E-Fauna BC: Electronic Atlas of the Wildlife of British Columbia

Gastroptychus iaspis Baba & Haig, 1990
Squat Lobster
Family: Chirostylidae

Species account author: Josephine Hart.
Extracted from Crabs and their relatives of British Columbia.
Photo of species

© Aaron Baldwin  Email the photographer   (Photo ID #2406)

E-Fauna BC Static Map
Distribution of Gastroptychus iaspis in British Columbia
Details about map content are available here.

Species Information

Carapace subequal in length and width, lateral margins curved, surface covered with sharp spines which decrease in size posteriorly. Rostrum styliform. Chelipeds very long and slender with rows of sharp slender spines on all parts except fingers. Slender spined walking legs about ¾ length of chelipeds. Spines on abdominal segments 1, 2 and 6 and on pleural margins. Eyestalk short and pigmented; cornea not dilated.


Carapace: female 19 x 17 mm.


Carapace: anterior bluish pink, laterally pale pink and white; posterior white. Spines orange. Chelipeds orange with white palms and fingers. Walking legs orange becoming paler on dactyls. Antennules, antennae and eyestalk orange; cornea black.


Abyssal muddy sand.



Southwestern Vancouver Island (48°13’N, 126°18.5’W), to west of the Columbia River mouth, Washington; from 914 to 951 m.
Distribution In British Columbia

As above, from 951 m.

Status Information

Origin StatusProvincial StatusBC List
(Red Blue List)
BC Ministry of Environment: BC Species and Ecosystems Explorer--the authoritative source for conservation information in British Columbia.

Additional Photo Sources

General References

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2021. E-Fauna BC: Electronic Atlas of the Fauna of British Columbia [efauna.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-06-13 8:34:01 PM]
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© E-Fauna BC 2021: An initiative of the Spatial Data Lab, Department of Geography, UBC