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Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Nematalosa: Greek, nema, -atos = filament + Latin, alausa = a fish cited by Ausonius and Latin, halec = pickle, dealing with the Greek word hals = salt; it is also the old Saxon name for shad = "alli" ; 1591 (Ref. 45335).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce pélagique. Tropical; 4°S - 7°S
Oceania: endemic to Papua New Guinea (only known from Fly and Strickland rivers).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 21.0 cm SL mâle / non sexé; (Ref. 2847)
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 16 - 17; Épines anales: 0; Rayons mous anaux: 17 - 26. Belly with 16 to 18 (usually 17) + 10 to 13 (usually 11 or 12), total 26 to 31 (usually 28 or 29) scutes. Anterior arm of pre-operculum wit a fleshy triangular area above, not covered by third infra-orbital bone (see N. come). Edge of lower jaw strongly flared outward. Pectoral axillary scales absent. Hind edge of scales toothed; no dark spot behind gill opening; a band on flank.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Occurs in rivers, but there is no indication whether it descends to estuaries. A filter-feeder. More data needed.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Whitehead, P.J.P., 1985. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/1):1-303. Rome: FAO. (Ref. 188)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: pêcheries vivrières
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=3.06 (2.89 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 3.4 ±0.45 se; based on food items.
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (16 of 100).
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