Development of embryos and larvae in the common Japanese conger Conger myriaster.
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- HORIE NORIYUKI
- IRAGO Institute
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- UTOH TOMOKO
- IRAGO Institute
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- YAMADA YOSHIAKI
- IRAGO Institute
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- OKAMURA AKIHIRO
- IRAGO Institute
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- ZHANG HUAN
- Department of Marine Sciences, University of Connecticut
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- MIKAWA NAOMI
- IRAGO Institute
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- AKAZAWA ATSUSHI
- IRAGO Institute
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- TANAKA SATORU
- IRAGO Institute
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- OKA HIDEO
- IRAGO Institute
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抄録
Development of embryos and larvae in the common Japanese conger Conger myriaster was observed after artificial fertilization. Eggs were obtained from females matured artificially by hormone injections and milt was obtained from males matured naturally. Fertilized eggs were kept in seawater at 12-14°C. The first cleavage occurred at 4 h, epiboly began at 24 h, the embryonic body was formed at 38 h and hatching occurred at 84 h after insemination. Newly hatched larvae were approximately 2.5 mm (total length) and similar to those of Anguilla japonica in terms of external features. The mouth and anus opened on the 7th day after hatching. Pigments began to appear at the tip of the tail on the 10th day. The total length of the larvae reached approximately 8 mm on the 11th day. Eye pigmentation began on the 14th day. One larva lived for 19 days without food.
収録刊行物
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- Fisheries science
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Fisheries science 68 (5), 972-983, 2002
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390282679404827008
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- NII論文ID
- 10009716417
- 130003742463
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- NII書誌ID
- AA10993718
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- COI
- 1:CAS:528:DC%2BD38XosVShs7s%3D
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- ISSN
- 14442906
- 09199268
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- NDL書誌ID
- 6454692
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可