Sauvagella madagascariensis, Madagascar round herring

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Sauvagella madagascariensis (Sauvage, 1883)

Madagascar round herring
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Sauvagella madagascariensis
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Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Clupeiformes (Herrings) > Clupeidae (Herrings, shads, sardines, menhadens) > Ehiravinae
Etymology: Sauvagella: Because of Sauvage, 1860-1880 and 1875-1891; ichtyologist that studied the Ogowe; author of "Histoire naturelle des poissons de Madagascar";  madagascariensis: Named for the island to which it is endemic, Madagascar (Ref. 33664)  More on author: Sauvage.

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

; acqua dolce; salmastro pelagico; distribuzione batimetrica - m (Ref. ), usually - m (Ref. ).   Tropical; 0°C - ; 11°S - 26°S, 42°E - 50°E (Ref. 188)

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Africa: mid and lower reaches of eastern coastal rivers and Pangalanes Canal network in Madagascar (Ref. 188, 33664).

Size / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 6.6 cm SL maschio/sesso non determinato; (Ref. 33664)

Short description Morfologia | Morfometria

Spine dorsali (totale): 0; Raggi dorsali molli (totale): 13-17; Spine anali 0; Raggi anali molli: 17 - 19; Vertebre: 41 - 43. Diagnosis: Body elongate, a little compressed; belly rounded, without pre-pelvic scutes, but a pelvic scute present with slender lateral arms; gillrakers few, 17-20 gillrakers on lower limb of first arch; pelvic fin with 1 unbranched and 7 branched finrays, a little anterior to dorsal fin origin; last two anal finrays not separate from others (Ref. 188, 33664). It is distinguished from other non-scuted clupeids of Spratelloides, Dussumieria and Etrumeus by presence of a normal pelvic scute vs. W-shaped (Ref. 188). It is distinguished from Sauvagella robusta by a higher vertebral number, 41-43 vs. 38-40; a shallower body, 15.8-21.1% of standard length vs. 20.8-27.4%; a longer snout, 26.2-33.7% of head length vs. 18.5-26.6%; and a higher anal fin ray count, 17-19 vs. 13-17 (Ref. 33664).

Biologia     Glossario (es. epibenthic)

Found in freshwaters, possibly tolerating brackish water (Ref. 188); from sea level to about 450m, mostly in smaller rivers and streams and usually in forested areas (Ref. 56161). Probably planktivorous (Ref. 56161).

Life cycle and mating behavior Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Stiassny, M.L.J., 2002. Revision of Sauvagella Bertin (Clupeidae; Pellonulinae; Ehiravini) with a description of a new species from the freshwaters of Madagascar and diagnosis of the Ehiravini. Copeia 2002(1):67-76. (Ref. 33664)

IUCN Red List Status (Ref. 124695)

  Least Concern (LC) ; Date assessed: 29 June 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Pesca: di nessun interesse
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Informazioni ulteriori

Stati
Aree FAO
Ecosystems
Presenze
Introduzioni
Stocks
Ecologia
Dieta
Prede
Consumo di cibo
Razione
Nomi Comuni
Sinonimi
Metabolismo
Predatori
Ecotossicologia
Riproduzione
Maturità
Deposizione
Spawning aggregation
Fecundity
Uova
Egg development
Age/Size
Accrescimento
Length-weight
Length-length
Length-frequencies
Morfometria
Morfologia
Larve
Dinamica popolazioni larvali
Reclutamento
Abbondanza
BRUVS
Bibliografia
Acquacoltura
Profilo di acquacoltura
Varietà
Genetica
Frequenze alleliche
Ereditarietà
Malattie
Elaborazione
Nutrients
Mass conversion
Collaboratori
Immagini
Stamps, Coins Misc.
Suoni
Ciguatera
Velocità
Modalità di nuoto
Area branchiale
Otoliths
Cervelli
Vista

Strumenti

Special reports

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Fonti Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Genere, Specie | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, ricerca | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00371 - 0.02139), b=3.03 (2.83 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.1   ±0.3 se; based on size and trophs of closest relatives
Resilienza (Ref. 120179):  Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .