Spratellomorpha bianalis, Two-finned round herring : fisheries

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Spratellomorpha bianalis (Bertin, 1940)

Two-finned round herring
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Image of Spratellomorpha bianalis (Two-finned round herring)
Spratellomorpha bianalis
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Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Clupeiformes (Herrings) > Ehiravidae (River sprats)
Etymology: Spratellomorpha: Old German, sprotte (1611) = a small fish, Clupea sp.+ greek,morphe = shape (Ref. 45335).

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

; süßwasser; brackwasser pelagisch. Tropical; 0° - 26°S, 37°E - 50°E (Ref. 188)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Africa: Madagascar (Ref. 188, 3509), probably restricted to the Majunga region (Ref. 33664). Also reported from Kenya coast at Port Tudor (Ref. 188, 117486), but whether this Mombassa material is conspecific with Spratellomorpha bianalis from Madagascar is currently unclear (Ref. 33664).

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 4.5 cm SL Männchen/unbestimmt; (Ref. 188)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 14-17; Afterflossenstacheln 0; Afterflossenweichstrahlen: 16 - 18; Wirbelzahl: 45 - 46. Diagnosis: Body elongate, a little compressed; belly rounded, without pre-pelvic and post-pelvic scutes, but a pelvic scute present with slender vertical arms; gillrakers 26-31; pelvic fin with 1 unbranched and 7-8 branched finrays, well before dorsal fin origin; last two anal finrays separate, forming a distinct little finlet (Ref. 188, 117486, 121271). This species is distinguished from other clupeids by the presence of 2 anal fins, of which the second anal fin comprises 2 finrays (Ref. 188, 121271).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Presumed marine or estuarine (Ref. 188), but its reported presence in Port Tudor, an area where estuarine conditions prevail, would indicate that the species may be confined to estuaries (Ref. 117486) and it is found in fresh and brackish water in Madagascar (Ref. 13333, 117576). Maximum total length 6.0 cm (Ref. 121271).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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)

  Daten mangelhaft (DD) ; Date assessed: 30 June 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: kleinfischerei
FAO - Publication: search | FishSource |

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Internet Quellen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes: Gattung, Arten | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: Genom, 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: Gehe zu, Suchen | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00365 - 0.02081), b=3.02 (2.81 - 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
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).
Preiskategorie (Ref. 80766):   Low.
Nutrients (Ref. 124155):  Calcium = 768 [341, 2,235] mg/100g; Iron = 4.34 [2.24, 8.37] mg/100g; Protein = 18.6 [17.3, 19.8] %; Omega3 = 0.535 [0.201, 1.434] g/100g; Selenium = 55.5 [19.4, 148.8] μg/100g; VitaminA = 30.2 [10.2, 87.0] μg/100g; Zinc = 3.93 [2.37, 6.49] mg/100g (wet weight);