Austruca occidentalis

Information

Taxonomy

Subfamily Gelasiminae → Supertribe Gelasimitae → Tribe Gelasimini → Genus Austruca → Subgenus Austruca

Common Names

English: East African Fiddler Crab

Synonyms, Alternate Spellings, & Name Forms (Chronology)

Austruca (Austruca) occidentalis, Austruca occidentalis, Uca (Austruca) occidentalis, Uca occidentalis

Size

Medium Carapace Breadth: 14.7 mm ± 4.32 (sd), 95% range: 6.2–23.1 mm (Data)

Geographic Range

Indo-West Pacific Realm: east coast of Africa from South Africa to Somalia, Madagascar, Réunion, Mauritius, Mayotte, Seychelles

Download PNG line map of ranges. Download PNG line map of point locations.

Purple fiddler crabs indicate locations where this species is found according to the scientific record; blue fiddler crabs surrounded by a dashed circle indicate the same but for larger, general regions; green fiddler crabs indicate “research grade” observations imported from iNaturalist; yellow circles with a question mark indicate questionable records of this species from the scientific record; and red circles with an x indicate false or mistaken records from the scientific record.

Range map data derived from: Hodgson (1987); Naderloo et al. (2016); Poupin et al. (2018)

Associated Field Guides

Eastern Africa

External Links

Wikipedia

iNaturalist

Photos

Video

Male and female Austruca occidentalis (labeled Uca annulipes albimana) on mud banks in the estuary of the Mtwapa-Creek near Mombasa (Kenya) performing various activities: feeding by males and females, fighting and waving by the males, etc.

8:48 min., 768 × 576, MP4

Art

References

Aksornkoae (1993), Alcock (1900), Al-Khayat (1996), Andreetta et al. (2014), Aschenbroich et al. (2016), Backwell et al. (1998), Barnard (1950), Barnwell (1976), Bartolini et al. (2011), Begg (1981), Bliss (1968), Boone (1934), Borradaile (1907), Borradaile (1910), Bouchard (2009), Bouchard et al. (2009), Bouchard et al. (2013), Bouvier (1915), Boyce (1924), Braithwaite & Talbot (1972), Branch & Grindley (1979), Burford et al. (2001), Cannicci et al. (2009), Chace (1942), Crane (1975), Crosnier (1965), Day (1969), Day (1974), Day & Morgans (1956), de Gibert et al. (2013), De Man (1880), De Man (1887-1888), Dunham & Gilchrist (1988), Edney (1961), Edney (1962), Emmerson (1990), Emmerson (1994), Feest (1969), Fourmanoir (1953), Fourmanoir (1954), Frith & Brunenmeister (1980), Frith & Frith (1977), Frith & Frith (1978), Frith et al. (1976), Gerstaecker & Ortmann (1901), Gordon (1958), Gordon (1934), Greenaway (1988), Hartnoll (1975), Hartnoll (1988), Hartnoll et al. (2002), Heit (1974), Herklots (1851), Hilgendorf (1869), Hilgendorf (1878), Hodgson (1987), Hoffmann (1874), Hogue & Bright (1971), Honegger (1976), Icely & Jones (1978), IUCN Bangladesh (2015), Jansen (1970), Jordão & Oliveira (2003), Kaiser & Lehmann (1975), Kalik (1958), Kalik (1958), Keeratipattarakarn et al. (2020), Kingsley (1880), Krauss (1843), Kruitwagen et al. (2010), Kuhapong et al. (2021), Lehmann (1976), Lehmann et al. (1974), Lenz (1905), Lenz (1910), Lenz & Richters (1881), Levinton et al. (1996), Maccagno (1928), Macia et al. (2001), Macnae (1962), Macnae (1963), Macnae (1966), Macnae (1968), Macnae & Kalk (1958), Macnae & Kalk (1962), Magnus (1980), Marochi et al. (2017), Miers (1879), Miers (1886), Millard & Broekhuysen (1970), Milner et al. (2010), Milner et al. (2010), Milner et al. (2012), Mohrherr (1987), Mokhtari et al. (2008), Naderloo et al. (2016), Naderloo et al. (2010), Ortmann (1894), Ortmann (1897), Paula et al. (2004), Peer et al. (2015), Peer et al. (2014), Penha-Lopes et al. (2009), Pfeffer (1889), Poupin (2010), Poupin et al. (2018), Powers (1975), Powers & Cole (1976), Prieto et al. (2004), Ragionieri et al. (2015), Richmond (1997), Richters (1880), Rosenberg (2014), Rosenberg (2020), Rumisha et al. (2015), Sari (2004), Schlacher et al. (2016), Serène (1973), Shih et al. (2018), Shih et al. (2016), Shih et al. (2019), Shih & Poupin (2020), Shih et al. (2022), Silva & Calado (2013), Skov & Hartnoll (2001), Stebbing (1910), Stebbing (1917), Sturmbauer et al. (1996), Taylor (1968), Tina et al. (2017), Tina et al. (2018), Torres et al. (2008), Torres et al. (2009), Vannini (1980), Vannini et al. (2001), Vannini & Valmori (1981), Vatova (1943), Vorsatz (2009), Walker (1972), Warner (1969), Warner (1977)