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#2099 · 🐟 fish

Bleak

🇳🇱 Alver ·Alburnus alburnus

LCleast concern 🐟 Fish 📍 in the Netherlands
Bleak, photo 1 of 10
1/10 © United Nations Development Programme in Europe and CIS · CC BY-NC-SA 4.0

what is it?

The common bleak ( Alburnus alburnus ) is a small freshwater coarse fish of the cyprinid family.

base stats

  • NL sightings 40iNaturalist, research grade
  • worldwide 3,944iNaturalist observations
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 40 times in the Netherlands on iNaturalist: the #28 most seen of the fish in NL.
  • 3,944 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
Bleak
Nederlands
Alver
scientific name
Alburnus alburnus
class
Actinopterygii
order
Cypriniformes
family
Leuciscidae
IUCN Red List
LC · least concern
sightings in NL
40
sightings in Europe
2,687
sightings worldwide
3,944
GBIF records in NL
7,132
weight
—
length
—
lifespan
—
named
1758

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Leuciscidae

Sources: iNaturalist taxon 93611, Wikidata Q200473, GBIF 2362925, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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