India country information

Common names: Day's round-herring, Nil
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: of no interest | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in southwestern India (Ref. 43640). Found in rivers, estuaries (Ref. 4832) and coastal waters (Ref. 45255). Considered at lower risk in Western Ghats (Ref. 50614). Also Ref. 188. Status of threat: Critically endangered (Ref. 45212).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/in.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Talwar, P.K. and A.G. Jhingran, 1991
National Database:

Common names from other countries

Day's round-herring, 印度尼西亚少棱圆鲱, Dajell, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Clupeiformes (Herrings) > Ehiravidae (River sprats)
Etymology: Dayella: Because of Day, Francis; (1878-1888), author of four books related to Indian fishes.
More on author: Day.

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

marina; sötvatten; brackvatten; amfidrom (Ref. 51243). Tropical; 13°N - 6°N, 73°E - 80°E (Ref. 188)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Asia: Southwestern India.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.0 cm SL hane/ej könsbestämd; (Ref. 188)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 12-18; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 16 - 27. With 1 to 4 unkeeled and irregular scutes without vertical arms; pelvic scute with vertical arms (not W-shaped, cf. Spratelloides, Dussumieria); no post-pelvic scutes. Snout pointed, lower jaw a little prominent, small but distinct teeth in each jaw; second supra-maxilla long; gill rakers on hind face of third epibranchial (cf. absent in Ehirava fluviatilis).

Found in rivers, estuaries (Ref. 188) and coastal waters (Ref. 45255).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

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. 130435)

Least Concern (LC) ; Date assessed: 28 February 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: husbehovsfiske

FAO(Publication : search) | FishSource |

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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).

Trofisk nivå (Ref. 69278): 3.1 ±0.3 se; based on size and trophs of closest relatives

Resiliens (Ref. 120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Price category (Ref. 80766): Low.

Dayella malabarica (Day, 1873)