スズメダイの卵発生と仔魚前期
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- 藤田 矢郎
- 九州大学農学部水産学教室
書誌事項
- タイトル別名
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- On the egg development and prelarval stage of a damselfish, <I>Chromis notatus</I> (TEMMINCK et SCHLEGEL)
抄録
Chromis notatus (TEMMINCK et SCHLEGEL) is a common pomacentrid fish of southern Japan.<BR>The author carried out the artificial insemination of thisfish on July 18, 1957, at Ushima, in Hikari City, Yamaguchi Prefercture, and reared the hatched larvae for about three days.<BR>The spawning season seems to extend from early July to early September in the vicinity of Hikari City.<BR>The egg is elliptical in shape, with a bundle of tendrils on one end, measuring 0.55-0.60mm in the short axis and 0.74-0.78mm in the long axis. The yolk is colorless with an alveolar structure containing a single oil-globule, measuring 0.21-0.22mm in diameter. The hatching took placein 58.5-70 hours at the water temperature 25.8-28.0°C (Text Figs. A-K).<BR>Larva just hatched (L) is 2.21-2.40mm in total length. The mygtome number is 9+18-19=27-28 (vertebral number of this fish is 10+15=25). The melanophores are present on the head, on the yolk, on the intestine and along the ventral margin of the tail part. Several xanthophores are found aroulld the eyes and on the yolk surface. In three days after hatching the larva (M) reached 2.85mm and the yolk was entirely consumed.
収録刊行物
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- 魚類学雑誌
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魚類学雑誌 6 (4-6), 87-90, 1957
The Ichthyological Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1390001204768498560
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- NII論文ID
- 130003826601
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- ISSN
- 18847374
- 00215090
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可