''Tubuca alcocki'' is a species of
fiddler crab
The fiddler crab or calling crab may be any of more than one hundred species of semiterrestrial marine crabs in the family Ocypodidae, well known for their sexual dimorphism, sexually dimorphic claws; the males' major claw is much larger than th ...
. Its range includes most of the northern Indian Ocean, from western Thailand (facing
the Andaman Sea), through the Bay of Bengal and India, to the Red Sea.
[
]
Etymology
The specific name ''alcocki'' is in honor of Alfred William Alcock, the naturalist who recorded the species from India and Pakistan as ''Uca urvillei''.[
]
Description
Carapace and legs brown or dark brown. Major cheliped with fingers white in adults and orange in young. Females with orange cheliped with blue tinge. Carapace of male is trapezoidal, smooth with distinct, narrow median groove. Anterolateral margin is acutely triangular. Major cheliped with dactylus usually longer than palm. Carapace of female is also trapezoidal. Anterolateral margin broadly triangular.[
]
Ecology
It is a mangrove species which lives sympatric with ''Austruca annulipes
''Austruca annulipes'' is a species of fiddler crab found along the coastline from South Africa to Somalia, Madagascar, India, China, Indonesia, Malaysia and the Philippines.
''Austruca annulipes'' was formerly in the genus ''Uca'', but in 2016 ...
'', ''Austruca bengali
''Austruca'' is a genus of indo-west Pacific fiddler crabs in the family Ocypodidae. There are about 13 described species in this genus.
''Austruca'' was formerly a subgenus of ''Uca'', but in 2016 it was elevated in rank to genus.
Species
The ...
'', ''Tubuca forcipata
''Tubuca'' is a genus in Ocypodidae, a family of fiddler and ghost crabs. There are more than 20 described species in ''Tubuca''.
Species
These 23 species belong to the genus ''Tubuca'':
* '' Tubuca acuta'' (Stimpson, 1858)
* '' Tubuca alcocki' ...
'', ''Tubuca paradussumieri
''Tubuca'' is a genus in Ocypodidae, a family of fiddler and ghost crabs. There are more than 20 described species in ''Tubuca''.
Species
These 23 species belong to the genus ''Tubuca'':
* '' Tubuca acuta'' (Stimpson, 1858)
* '' Tubuca alcocki' ...
'' and ''Austruca iranica
''Austruca'' is a genus of indo-west Pacific fiddler crabs in the family Ocypodidae. There are about 13 described species in this genus.
''Austruca'' was formerly a subgenus of ''Uca'', but in 2016 it was elevated in rank to genus.
Species
The ...
''.[
]
References
{{Taxonbar, from=Q55636444
Ocypodoidea
Crustaceans of the Indian Ocean
Crustaceans described in 1852