Great spider crab (Hyas araneus)
|Researched by||Penny Avant||Refereed by||Admin|
|Other common names||-||Synonyms||-|
Recorded distribution in Britain and IrelandFound around all British coasts, but less common in the south and west.
Global distributionA northern species found around Spitzbergen, Iceland and Norway, also Greenland and north America, reaching its southern limit in the English Channel.
HabitatHyas araneus is found on hard and sandy substrates, among rocks and seaweed on the lower shore and sublittorally to a depth of about 50 m.
- Carapace pear-shaped, up to 10 cm long and 8cm wide, with scattered, conspicuous tubercles.
- Reddish-brown dorsally, off-white underside.
- Frontal region with a longitudinal row of paired tubercles and setae.
- Bifid rostrum projects between the eyes, the two parts converging at their tips.
- First pair of abdominal limbs, or pleopods have pincers and are stouter and shorter than pleopods 2-5, which are long, slender and spider-like.
- none -
Clark, P.F., 1986. North East Atlantic crabs: an atlas of distribution. Ross-on-Wye: Marine Conservation Society.
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Picton, B.E. & Costello, M.J., 1998. BioMar biotope viewer: a guide to marine habitats, fauna and flora of Britain and Ireland. [CD-ROM] Environmental Sciences Unit, Trinity College, Dublin.
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Fife Nature Records Centre, 2018. St Andrews BioBlitz 2016. Occurrence dataset: https://doi.org/10.15468/146yiz accessed via GBIF.org on 2018-09-27.
Isle of Wight Local Records Centre, 2017. IOW Natural History & Archaeological Society Marine Invertebrate Records 1853- 2011. Occurrence dataset: https://doi.org/10.15468/d9amhg accessed via GBIF.org on 2018-09-27.
Manx Biological Recording Partnership, 2018. Isle of Man historical wildlife records 1990 to 1994. Occurrence dataset:https://doi.org/10.15468/aru16v accessed via GBIF.org on 2018-10-01.
Merseyside BioBank., 2018. Merseyside BioBank (unverified). Occurrence dataset: https://doi.org/10.15468/iou2ld accessed via GBIF.org on 2018-10-01.
National Trust, 2017. National Trust Species Records. Occurrence dataset: https://doi.org/10.15468/opc6g1 accessed via GBIF.org on 2018-10-01.
NBN (National Biodiversity Network) Atlas. Available from: https://www.nbnatlas.org.
Norfolk Biodiversity Information Service, 2017. NBIS Records to December 2016. Occurrence dataset: https://doi.org/10.15468/jca5lo accessed via GBIF.org on 2018-10-01.
OBIS (Ocean Biodiversity Information System), 2023. Global map of species distribution using gridded data. Available from: Ocean Biogeographic Information System. www.iobis.org. Accessed: 2023-09-30
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Last Updated: 21/07/2003