タチウオ仔稚魚の生態と感覚器の発達

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タイトル別名
  • Development of the sense organs of ribbonfish Trichiurus lepturus larvae and juveniles.
  • タチウオ仔稚魚の生態と感覚器の発達〔英文〕
  • タチウオ シチギョ ノ セイタイ ト カンカクキ ノ ハッタツ エイブン

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抄録

The morphology of the sense organs of the larvae and juveniles of the ribbonfish Trichiurus lepturus in Wakasa Bay was examined to obtain insights on changes in behavior and habitats with growth of the fish. Development of the sense organs proceeded in accord with the rest of the morphological development of the larvae and juveniles. Sense organs required for feeding were formed at the onset of exogenous feeding. The taste buds first appeared at the begining of the postlarval period and increased in number in association with the pharyngeal teeth and gill arches. During the late phase postlarval period, the lateral line canal on the head and the olfactory rescue were formed. The retinae became duplex and developed horizontal cells in three layers; this is inferred to be advantageous for a piscivorous feeding habit. The presence of well developed sense organs synchronized with the active migration of postlarvae from offshre to coastal waters.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 55 (12), 2075-2078, 1989

    公益社団法人 日本水産学会

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