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Smallthorn Skate

Bathyraja minispinosa Ishiyama & Ishihara 1977

Diagnostic Description

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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 (Ref. 75535).
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Recorder
Estelita Emily Capuli
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Life Cycle

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Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449). Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs have horn-like projections on the shell (Ref. 205).
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Recorder
Susan M. Luna
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Trophic Strategy

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Feeds on fish and benthic crustaceans (Ref. 27640).
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Pascualita Sa-a
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Biology

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Juveniles feed mainly on amphipods, adults feed on crabs and fish (Ref. 27640). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). 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 (Ref. 41249).
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Recorder
Cristina V. Garilao
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