Fiddler crab - Wikipedia
The fiddler crab or calling crab can be one of the hundred species of semiterrestrial marine crabs in the family Ocypodidae. [2] These crabs are well known for their extreme sexual dimorphism, where the male crabs have a major claw significantly larger than their minor claw, whilst females claws are both the same size. [ 3 ]
Austruca perplexa - Wikipedia
Austruca perplexa is a species of fiddler crab. It is found from the Ryukyu Islands, Japan to India, throughout the Malay Archipelago, along eastern Australian coasts from Queensland to New South Wales, and in various Pacific islands, including Fiji, Tonga and Vanuatu. [2][3]
Fiddler crab | Mangrove, Burrowing & Behavior | Britannica
Fiddler crab, any of the approximately 65 species of the genus Uca (order Decapoda of the subphylum Crustacea). They are named “fiddler” because the male holds one claw, always much larger than the other, somewhat like a violin. Both claws in the female are relatively small. In males, claws can be
Uca princeps / Greater Mexican Fiddler Crab
Red markers indicate locations where this species is found according to the scientific record; blue markers represent false or mistaken observations from the scientific record; green markers represent “research grade” observations imported from iNaturalist.
Uca rapax are diurnal, skilled at burrowing into the mud, creating holes that provide a nest for their young, privacy for mating, for sleeping and in the colder regions “hibernation” during the winter (Gcrl.Usm.Edu., 2016). Fiddlers are food to egrets, raccoons and herons.
Fiddler crabs: Current Biology - Cell Press
2006年1月24日 · What are fiddler crabs? Fiddler crabs belong to the genus Uca. They are members of the ocypodid family of brachyuran crabs, the most recent marine animals to have invaded land. They spend the first part of their life as aquatic plankton and only settle in the intertidal zone after their last larval moult.
Uca - an overview | ScienceDirect Topics
There are a number of mangrove-associated invertebrates that reach their southern-most distribution on the African continent in the Eastern Cape Province. Foremost of these are a number of fiddler crabs (Ocypodidae: Genus Uca) that are mainly tropical and subtropical in their
Uca major / Greater Fiddler Crab
Subfamily Ucinae → Supertribe Ucitae → Tribe Ucini → Genus Uca → Subgenus Uca Common Names English: Greater Fiddler Crab, Major Fiddler Crab Synonyms, Alternate Spellings, & Name Forms
Fiddler Crabs of the World: Ocypididae: Genus Uca on JSTOR
Uca differs additionally from Ocypode, the other genus in the subfamily, in having smaller eyes on longer stalks, longer antennae, and shorter ambulatories, while it lacks a stridulating ridge on the ischium of the major cheliped. With the characteristics of the subfamily. Carapace. Body deep.
Uca ornata - Fiddler Crab
Subfamily Ucinae → Supertribe Ucitae → Tribe Ucini → Genus Uca → Subgenus Acanthoplax Common Names English: Ornate Fiddler Crab Synonyms, Alternate Spellings, & Name Forms Gelasimus ornatus, Uca (Acanthoplax) ornata, Uca (Uca) ornata, Uca ornata, Uca pizarri Size