Elasmobranchii (sharks and rays) >
Rajiformes (Skates and rays) >
Arhynchobatidae (Softnose skates)
Etymology: Bathyraja: Greek, bathys = deep + Latin, raja, -ae = a ray (Raja sp) (Ref. 45335).
Eponymy: Lev (Leo) Semionovitch (Semenovich) Berg (1876–1950) was a Russian geographer and zoologist born in Bender, Moldavia. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 300 - 1800 m (Ref. 58497). Polar
Northwest Pacific: Japan (Ref. 27683) and South Korea (Ref. 77001).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 93.0 cm TL male/unsexed; (Ref. 5515)
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 capsule measures 11.77 cm long and 8.46 cm wide (Ref. 41249). Depth range of 300 m-500 m given by H. Ishihara (pers.comm. 07/07).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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).
McEachran, J.D. and K.A. Dunn, 1998. Phylogenetic analysis of skates, a morphologically conservative clade of elasmobranchs (Chondrichthyes: Rajidae). Copeia 1998(2):271-290. (Ref. 27314)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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