Actinopterygii (ray-finned fishes) >
Pleuronectiformes (Flatfishes) >
Paralichthyidae (Large-tooth flounders)
Etymology: Syacium: Greek, yagke, -es = cheek; diminutive (Cfr. Aaptosyax).
Environment / Climate / Range
Ecology
Marine; demersal; depth range 37 - 73 m (Ref. 10878). Tropical, preferred ?
Eastern Atlantic: off Mauritania and Western Sahara to Walvis Bay, Namibia (Ref. 4417, 11228).
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 29.5 cm TL male/unsexed; (Ref. 89108)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 84-93;
Anal
spines: 0;
Anal
soft rays: 62 - 73;
Vertebrae: 34 - 36. 11-12 pectoral fin rays on ocular side, 10 on blind side. Preserved specimens uniformly brownish on ocular side, yellowish-white on blind side; fins paler than body (dorsal and anal fins with regular series of dark blotches); pectoral fin on ocular side with dark bars; caudal fin with scattered indistinct dark blotches (Ref. 10878). Exhibits sexual dimorphism, mature males with greater interorbital width compared to females and the upper one or two pectoral fin rays on the ocular side are extended and filamentous (Ref. 10878).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Distinct pairing (Ref. 205).
Murakami, T. and K. Amaoka, 1992. Review of the genus Syacium (Paralichthyidae) with the description of a new species from Ecuador and Columbia. Bull. Fac. Fish. Hokkaido Univ. 43(2):61-95. (Ref. 10878)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial
More information
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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