Netherlands country information

Common names: Kleine koornaarvis
Occurrence: introduced
Salinity: freshwater
Abundance: common (usually seen) | Ref: Nijssen, H. and S.J. de Groot, 1974
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Presence in Dutch waters is probably due to transport of eggs by ships. Known from the connected non-tidal, brackish systems of inner harbor of Vlissingen, Kanaal door Walcheren, and Lake Veerse Meer at least until 1990 (Ref. 80052). Also recorded from brackish creek Braakman, Zeeuws-Vlaanderen in 1982 and Den Helder (Ref. 80052). Considered a native species (Ref. 59043). Also Ref. 5980.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nl.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Nijssen, H. and S.J. de Groot, 1974
National Database:

Common names from other countries

Joël, Pejerrey mediterráneo, 银带真银汉鱼, ... more

Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

> Atheriniformes (Silversides) > Atherinidae (Silversides) > Atherininae
Etymology: Atherina: Greek, atherina, the Greek name for the eperlane; 1770 (Ref. 45335).
More on author: Risso.

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

marino; acqua dolce; salmastro demersale; amfidromo (Ref. 59043); distribuzione batimetrica 1 - ? m. Subtropical; 53°N - 20°N, 18°W - 42°E

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

Eastern Atlantic: Portugal and Spain to Nouadhibou in Mauritania and Madeira, and throughout the Mediterranean and Black Sea. Isolated populations on coasts of England and the Netherlands (Ref. 5980). Previously, two subspecies were recognized in Russian waters: Atherina boyeri pontica (Eichwald, 1838) from the Black Sea and the Sea of Azov and Atherina boyeri caspia (Eichwald, 1838) from the Caspian Sea (Ref. 26334).

Length at first maturity / Size / Peso / Age

Maturity: L_m 5.8, range 5 - ? cm
Max length : 20.0 cm TL maschio/sesso non determinato; (Ref. 30578); Età massima riportata: 4 anni (Ref. 59043)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 7 - 10; Raggi dorsali molli (totale) : 8 - 16; Spine anali: 2; Raggi anali molli: 10 - 18. Eye diameter wider than snout length (Ref. 35388).

A very euryhaline species, where adults are frequently found in brackish waters and more sporadically in freshwater (Ref. 3788), preferring still or slow flowing waters in freshwater (Ref. 59043). They are found in lower parts of rivers, estuaries, coastal lakes and sea; pelagic in lakes (Ref. 59043). Adults occur in great schools. They are carnivorous, feeding on small crustaceans, worms, mollusks (Ref. 5980) and fish larvae (Ref. 35388) in lakes and estuaries, and on benthos in rivers (Ref. 59043). Can usually live 1 to 2 years, rarely up to 4 years. Some populations undergo spawning migrations into estuaries. Mature individuals are fractional spawners, larger individuals spawn for a longer period. Eggs are demersal, with long hairy appendages attaching them to the substrate consisting of filamentous algae, often at depths of 2 to 6 m. Larvae are pelagic often forming schools close to the shores (Ref. 59043).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore : Dyer, Brian S. | Collaboratori

Maugé, L.A., 1990. Atherinidae. p. 604-605. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 4499)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesca: commerciale

FAO(pesca: production; publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 13.9 - 21, mean 18.3 (based on 136 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00575 (0.00479 - 0.00691), b=3.07 (3.01 - 3.13), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.36 se; based on food items.

Resilienza (Ref. 120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (K=0.8; tm=1; tmax=4;).

Prior r = 0.57, 95% CL = 0.38 - 0.85, Based on 3 data-limited stock assessments.

Fishing Vulnerability (Ref. 59153): Moderate vulnerability (44 of 100).

Climate Vulnerability (Ref. 125649): Moderate vulnerability (44 of 100).

Price category (Ref. 80766): High.

Atherina boyeri Risso, 1810