Teleostei (teleosts) >
Pleuronectiformes (Flatfishes) >
Cynoglossidae (Tonguefishes) > Cynoglossinae
Etymology: Cynoglossus: Greek, kyon = dog + Greek, odous = teeth + Greek, glossa = tongue (Ref. 45335).
Eponymy: Dr Akira Ochiai (1923–2017) was a fish biologist and systematist who was Emeritus Professor of Kochi University and an Honorary Member of the Japanese Society of Fisheries Science. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal; depth range 50 - 220 m (Ref. 75201), usually 100 - ? m (Ref. 75201). Temperate
Northwest Pacific: Japan.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 18.0 cm SL male/unsexed; (Ref. 75201)
Short description
Identification keys | Morphology | Morphometrics
This relatively small species is distinguished by the following characters: 3 continuous ocular side lateral lines (dorsolateral, midlateral and ventrolateral), none on the blind side; scales on cephalodorsal line 6-9, dorsolateral line 66-79, midlateral line 67-73, ventrolateral line 38-62; scales above dorsolateral line 3-4, between dorsolateral and midlateral lines 11-12; pored scales with well developed blackish posterior flap present on dorsolateral, midlateral, cephalodorsal and mandibulo-opercular lines; contiguous eyes; mouth no fringe, reaching posteriorly to vertical line at middle of lower eye; ocular side with 2 nostrils, the anterior nostrils developed, tubular; dorsal and anal fins with dark brown to blackish dapples; 104-112 dorsal-fin rays; 83-88 anal-fin rays; 10 caudal-fin rays; vertebrae 8-9+43-45=52-54; body uniformly brown; dorsal and anal fins dark brown to blackish, with dappled marks on ocular side, uniformly dense pigmentation on blind side (Ref. 75201).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Yokogawa, K., H. Endo and H. Sakaji, 2008. Cynoglossus ochiaii, a new tongue sole from Japan (Pleuronectiformes: Cynoglossidae). Bull. Natl. Mus. Nat. Sci. Ser. A. Suppl. 2:115-127. (Ref. 75201)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 11 - 21.2, mean 18.8 °C (based on 40 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01047 (0.00432 - 0.02536), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.4 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 (12 of 100).
