VU

Mierderito

Pimelodus coprophagus

Unknown

Overview

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

The Mierderito faces severe pressure from agricultural runoff and sewage discharge that degrades water quality in its native river systems. Dam construction has fragmented its habitat and altered natural flow patterns essential for spawning. Overfishing using fine-mesh nets has significantly reduced adult populations, while introduced species compete for limited food resources.

Threat summary

Habitat

The Mierderito inhabits slow-moving rivers and tributaries with muddy substrates in South American lowland basins. It prefers areas with organic-rich sediments and moderate water flow, typically found at depths of 2-8 meters.

FRESHWATER· major

Frequently asked questions

Why is Mierderito classified as Vulnerable?
Mierderito is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. The Mierderito faces severe pressure from agricultural runoff and sewage discharge that degrades water quality in its native river systems. Dam construction has fragmented its habitat and altered natural flow patterns essential for spawning. Overfishing using fine-mesh nets has significantly reduced adult populations, while introduced species compete for limited food resources.
Where does Mierderito live?
Mierderito occurs in Colombia, Peru, and Venezuela. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Mierderito?
The main threats to Mierderito are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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