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Gonadal development of the sea cucumber Acaudina molpadioides in north coast of Fujian
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Biqi Zheng1, 2, Chao Lu1, 2, Wei Liu1, 2, *, Yuchen Guo1, 2, Wen Huang1, 2, Hong Cheng1, 2, Jing Lin1, 2
Haiyang Xuebao | 2021, 43(4) : 133 - 140
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Haiyang Xuebao | 2021, 43(4): 133-140
• Research Note •
Gonadal development of the sea cucumber Acaudina molpadioides in north coast of Fujian
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Biqi Zheng1, 2, Chao Lu1, 2, Wei Liu1, 2, *, Yuchen Guo1, 2, Wen Huang1, 2, Hong Cheng1, 2, Jing Lin1, 2
Affiliations
  • 1Ningde Marine Environmental Monitoring Center, Ningde 352100, China
  • 2Key Laboratory of Marine Ecological Monitoring and Restoration Technologies, Ministry of Natural Resources, Shanghai 201206, China
Published: 2021-04-25 doi: 10.12284/hyxb2021050
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Acaudina molpadioides is a low-value sea cucumber. We studied the characteristics and annual variation of gonadal development of A. molpadioides in north coast of Fujian based on histological and morphological observation. We continued to explore its gender ratio, reproductive cycle, spawning pattern and reproductive season. Results showed that the testis and ovary development of A. molpadioides could be divided into six stages: resting stage (I), early developmental stage (II), growing stage (III), mature stage (IV), partly spawned stage (V) and spent stage (VI). The gonadal development of A. molpadioides in males and females were basically synchronous, and it followed an obvious annual development rule. The majority of gonads matured in May. Subsequently, gametes were being released meanwhile with tubules destruction. Then new tubules grew up, which meant the gonad started a new cycle. The gametogenesis initiated in November, and gametes gradually developed till matured in next May. A. molpadioides had a gender ratio close to 1∶1 and an annual reproductive cycle. Its reproductive season was from May to August (summer), when it spawned several times.

Acaudina molpadioides  /  gonadal development  /  annual variation  /  reproductive season
Biqi Zheng, Chao Lu, Wei Liu, Yuchen Guo, Wen Huang, Hong Cheng, Jing Lin. Gonadal development of the sea cucumber Acaudina molpadioides in north coast of Fujian[J]. Haiyang Xuebao, 2021 , 43 (4) : 133 -140 . DOI: 10.12284/hyxb2021050
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Article Info
doi: 10.12284/hyxb2021050
  • Receive Date：2020-04-11
  • Online Date：2026-02-26
  • Published：2021-04-25
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  • Received：2020-04-11
  • Revised：2020-09-29
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    1Ningde Marine Environmental Monitoring Center, Ningde 352100, China
    2Key Laboratory of Marine Ecological Monitoring and Restoration Technologies, Ministry of Natural Resources, Shanghai 201206, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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