Holocephali (chimaeras) >
Chimaeriformes (Chimaeras) >
Chimaeridae (Shortnose chimaeras or ratfishes)
Etymology: Hydrolagus: hydro-, combining form of hydor (Gr.), water; lagos (Gr.), hare, i.e., “water rabbit,” probably referring to three pairs of tooth plates, which tend to protrude from the mouth like a rabbit’s incisors. (See ETYFish); barbouri: In honor of American herpetologist Thomas Barbour (1884‒1946), later director of the Harvard Museum of Comparative Zoology, “through whose enthusiastic interest the opportunity of description was provided”. (See ETYFish).
More on author: Garman.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 100 - 1100 m (Ref. 58497). Temperate
Northwest Pacific: Sea of Japan and East China Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Common length : 60.0 cm TL male/unsexed; (Ref. 3197)
Short description
Identification keys | Morphology | Morphometrics
Dark chocolate-brown with large light colored spots.
Carnivorous. Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Masuda, H. and G.R. Allen, 1993. Meeresfische der Welt - Groß-Indopazifische Region. Tetra Verlag, Herrenteich, Melle. 528 p. (Ref. 9137)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fisheries: commercial
Tools
Special reports
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 0.5 - 4, mean 1.6 °C (based on 49 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00282 (0.00118 - 0.00673), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.5 ±0.37 se; based on food items.
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (55 of 100).