Teleostei (teleosts) >
Pleuronectiformes (Flatfishes) >
Pleuronectidae (Righteye flounders) > Hippoglossinae
Etymology: Verasper: Latin, vere = certainly, true + Latin, asper = rough.
Eponymy: Jefferson Franklin Moser (1848–1934) was a US Navy officer who was commander of the Fish Commission steamer ‘Albatross’. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 1 - 900 m (Ref. 56557). Temperate
Northwest Pacific: Pacific coast of northern Japan, northern part of the Sea of Japan, the Tatar Strait, southern Sea of Okhotsk and the Kuril Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm SL male/unsexed; (Ref. 559); max. published weight: 4.0 kg (Ref. 56557)
Inhabits sandy and muddy bottoms (Ref. 9137).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Vinnikov, K.A., R.C. Thomson and T.A. Munroe, 2018. Revised classification of the righteye flounders (Teleostei: Pleuronectidae) based on multilocus phylogeny with complete taxon sampling. Molecular phylogenetics and evolution, 125:147-162. (Ref. 122998)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: commercial; gamefish: yes
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Internet sources
Estimates based on models
Preferred temperature (Ref.
123201): 0.7 - 17, mean 2.1 °C (based on 206 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00517 - 0.02552), b=3.09 (2.89 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.2 se; based on size and trophs of closest relatives
Generation time: 4.4 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (47 of 100).