Teleostei (teleosts) >
Perciformes/Zoarcoidei (Eelpouts and pricklebacks) >
Zoarcidae (Eelpouts) > Gymnelinae
Etymology: Bilabria: Latin, bi = two + Latin, labrum = lip (Ref. 45335); gigantea: Name from Latin ‘gigantis’ meaning large; refers to the species attaining the largest body size (to 40.8 cm TL) known for a gymneline eelpout..
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 70 - 180 m (Ref. 75208). Temperate; 46°N - 41°N, 142°E - 144°E (Ref. 75208)
Northwest Pacific: Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 31.3 cm SL male/unsexed; (Ref. 75208)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 117 - 126; Anal soft rays: 98 - 107; Vertebrae: 118 - 127. This species is distinguished with the following set of characters: interorbital pores 2-3; third supraorbital (supraoccipital) pore is present posteromesial to eye; usually no vomerine and palatine teeth; body and tail with characteristic W-shaped saddles; maximum length can reach over 40 cm SL (Ref. 75208).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
Anderson, M.E. and H. Imamura, 2008. Two new gymneline eelpouts (Perciformes: Zoarcidae) from Hokkaido, Japan. Bull. Natl. Mus. Nat. Sci. Ser. A. Suppl. 2:59-67. (Ref. 75208)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00112 (0.00042 - 0.00301), b=3.09 (2.86 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (28 of 100).