头胸甲
- carapace
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其生物学特性与罗氏沼虾和日本沼虾相比有许多相似之处,但在体色、额角、头胸甲和腹甲侧片等形态特征上差异十分明显。
Though there are many similarities in their biological characteristics , there are also many differences in body color , rostrum , carapace and sternite pleurons , which can be obviously identified .
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研究表明:中国龙虾雌雄异体,性比约为2:1,生物学最小型为头胸甲长8.4cm左右。
The studies show that Panulirus stimpsoni ( Holthuis ) have male and female body , that its sex rate is about 2 : 1 , that the smallest one in biology has about 8.4 cm carapace in length .
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用感染白斑综合症病毒病的中国对虾头胸甲,对健康的仔虾进行人工投喂感染实验;
Artificial infection experiment of healthy post larva of shrimps was conducted by feeding with sick Penaeus chinensis affected by the White spot syndrome virus ( WSSV );
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硬壳,背甲,头胸甲一种硬骨质或甲壳质外部覆盖物,如海龟融为一体的背部板形器官,或甲壳纲动物覆盖头胸部的外骨骼部分。
A hard bony or chitinous outer covering , such as the fused dorsal plates of a turtle or the portion of the exoskeleton covering the head and thorax of a crustacean .