Austruca variegata

Information

Taxonomy

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

Common Names

English: Motley Fiddler Crab

Synonyms, Alternate Spellings, & Name Forms (Chronology)

Austruca (Cuneatuca) variegata, Austruca variegata, Gelasimus variegata, Gelasimus variegatus

Size

Small Carapace Breadth: 14.9 mm ± 2.53 (sd), 95% range: 9.9–19.8 mm (Data)

Geographic Range

Indo-West Pacific Realm: eastern India, Sri Lanka, and Bangladesh; possibly the Andaman Islands

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: Shih et al. (2019)

Associated Field Guides

East Coast of India and Bangladesh

Sri Lanka

External Links

Wikipedia

iNaturalist

Photos

Video

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Art

References

Ajmal Khan & Ravichandran (2009), Akash & Chowdhury (2017), Al-Aidaroos (2013), Alcock (1900), Altevogt (1957), Altevogt (1959), Altevogt (1959), Altevogt (1964), Altevogt (1972), Altevogt & Davis (1979), Bairagi (1995), Beinlich & von Hagen (2006), Bergin (1981), Bouchard (2009), Crane (1975), Davis (1987), Deb (1998), Deb (1999), Dev Roy (2015), Dev Roy & Bhadra (2005), Dev Roy & Bhadra (2011), Dev Roy & Nandi (2008), Dev Roy & Nandi (2008), Dev Roy & Nandi (2012), Dev Roy & Rath (2017), Devi (1987), Devi & Rao (1989), Devi & Rao (1989), Devi & Rao (1989), Estampador (1959), Feest (1969), Fredrick & Ravichandran (2013), Frith & Frith (1978), Heller (1862), Heller (1865), Henderson (1893), IUCN Bangladesh (2015), Jansen (1970), Jaroensutasinee & Jaroensutasinee (2004), Karthikeyan P. (1995), Khan (2003), Khan et al. (2005), Kingsley (1880), Ko & Kim (1989), Krishnan (1990), Krishnan (1990), Krishnan (1992), Krishnan (1992), Krishnan (1992), Krishnan (1994), Krishnan & Ramachandran (1990), Maccagno (1928), Mandal & Nandi (1989), Mitra & Misra (2006), Mitra et al. (2010), Naderloo et al. (2016), Naderloo et al. (2010), Nagaraju & Reddy (2002), Ng et al. (2008), Nobili (1903), Panikkar & Aiyar (1937), Patra et al. (2017), Rama Rao et al. (1992), Ramakrishna et al. (2003), Rao & Rath (2014), Rao et al. (1985), Rath & Dev Roy (2008), Rath & Dev Roy (2010), Rath & Dev Roy (2011), Ravichandran & Kannupandi (2007), Ravichandran et al. (2001), Rosenberg (2000), Rosenberg (2001), Rosenberg (2019), Rosenberg (2020), Salmon (1965), Sarojini (1966), Satheeshkumar (2012), Satheeshkumar & Khan (2011), Sen & Homechaudhuri (2015), Sen et al. (2014), Shih et al. (2018), Shih et al. (2013), Shih et al. (2016), Shih et al. (2010), Shih et al. (2019), Shih & Poupin (2020), Shih et al. (2022), Silas & Sankarankutty (1965), Soundarapandian et al. (2008), Spivak & Cuesta (2009), Talapatra et al. (2014), Thurman et al. (2025), Tina et al. (2015), Tina et al. (2018), Tina et al. (2015), Trivedi et al. (2018), Trivedi & Vachhrajani (2017), von Hagen (1970), Walker (1972), Wheeler (1978), Zucker (1978)