Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser; brackwasser pelagic-neritic; tiefenbereich 0 - 50 m (Ref. 189). Tropical; 4°S - 29°S, 50°W - 35°W (Ref. 189)
Southwest Atlantic: Brazil, from Ceará to Santa Catarina. Occurrence north of Brazil needs verification.
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 6.5 range ? - ? cm
Max length : 10.2 cm TL Männchen/unbestimmt; (Ref. 97037); common length : 5.5 cm SL Männchen/unbestimmt; (Ref. 189)
Rückenflossenstacheln (insgesamt) : 0; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 192 - 22. Snout moderate, about 1/2 eye or a little more; maxilla moderate, tip not sharply pointed, not or only just reaching hind border of pre-operculum; gill cover canals of walkeri-type. Anal fairly short, its origin under about midpoint of dorsal fin base. Anus nearer to pelvic fin tips than to anal fin origin. Silver stripe along flank, about 1/2 eye diameter or a little more.
Body shape (shape guide): elongated; Cross section: oval.
A schooling species occurring in coastal waters. Recorded in salinities of 7.94-31.31 ppt in the Santa Cruz canal, Pernambuco, Brazil. More data needed based on correct identifications.
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: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: nicht kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00473 - 0.01397), b=3.14 (3.00 - 3.28), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 2.9 ±0.24 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Anfälligkeit der Fischerei (Ref.
59153): Low vulnerability (10 of 100).
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