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    Spawning and larval development of a tropical abalone Haliotis asinina (Linne)

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    Date
    1995
    Author
    Capinpin, Emmanuel C.
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    Abstract
    Dessication, thermal shock, ultraviolet-irradiated seawater, and hydrogen peroxide, singly or in combination, failed to induce the tropical abalone, Haliotis asinina to spawn viable number of eggs or sperm. However, natural spontaneous spawnings occurred frequently and fertilized eggs with an average size of 180 µm were obtained. Trochophore larvae hatched 5.2-5.6 h after fertilization (27.7-30.2°C). Veliger larvae were observed 8 h after fertilization and achieved creeping ability 30 h after fertilization. Competent larvae settled within 2-3 d on prepared diatom plates and juveniles forming the first respiratory pore were observed after 30 d.
    URI
    http://hdl.handle.net/10862/1473
    Suggested Citation
    Capinpin, E. C. (1995). Spawning and larval development of a tropical abalone Haliotis asinina (Linne). Philippine Journal of Science, 124(3), 215-232.
    Type
    Article
    ISSN
    0031-7683
    Subject
    Aquaculture development; Aquaculture techniques; Biological data; Mollusc culture; Rearing; Seed production; Oviposition; Drying; Ultraviolet irradiation; Hydrogen peroxide; Fertilization; Haliotis asinina; Abalones
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    • Journal Articles [1108]


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