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主要參考文獻: | Compagno, L.J.V., 1984 | |||||||||||
資料參考: | Compagno, L.J.V., 1984 | |||||||||||
國家: | Senegal | |||||||||||
產卵地: | shelf | |||||||||||
地點: | continental shelf | |||||||||||
季節: |
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
111 | 111 | 111 | 111 | |||||||||
性別比: | % 參考文獻: | |||||||||||
溫度: | 20 - 27 °C | |||||||||||
Gestation period: | 4 - month/s | |||||||||||
參考文獻:
Compagno, L.J.V., 1984
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子代的長度: | 20 - cm | |||||||||||
批次產卵者 | ||||||||||||
每日的產卵頻度 |
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建議與指正: | Viviparous; with a unique spherical or globular placenta; pregnant females are found with young from July to October, with largest fetuses (up to 20 cm) occurring in October; gestation period presumed to be at least 4 months; size at birth probably above 20 cm. | |||||||||||
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