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Ramnogaster melanostoma (Eigenmann, 1907)
URUGUAY RIVER SPRAT
Life   Vertebrata   Fish   Clupeidae   Ramnogaster


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http://www.fishbase.org/Summary/speciesSummary.php?genusname=Ramnogaster&speciesname=melanostoma ---> http://www.fishbase.org/summary/Ramnogaster-melanostoma.html
http://www.fishbase.org/summary/Ramnogaster-melanostoma.html ---> https://www.fishbase.se/summary/Ramnogaster-melanostoma.html

Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Ramnogaster melanostoma (Eigenmann , 1907)

Uruguay river sprat Upload your photos  and  videos
Pictures | Google image Image of Ramnogaster melanostoma (Uruguay river sprat) Ramnogaster melanostoma
Picture by FAO

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Clupeiformes (Herrings) > Clupeidae (Herrings, shads, sardines, menhadens) > Clupeinae
Etymology: Ramnogaster: Greek, rhamnos, -on = blackberry + Greek, gaster = stomach .  More on author: Eigenmann .

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; pelagic.   Subtropical; 31°S - 38°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Uruguay and Argentina.

Size / Weight / Age

Maturity: L m   ?   range ? - ? cm
Max length : 10.0 cm SL male/unsexed; (Ref. 188 )

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 15-16; Anal spines : 0; Anal soft rays : 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.

Biology     Glossary (e.g. epibenthic)

Apparently confined to freshwater at mouths of rivers and their lower reaches. Presumably schooling.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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 Red List Status (Ref. 120744 )

  Least Concern (LC)  ; Date assessed: 01 March 2007

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: subsistence fisheries FAO(Publication : search ) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00692 (0.00347 - 0.01380), b=3.12 (2.95 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.1   ±0.1 se; Based on size and trophs of closest relatives Resilience (Ref. 120179 ):  High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). Vulnerability (Ref. 59153 ):  Low vulnerability (12 of 100) . Price category (Ref. 80766 ):   Low .

Entered by Binohlan, Crispina B. Modified by Bailly, Nicolas Fish Forum
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