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Austruca
''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 These 13 species belong to the genus ''Austruca'': * ''Austruca albimana'' (Kossmann, 1877) (white-handed fiddler crab) * ''Austruca annulipes'' (H.Milne Edwards, 1837) (ring-legged fiddler crab) * ''Austruca bengali'' (bengal fiddler crab) * ''Austruca citrus'' (citrus fiddler crab) * ''Austruca cryptica'' (Naderloo, Türkay & Chen, 2010) (cryptic fiddler crab) * ''Austruca iranica'' (Pretzmann, 1971) (Iranian fiddler crab) * ''Austruca lactea'' (De Haan, 1835) (milky fiddler crab) * ''Austruca mjoebergi'' (Rathbun, 1924) (banana fiddler crab) * ''Austruca occidentalis'' (Naderloo, Schubart & Shih, 2016) (East African fiddler crab) * ''Austruca perplexa'' (H.Milne Edwards, 1852) (perplexing fiddler crab) * ''Austruca sindensis'' (Alcock, 190 ...
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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 These 13 species belong to the genus ''Austruca'': * ''Austruca albimana'' (Kossmann, 1877) (white-handed fiddler crab) * ''Austruca annulipes'' (H.Milne Edwards, 1837) (ring-legged fiddler crab) * '' Austruca bengali'' (bengal fiddler crab) * '' Austruca citrus'' (citrus fiddler crab) * '' Austruca cryptica'' (Naderloo, Türkay & Chen, 2010) (cryptic fiddler crab) * ''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 T ...'' (Pretzmann, 1971) (Iranian fiddler crab) * '' Austruca lactea'' (De Haan, 1835) (milky fiddler crab) * '' ...
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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 These 13 species belong to the genus ''Austruca'': * ''Austruca albimana ''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 ...'' (Kossmann, 1877) (white-handed fiddler crab) * '' Austruca annulipes'' (H.Milne Edwards, 1837) (ring-legged fiddler crab) * '' Austruca bengali'' (bengal fiddler crab) * '' Austruca citrus'' (citrus fiddler crab) * '' Austruca cryptica'' (Naderloo, Türkay & Chen, 2010) (cryptic fiddler crab) * '' Austruca iranica'' (Pretzmann, 1971) (Iranian fiddler crab) * '' Austruca lactea'' (De Haan, 1835) (milky fiddler crab) * ...
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Austruca Lactea
''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 These 13 species belong to the genus ''Austruca'': * ''Austruca albimana'' (Kossmann, 1877) (white-handed fiddler crab) * ''Austruca annulipes'' (H.Milne Edwards, 1837) (ring-legged fiddler crab) * ''Austruca bengali'' (bengal fiddler crab) * ''Austruca citrus'' (citrus fiddler crab) * ''Austruca cryptica'' (Naderloo, Türkay & Chen, 2010) (cryptic fiddler crab) * ''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 T ...'' (Pretzmann, 1971) (Iranian fiddler crab) * '' Austruca lactea'' (De Haan, 1835) (milky fiddler crab) * '' Aus ...
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Austruca Mjoebergi
''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 These 13 species belong to the genus ''Austruca'': * '' Austruca albimana'' (Kossmann, 1877) (white-handed fiddler crab) * '' Austruca annulipes'' (H.Milne Edwards, 1837) (ring-legged fiddler crab) * '' Austruca bengali'' (bengal fiddler crab) * '' Austruca citrus'' (citrus fiddler crab) * '' Austruca cryptica'' (Naderloo, Türkay & Chen, 2010) (cryptic fiddler crab) * '' Austruca iranica'' (Pretzmann, 1971) (Iranian fiddler crab) * '' Austruca lactea'' (De Haan, 1835) (milky fiddler crab) * '' Austruca mjoebergi'' (Rathbun, 1924) (banana fiddler crab) * '' Austruca occidentalis'' (Naderloo, Schubart & Shih, 2016) (East African fiddler crab) * '' Austruca perplexa'' (H.Milne Edwards, 1852) (perplexing fiddler crab) * '' Austruca sindensis'' ...
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Austruca Occidentalis
''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 These 13 species belong to the genus ''Austruca'': * ''Austruca albimana'' (Kossmann, 1877) (white-handed fiddler crab) * ''Austruca annulipes'' (H.Milne Edwards, 1837) (ring-legged fiddler crab) * ''Austruca bengali'' (bengal fiddler crab) * ''Austruca citrus'' (citrus fiddler crab) * ''Austruca cryptica'' (Naderloo, Türkay & Chen, 2010) (cryptic fiddler crab) * ''Austruca iranica'' (Pretzmann, 1971) (Iranian fiddler crab) * ''Austruca lactea'' (De Haan, 1835) (milky fiddler crab) * ''Austruca mjoebergi ''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. ...
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Austruca Perplexa
''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. ''Austruca perplexa'' was formerly in the genus '' Uca'', but in 2016 it was placed in the genus ''Austruca'', a former subgenus of ''Uca''. As in other fiddler crabs, the male has a greatly enlarged claw, which is used for signalling. The higher the claw is waved by the male, the greater his chance of attracting a female; the size of the claw is therefore subject to sexual selection Sexual selection is a mechanism of evolution in which members of one sex mate choice, choose mates of the other sex to mating, mate with (intersexual selection), and compete with members of the same sex for access to members of the opposite sex .... Furthermore, larger male fiddler crabs wave their claws at a faster rate than ...
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