varied from one to 22 (average: 7,35 ± 5,78), the total number of offsprings per mollusc varied from two to eight (average: 4,1 ± 1,41) and total number of young per mollusc varied from five to 46 (average: 30,21 ± 8,08). As to the shell length in different growth stages, it was observed that in L. unilamellata, growth rhythm was similar until 15 days for age. After this period grouped specimens showed a high growth rhythm until 105 days after which the growth rhythm of grouped specimens became constant and the growth rhythm isolated specimens became greater. Grouped and isolated specimens reached a maximum size of 18,7 mm and 20,6 mm respectively. In the moment of the sexual maturity, the length of the shell in the individuals that were kept grouped was smaller than the isolated ones for L. unilamellata. In this specie individuals that were kept isolated reach larger length of shell.

Leptinaria unilamellata; biology; growth; reproduction


Leptinaria unilamellata; biology; growth; reproduction

Estudo do crescimento e da reprodução de Leptinaria unilamellata (D'orbigny) (Mollusca, Subulinidae) em laboratório

Growth and reproduction of Leptinaria unilamellata (d'Orbigny) (Mollusca, Subulinidae) in laboratory conditions

Marcelo Nocelle de AlmeidaI,II; Elisabeth Cristina de Almeida BessaI,III

IDepartamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Juiz de Fora. 36036-330 Juiz de Fora, Minas Gerais, Brasil

IIBolsista CAPES. E-mail: mnocelle@bol.com.br

IIIE-mail: bbessa@cpd.ufjf.br

ABSTRACT

Biological aspects of Leptinaria unlamellata (d'Orbigny, 1835) were studied, such as: onset of sexual maturity, occurrence of self-fertilization and shell length measurement at different stages of development. In isolated specimens of L. unilamellata, sexual maturity was reached at 74 days (minimum time) and 104 days (maximum time). For the grouped specimens, the minimum time was 71 days. The occurrence of self-fertilization was observed in both species, 100% of specimens. The total numberof young per birth varied from one to 22 (average: 7,35 ± 5,78), the total number of offsprings per mollusc varied from two to eight (average: 4,1 ± 1,41) and total number of young per mollusc varied from five to 46 (average: 30,21 ± 8,08). As to the shell length in different growth stages, it was observed that in L. unilamellata, growth rhythm was similar until 15 days for age. After this period grouped specimens showed a high growth rhythm until 105 days after which the growth rhythm of grouped specimens became constant and the growth rhythm isolated specimens became greater. Grouped and isolated specimens reached a maximum size of 18,7 mm and 20,6 mm respectively. In the moment of the sexual maturity, the length of the shell in the individuals that were kept grouped was smaller than the isolated ones for L. unilamellata. In this specie individuals that were kept isolated reach larger length of shell.

Key words: Leptinaria unilamellata, biology, growth, reproduction.

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Recebido em 15.XII.2000; aceito em 22.X.2001.

