Actinopteri (ray-finned fishes) > Pleuronectiformes
(Flatfishes) > Bothidae
Etymology: Engyprosopon: Greek, eggys = nearly + Greek,prosopon = a face (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 30 - 100 m (Ref. 126076). Subtropical
Western Pacific: off Taiwan and southern Japan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm SL male/unsexed; (Ref. 559)
Morphology | Morphometrics
soft rays: 59 - 60;
Vertebrae: 34. This speciesi is distinguished by the following characters: gill rakers are slender with spines; lateral line scales 37-40; pelvic-fin rays in males on ocular-side elongate, and its fin membrane with many black spots (Ref. 126076).
Description. D 78-82, A 59-60, pectoral-fin rays on ocular-side 11-12, on blind-side 9-10, caudal-fin rays 3 + 11-2 + 2-3, pelvic-fin rays on ocular-side 6, on blind-side; lateral line scales 37-40; gill rakers 0 + 7; vertebrae 10 + 24 (Ref. 126076).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00933 (0.00489 - 0.01779), b=3.11 (2.95 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (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 (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .