Fisheries and Oceans Canada-Pêches et Océans Canada Government of Canada-Gouvernement du Canada

Marine Species
of the St. Lawrence

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Marine Species Identification Guide for the St. Lawrence
Invertebrates • Species
Hyas coarctatus
Arctic lyre crab - Crabe lyre (arctique)

Hyas coarctatus
Characteristics:
• thin limbs
• lyrate carapace, longer than it is wide
• enlarged postorbital margins (thick crest behind eyes)
May be mistaken for: Hyas araneus - Chionoecetes opilio
Hyas*
Family:
Majidae
Type of measure:
Carapace width mm
Maximum size:
87 mm
specimen identified  specimen identified
territory covered  territory covered    territory not covered  territory not covered

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Reviewed: 2005-10-06 Top of Page Important Notices