Portunidae


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Related to Portunidae: swimming crab

Portunidae

[pȯr′tü·nə‚dē]
(invertebrate zoology)
The swimming crabs, a family of the Brachyura having the last pereiopods modified as swimming paddles.
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Choy (1986) reported less feeding during egg-brooding in Portunidae, but in our study we found that fullness was about 40% in both egg-bearing and non-egg-bearing females in summer.
In Portunidae, the long chelae (in relation to their CW) have short muscle fibers better suited to quick grabbing than to prolonged crushing (Warner and Jones, 1976; Seed and Hughes, 1997).
Because Portunidae swim and have more versatile chelae, they may be expected to have broader trophic niches than Cancridae.
6), whereas diets of red snapper from reef habitats shifted to a dominance by Portunidae and Diogeninae (Fig.
For crabs, the separation was not as clear, because of the dominance of Portunidae, which can be assigned to both open and reef habitats.
Los cangrejos de la familia Portunidae (Crustaceos Decapodos Brachyura) en el Occidente de Venezuela.