Portunidae is a family of crabs which contains the swimming crabs. Its members include well-known shoreline crabs such as the blue crab (Callinectes sapidus) and velvet crab (Necora puber).

Swimming crab, any member of the family Portunidae (order Decapoda of the class Crustacea, phylum Arthropoda). In these animals, the fifth (hindmost) pair of legs are flattened into paddles for swimming.

Portunids are the swimming crabs. Their last pair of legs are modified into flattened, paddle-shaped appendages, called swimmerets, which help the crabs to swim. They usually swim sideways but can also swim backwards and sometimes forward. Their bodies are streamlined for faster swimming.

Portunidae is a family of crabs which contains the swimming crabs. Its members include many well-known shoreline crabs, such as the blue crab (Callinectes sapidus) and velvet crab (Necora puber).

Mud crab genus Scylla De Haan, 1833 (Brachyura: Portunidae) is an economically important crustacean species that is widely distributed throughout the Indo-West-Pacific region (Keenan et al. 1998). Its taxonomy has been controversial.

Portunoidea is a superfamily of crabs that includes the family Portunidae, the swimming crabs. Which other crab families are also placed here is a matter of some contention, and may be revised following molecular phylogenetic analyses.

The meaning of PORTUNIDAE is a family of crabs (superfamily Brachyrhyncha) consisting of the swimming crabs and having a subquadrate carapace and the last pair of legs usually with the terminal joint flattened like a paddle.

2018年1月8日 · Among these marine crabs, portunid crabs or swimming crabs of the family Portunidae (Class: Crustacea; Order: Decapoda; Infraorder: Brachyura) assume greater significance in the marine industry owing to their delicate meat with nutritional qualities.

Portunidae. Identification Numbers. TSN: 98689. Geography. Working with others to conserve, protect and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people. Footer Menu - Employment. Careers & Internships; Contracting; Footer Menu - …

A new species of the swimming crab genus, Laleonectes Manning & Chace, 1990 (Crustacea: Brachyura: Portunidae), from the western Indian Ocean. Zootaxa 4323(2): 219–228. DOI: 10.11646/zootaxa.4323.2.5. Reference page. Mantelatto, F.L., Pantaleão, J.A.F., Cuesta, J.A., Fransozo, A. & Felder, D.L. 2018.