Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển; Ở đại duơng, biển (Ref. 51243); Mức độ sâu ? - 20 m (Ref. 189). Subtropical; 22°S - 40°S, 60°W - 42°W (Ref. 189)
Southwest Atlantic: Rio de Janeiro, Brazil to Mar del Plata, Argentina.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.0 cm SL con đực/không giới tính; (Ref. 27363); common length : 9.0 cm SL con đực/không giới tính; (Ref. 27363)
Các tia vây lưng cứng (tổng cộng) : 0; Các vây lưng mềm (tổng cộng) : 12 - 13; Tia cứng vây hậu môn: 0; Tia mềm vây hậu môn: 20 - 24. Snout long and pointed, almost equal to eye diameter; maxilla fairly long, tip bluntly pointed, reaching just or almost to hind border of pre-operculum; gill cover canals of panamensis-type; pseudobranch long, more than eye diameter, with about 30 filaments. Anus nearer to anal fin origin than to pelvic fin tips (Ref. 189). Body dark blue or greenish above, with a wide silver stripe along sides (Ref. 27363).
Found inshore down to at least 20 m deep (Ref. 189). Presumably feeds on zooplankton (Ref. 189). Eggs recorded off Rio Grande do Sul, Brazil in July and late August to early September, oval in shape and 0.94-1.02 by 0.68-0.83 mm (Ref. 189).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Spawn in school (Ref. 205).
Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. 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(7/2):305-579. Rome: FAO. (Ref. 189)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00245 - 0.00814), b=3.14 (2.99 - 3.29), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 3.4 ±0.45 se; based on food items.
Generation time: 1.1 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Thích nghi nhanh (Ref.
120179): Chiêù cao, thời gian nhân đôi của chủng quần tối thiểu là dưới 15 tháng (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
Nutrients (Ref.
124155): Calcium = 215 [131, 529] mg/100g; Iron = 2.15 [1.12, 4.01] mg/100g; Protein = 17.8 [15.5, 20.6] %; Omega3 = 0.417 [0.222, 0.832] g/100g; Selenium = 17 [7, 40] μg/100g; VitaminA = 17.7 [4.6, 59.5] μg/100g; Zinc = 1.2 [0.8, 1.8] mg/100g (wet weight);