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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kawakami, Tatsuya Okouchi, Hiroyuki Aritaki, Masato Aoyama, Jun Tsukamoto, Katsumi |
| Copyright Year | 2010 |
| Abstract | The embryonic development and morphology of eggs and newly hatched larvae of the Pacific herring Clupea pallasii were described using laboratory-reared specimens originating from the Miyako Bay stock. The eggs were almost spherical in shape, 1.33–1.46 mm (mean: 1.38 mm) in diameter, and had a thick adherent chorion. They had a segmented pale yellow yolk, no oil globule, and a relatively wide perivitelline space. A subgerminal cavity was observed during the gastrula period, whereas the blastocoel did not appear. Mass hatching occurred by 271 h 45 min after fertilization, and the newly hatched larvae were 7.1–7.7 mm (mean: 7.5 mm) in total length with 53–56 myomeres at 9.6°C. The embryonic development of Pacific herring was substantially similar to that of zebrafish Danio rerio, American shad Alosa sapidissima, as well as Atlantic herring Clupea harengus, and generally followed the basic developmental pattern of teleosts. However, Pacific herring larvae hatched at a more developed stage than some other clupeoids, such as Japanese sardine Sardinops melanostictus, and the progressed developmental stage at hatching could be interpreted as an advanced adaptation. |
| Starting Page | 183 |
| Ending Page | 190 |
| Page Count | 8 |
| File Format | |
| ISSN | 09199268 |
| Journal | Fisheries Science |
| Volume Number | 77 |
| Issue Number | 2 |
| e-ISSN | 14442906 |
| Language | English |
| Publisher | Springer Japan |
| Publisher Date | 2011-01-07 |
| Publisher Place | Japan |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Clupea pallasii Egg Embryonic development Morphology Newly hatched larva Pacific herring Freshwater & Marine Ecology Food Science Fish & Wildlife Biology & Management |
| Content Type | Text |
| Resource Type | Article |
| Subject | Aquatic Science |
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