Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
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); nansei: Name 'nansei' from the type locality of the species, Nansei Islands. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 790 - 1000 m (Ref. 138160). Subtropical
Northwest Pacific: Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm TL male/unsexed; (Ref. 138160)
Short description
Identification keys | Morphology | Morphometrics
Body shape (shape guide): other (see remarks); Cross section: flattened.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Misawa, R., M. Moteki and H. Endo, 2025. Bathyraja nansei, a new deep‑water softnose skate (Rajiformes: Arhynchobatidae) from the Okinawa Trough, southern Japan. Ichthyol. Res. 1-18. (Ref. 138160)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 3.3 ±0.6 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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