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    Larval intervals of the sea bass, Lates calcarifer, based on the development of swimming and feeding functions.

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    Date
    1994
    Author
    Kohno, H.
    Duray, M.
    Ohno, A.
    Taki, Y.
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    1,488
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    Abstract
    Developmental sequences of characters concerned in swimming and feeding function were examined on laboratory-reared seabass larvae. Based on a scheme of development events constructed in this study, the early life hisory of the species can be divided into the following five phases. A (to about 2.5 mm TL): larvae have no noticeable skeletal structure concerned in swimming and feeding function. B (to about 4.5 mm TL): principal elements of swimming-related characters appear and start to develop; jaw and pharyngeal teeth strt to develop. C (to about 6.0 mm TL): position of the greatest body depth begins to shift bacward; dorsal and anal fin-rays attain to adult commplements; serration-like upper jaw teeth decrease in number and finally disappear. D (to 7.0 - 7.5 mm TL): notochord end flection is completed; conical spper jaw teeth start to develop, replacing the serration-like teeth. E (beyond 7.0 - 7.5 mmTL): larvae can be regarded as reaching juvenile stage in this phase from the view-point of functional morphology, although the first larvae with completely develop fin-ray counts was 10.25 mm TL in this study.
    URI
    http://hdl.handle.net/10862/380
    Type
    Conference paper
    Subject
    Finfishes; Sea bass culture; Larval development; Animal morphology; Swimming apparatus; Feeding apparatus; Philippines; Sea bass; Lates calcarifer
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    • Conference Proceedings [281]


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