Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (sharks and rays) > Carcharhiniformes
(Ground sharks) > Scyliorhinidae
Etymology: Scyliorhinus: Greek, skylla = a kind of shark + Greek, rhinos = nose (Ref. 45335).
Environment / Climate / Range
Marine; demersal; depth range 100 - ? m (Ref. 13112). Temperate, preferred ?
Northwest Pacific: Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 41.3 cm TL male/unsexed; (Ref. 13112)
Has been bred in captivity in the Shimoda Floating Aquarium. Oviparous (Ref. 50449).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Shirai, S., S. Hagiwara and K. Nakaya, 1992. Scyliorhinus tokubee sp. nov. from Izu Peninsula, southern Japan (Scyliorhinidae, Elasmobranchii). Jap. J. Ichthyol. 39(1):9-15. (Ref. 13112)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Threat to humans
Aquarium: public aquariums
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00153 - 0.00654), b=3.11 (2.93 - 3.29), based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.8 ±0.6 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Vulnerability (Ref. 59153
): Moderate vulnerability (39 of 100) .