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> Pleuronectiformes (Flatfishes) > Cyclopsettidae (Sand whiffs)
Etymology: Syacium: Greek, yagke, -es = cheek; diminutive (Cfr. Aaptosyax).
More on author: Bleeker.

Environment: milieu / climate zone / depth range / distribution range Écologie

marin démersal; profondeur 37 - 73 m (Ref. 10878). Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eastern Atlantic: off Mauritania and Western Sahara to Walvis Bay, Namibia (Ref. 4417, 11228).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 29.5 cm TL mâle / non sexé; (Ref. 89108)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 84 - 93; Épines anales: 0; Rayons mous anaux: 62 - 73; Vertèbres: 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 Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Distinct pairing (Ref. 205).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 15 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: intérêt commercial mineur

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 18.3 - 20.9, mean 19.3 °C (based on 19 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00741 (0.00396 - 0.01388), b=3.07 (2.91 - 3.23), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 3.3 ±0.4 se; based on size and trophs of closest relatives

Résilience (Ref. 120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (20 of 100).

Catégorie de prix (Ref. 80766): Very high.

Syacium guineense (Bleeker, 1862)