Malacostraca |
Decapoda |
Portunidae
Environment: milieu / climate zone / depth range / distribution range
生态学
底中水层性; 深度上下限 0 - 110 m (Ref. 101598), usually ? - 20 m (Ref. 435). ; 39°N - 36°S, 121°W - 14°E
Atlantic Ocean and Eastern Pacific: from USA (New Jersey to south Florida) to Brazil (Amapa to Rio Grande do Sul), including central America, the Antilles, and northern South America; West Africa from Mauritania to Angola, including Cape Verde, Sao Tome and Principe, and Annobon Islands; Eastern Pacific from California, and Baja California to Peru, including Clipperton Island and Galagapos Islands. Temperate to tropical.
Length at first maturity / 大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm Max length : 5.2 cm CL 雄鱼/尚未辨别雌雄; (Ref. 435)
Carapace width range: 0.63 cm (Ref. 93549) to 8.2 cm (Ref. 435). Minimum depth from Ref. 104055. Benthopelagic (Ref. 97531). Occurs from the intertidal zone to a depth of 38 m, common at depths less than 20 m. Inhabits different kinds of bottom, usually covered with algae, ascidia, etc. (Ref 435). Found on sandy beaches, rocky areas as well as those with gravel (Ref. 104219). Also occurs in tide pools and rock rubble in sublittoral areas (Ref. 106321). In general, portunid crabs are reported to be mainly carnivorous (Ref. 72665).
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer.
主要参考文献
参考文献 | 合作者 | 合作者
Fischer, W., G. Bianchi and W.B. Scott (eds.). 1981. (Ref. 435)
世界自然保护联盟红皮书 (Ref. 130435)
Not Evaluated
Not Evaluated
对人类的威胁
人类利用
| FishSource |
工具
网络资源
Estimates based on models
Preferred temperature
(Ref.
115969): 22.3 - 28, mean 25.5 (based on 284 cells).
脆弱性
Low vulnerability (10 of 100).
价格分类
Unknown.
