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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.
Page views
2,312
Subject
aquaculture development ASFA
aquaculture techniques ASFA
biological data ASFA
fertilization ASFA
mollusc culture ASFA
rearing techniques ASFA
seed production ASFA
oviposition ASFA
drying ASFA
ultraviolet irradiation AGROVOC
hydrogen peroxide AGROVOC
Haliotis asinina AGROVOC
abalones AGROVOC
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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. http://hdl.handle.net/10862/1473
Type
Article
ISSN
0031-7683
Collections
  • Journal Articles [1156]


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