Klassifizierung / Names
Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
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Clupeiformes (Herrings) >
Clupeidae (Herrings, shads, sardines, menhadens)
Etymology: Ramnogaster: Greek, rhamnos, -on = blackberry + Greek, gaster = stomach.
More on author: Eigenmann.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser pelagisch. Subtropical; 31°S - 38°S
South America: Uruguay and Argentina.
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 10.0 cm SL Männchen/unbestimmt; (Ref. 188)
Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 15-16; Afterflossenstacheln 0; Afterflossenweichstrahlen: 12 - 23. Belly sharply keeled. No distinct silver stripe along the flank and the first (anterior) supra-maxilla minute or absent (cf. Platanichthys platana). Distinguished from very similar R. arcuata of coastal waters by having fewer dorsal and pectoral fin rays and fewer gill rakers total; from small Sardinella and Harengula by the evenly rounded hind margin of the gill opening.
Apparently confined to freshwater at mouths of rivers and their lower reaches. Presumably schooling.
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
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)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
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