Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Cynoglossidae
(Tonguefishes) > Cynoglossinae
Etymology: Cynoglossus: Greek, kyon = dog + Greek, odous = teeth + Greek, glossa = tongue (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
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)
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. 120744)
CITES (Ref. 118484)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 11 - 21.2, mean 18.8 (based on 40 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00591 - 0.03081), b=2.95 (2.75 - 3.15), 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.).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .