Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser; brackwasser; tiefenbereich 1 - 50 m (Ref. 189). Tropical; 10°N - 27°S, 61°W - 37°W (Ref. 189)
Western Atlantic: Orinoco River mouth, Venezuela and the Guianas south to Rio Ribeiro do Iguape, Sao Paulo, Brazil.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm TL Männchen/unbestimmt; (Ref. 5217); common length : 7.0 cm TL Männchen/unbestimmt; (Ref. 5217)
Rückenflossenstacheln (insgesamt) : 0; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 15 - 17. Snout short, about 1/2 eye diameter and projecting only slightly beyond lower jaw; maxilla short, tip bluntly rounded, failing to reach pre-operculum by about 1/2 pupil diameter; lower jaw longer than upper, its symphysis almost at tip of snout. Gill cover canals of panamensis-type. Anal fin origin below last part of dorsal fin base. Stripe about 3/4 eye diameter over anal fin (Ref. 188).
Occurs in coastal waters, but also in estuaries and into almost freshwater. Ripe or almost ripe individuals were caught in March and May.
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
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 Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kleinfischerei
Tools
Zusatzinformationen
Download XML
Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 27 - 27.9, mean 27.5 °C (based on 78 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00253 - 0.01141), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
