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Carangaria/misc (Various families in series Carangaria) >
Polynemidae (Threadfins)
Etymology: Polynemus: Greek, poly = a lot of + Greek,nema = filament (Ref. 45335); aquilonaris: From the Latin for northern, in reference to the northern distribution (Indochina) of the species, compared with that of the related Polynemus dubius (Ref. 49954).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce; estuarina demersal. Tropical
Asia: Chao Phraya and Mekong River systems and from Lake Tonle Sap and related rivers.
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 15.8 cm SL macho/indeterminado; (Ref. 49954)
Espinhos dorsais (total) : 9; Raios dorsais (total) : 15 - 19; Espinhos anais: 3; Raios anais : 11 - 13; Vértebras: 25. Eight first dorsal fin spines; 7 pectoral filaments, upper 2 filaments longer than TL; vomer with villiform teeth; orbit diameter 4% of SL; posterior portion of maxilla less than orbit diameter (Ref. 49954).
Found on sandy or muddy bottoms of freshwater rivers and estuaries (Ref. 49954). Feeds on small crustaceans, small fishes, and benthic organisms (Ref. 57343). Exported to Japan as an ornamental fish (Ref. 57343). Esteemed food fish in the Chao Phraya and Mekong rivers and at Tonle Sap Lake (Ref. 57343).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Motomura, H., 2004. Threadfins of the world (Family Polynemidae). An annotated and illustrated catalogue of polynemid species known to date. FAO Spec. Cat. Fish. Purp. Rome: FAO. 3:117 p. (Ref. 57343)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-2)
Ameaça para os humanos
Harmless
Uso pelos humanos
Pescarias: espécies comerciais; Aquário: Espécies comerciais
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00676 (0.00308 - 0.01483), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.8 ±0.56 se; based on food items.
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).