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

Bathyraja minispinosa Ishiyama & Ishihara, 1977
Smallthorn Skate
Family: Rajidae
Photo of species

© Aaron Baldwin  Email the photographer   (Photo ID #37297)

Source: Distribution of Bathyraja minispinosa as compiled by Aquamaps
E-Fauna's interactive maps for fish are not yet available.

Species Information

This species is distinguished from its congeners in Bathyraja in having a whitish area along the inner margin of eyes; dorsal side of disc with minute fine prickles; pointed clasper with a pseudosiphon-like groove; dense, minute prickles covering smaller egg capsule.

Source: FishBase.


Species Biology

Juveniles feed mainly on amphipods, adults feed on crabs and fish. Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother. Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 7.6 cm long and 5.5 cm wide. Marine; demersal; depth range 150 - 1420 m. Max length : 79.0 cm TL male/unsexed.

Source: FishBase.



North Pacific: Sea of Okhotsk off Abashiri, Japan to the Kamchatka Peninsula and the Bering Sea. Collected in DFO deepwater surveys - RBCM specimens (Gillespie pers. comm. 2011).

Source: FishBase.

Status Information

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

Additional Range and Status Information Links

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: 2024-05-28 3:56:50 AM]
Disclaimer: The information contained in an E-Fauna BC atlas pages is derived from expert sources as cited (with permission) in each section. This information is scientifically based.  E-Fauna BC also acts as a portal to other sites via deep links.  As always, users should refer to the original sources for complete information.  E-Fauna BC is not responsible for the accuracy or completeness of the original information.

© E-Fauna BC 2021: An initiative of the Spatial Data Lab, Department of Geography, UBC