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
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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.

Biology

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.

Distribution

Distribution

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)
COSEWIC
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: 2022-01-25 9:16:58 PM]
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