Alosa macedonica
CR

Alosa macedonica

UnknownVUEUVUEU

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Alosa_macedonica

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Alosa macedonica faces severe population decline primarily due to dam construction and river regulation that blocks spawning migrations and fragments populations. Overfishing in both marine and freshwater environments has further reduced already small populations. Water pollution from agricultural runoff and industrial discharge degrades critical spawning habitats in tributary rivers.

Threat summary

Habitat

This anadromous fish inhabits coastal waters of the Aegean Sea and migrates into freshwater rivers for spawning. It requires clean, free-flowing rivers with gravel beds for successful reproduction, particularly in tributaries of major river systems in the Balkans.

Marine oceanic· majorWetlands (inland) - Permanent freshwater lakes· major

Conservation measures underway

Site/area protectionSpecies managementSpecies recovery

Other threatened species in CLUPEIDAE

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Frequently asked questions

Why is Alosa macedonica classified as Critically Endangered?
Alosa macedonica is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Alosa macedonica faces severe population decline primarily due to dam construction and river regulation that blocks spawning migrations and fragments populations. Overfishing in both marine and freshwater environments has further reduced already small populations. Water pollution from agricultural runoff and industrial discharge degrades critical spawning habitats in tributary rivers.
Where does Alosa macedonica live?
Alosa macedonica occurs in Greece. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Alosa macedonica?
The main threats to Alosa macedonica are 11.1, 2.1, 5.3, and 7.3. The full IUCN-classified threat record for this species is detailed on the species page.

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