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Macrobrachium reyesi

Unknown

Overview

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

Macrobrachium reyesi faces severe threats from habitat degradation and water pollution in its limited freshwater range. Dam construction and water extraction for agriculture have altered natural flow regimes, while agricultural runoff introduces pesticides and fertilizers that degrade water quality. The species' restricted distribution makes it particularly vulnerable to localized environmental changes and human activities within its watershed.

Threat summary

Habitat

This freshwater prawn inhabits clean, well-oxygenated streams and rivers in tropical regions, typically preferring areas with rocky substrates and moderate to fast-flowing water. The species requires specific water chemistry conditions and is sensitive to pollution and habitat modifications.

FRESHWATER· major

Frequently asked questions

Why is Macrobrachium reyesi classified as Endangered?
Macrobrachium reyesi is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Macrobrachium reyesi faces severe threats from habitat degradation and water pollution in its limited freshwater range. Dam construction and water extraction for agriculture have altered natural flow regimes, while agricultural runoff introduces pesticides and fertilizers that degrade water quality. The species' restricted distribution makes it particularly vulnerable to localized environmental changes and human activities within its watershed.
Where does Macrobrachium reyesi live?
Macrobrachium reyesi occurs in Colombia, 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 Macrobrachium reyesi?
The main threats to Macrobrachium reyesi 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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