  • ALBUQUERQUE DE MATOS, R.M. 1989. Ciclo vital e reprodução em Helix aspersa com aplicações a helicicultura IV Simp. Intern. Reprod. Animal, Lisboa, 1:115-142.
  • AMATO, S.B. & J.C. BEZERRA. 1989. Parasitismo natural de Bradybaena similaris (Férussac, 1821) por Postharmostomum gallinum Witenberg, 1923. Mem. Inst. Oswaldo Cruz. 84(1):75-79.
  • ARAÚJO, J.L.B. & D.G. KELLER. 1993. Moluscos de importância econômica no Brasil. III. Subulinidae, Leptinaria unilamellata (Orbigny) (Mollusca, Gastropoda, Pulmonata, Stylommatophora). Revta bras. Zool. 10(3):499-507.
  • BESSA, E.C.A. & J.L.B. ARAÚJO. 1995a. Oviposição, tamanho de ovos e medida do comprimento da concha em diferentes fases do desenvolvimento de Subulina octona (Bruguiére) (Pulmonata, Subulinidae) em condições de laboratório. Revta bras. Zool. 12(3):647-654.
  • ______. 1995b. Ocorrência de autofecundação em Subulina octona (Bruguiére) (Pulmonata, Subulinidae) sob condições de laboratório. Revta bras. Zool. 12(3):719-723.
  • DAGUZAN, J. & D. VERLY. 1989. Etude experimentale de l'éffet de la densite sur la reproduction de l'escargot petit-gris (Helix aspersa Muller). Haliotis 19:105-115.
  • DUIVENBODEN, Y.A . VAN; A.W. PIENEMAN & A. TERMAAT. 1985. Multiple mating suppresses fecundity in the hermaphrodite freshwater snail Lymnaea stagnalis: a laboratory study. Anim. Behav. 33(4):1184-1191.
  • DUNDEE, D.S.; M. TIZZARD & M. TRAUB. 1975. Aggregative behavior in veronicellid slugs. Nautilus 89(3):69-71.
  • DUTRA, A.V.C. 1988. Aspectos da ecologia e da reprodução de Leptinaria unilamellata (Orbigny, 1835) (Gastropoda, Subulinidae). Revta bras. Zool. 5(4):581-591.
  • FREITAS, J.S.; D.P. PAULA & M.O. CARIELLO. 1997. The influence of self-fertilization performance and copulation behaviour in reproduction by cross fertilization in groups of Biomphalaria tenagophila (Mollusca, Planorbidae). Mem. Inst. Oswaldo Cruz 92(6):739-743.
  • GOMES. P.A.C.; S. NUERNBERG; M.P. NETO; CP . OLIVEIRA; H.E.B. REZENDE; J.L.B. ARAÚJO & R.P. MELLO. 1975. Biologia da Lymnaeu columella Say, 1817. Arq. Mus. Nac, Rio de Janeiro, 55:67-70.
  • HYMAN, LH . 1967. The Invertebrates. Mollusca I. New York, McGraw-Hill Co., 792p.
  • JURBERG, P.; H.M. BARROS; L.A.L. GOMES & ACS. COELHO. 1988. Superfamília Bulimuloidea do Brasil. Bulimulidae: Thaumastus (Thaumastus) taunaisii (Férussac, 1821), com dados biológicos e aspectos comportamentais (Mollusca, Gastropoda, Pulmonata). Bol. Mus. Nac, n.s. Zoologia, Rio de Janeiro, 317:1-40.
  • LEAHY, W.M . 1977. Sobre a biologia de Bradybaena fruticum Beck (Molusco terrestre) estudos preliminares. Ci. Cult., São Paulo, 29(7):816.
  • MARCUS, E. & E. MARCUS. 1968. Über einige Subulinidae (Pulmonata von São Paulo). Beitr. Neotrop. Fauna 5:186-208.
  • MEAD, AR. 1979. Pulmonates. Volume 2B, Ecomomic Malacology with particular reference to Achatina fulica. London, Academic Press, 150p.
  • MILWARD-DE-ANDRADE, R. 1979. Natalidade de Helisoma duryi e Biomphalaria glabrata, segundo exemplares albinos, pareados. (Mollusca, Planorbidae). Ci. Cult., São Paulo, 31(7):532.
  • OLAZARRI, J. 1986. Lamelaxis gracilis (Hutton, 1834) (Gastropoda: Subulinidae). Com. Soc. Malac. Urug. 6(50):361-365.
  • OLIVEIRA, M.P.; E.L. ALMEIDA; I. VIEIRA & M.H.R. OLIVEIRA. 1968. Comunicação no. 1. Criação de moluscos em terrários e aquários (Uma experiência em laboratório). Juiz de Fora, Esdeva. 15p.
  • OLIVEIRA. M.P.; I. VIEIRA & M.H.R. OLIVEIRA. 1971. Sobre Bradybaena similaris Férussac (Gastropoda, Pulmonata, Stylommatophora, Fruticicolidae). Copula y funcionamiento del oviducto durante el período de fecundacion y formacion del huevo. Com. Soc. Malac. Urug. 3(21):155-161.
  • PARODIZ, J. 1951. Métodos de conquiliometria. Physis 20(58):241-248.
  • PAWSON, P.A. & R. CHASE. 1984. The lyfe-cycle and reproductive activity of Achatina fulica (Bowdich) in laboratory culture. Jour. Moll. Stud. 50:85-91.
  • PEAKE. J. 1978. Distribution and ecology of the Stylommatophora, p. 429-526. In: V. FRETTER & J. PEAKE (Eds). Pulmonates. London, Academic Press, XI+540p.
  • THOMÉ, J.W.; A.E.Q. CARARA; M.T.O. MALLMANN; P.T.C. LOPES & V.I. SCHNEIDER. 1994. Manual de aulas práticas de zoologia: estudo morfo-anatômico de um molusco gastrópode Mesureira. Cadernos EDIPUCRS 5, Sér. Zool., Porto alegre, p. 1-30.
  • ZILCH, A. 1959/1960. Euthyneura. In: W. WENZ (Ed.). Gastropoda. Berlin. Gebruder Borntraeger, Vol. 2, 560p.

Datas de Publicação

  • Publicação nesta coleção
    03 Jun 2009
  • Data do Fascículo
    Dez 2001

Histórico

  • Aceito
    22 Out 2001
  • Recebido
    15 Dez 2000
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