CR

Cryphiops brasiliensis

Unknown

Overview

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

Cryphiops brasiliensis faces severe population decline primarily due to dam construction and water diversion projects that fragment river systems and alter natural flow regimes essential for its reproductive cycle. Overfishing and collection for the aquarium trade have further reduced wild populations, while agricultural runoff and urban pollution degrade water quality in its remaining habitat. The species' restricted range along specific river basins makes it particularly vulnerable to localized environmental changes.

Threat summary

Habitat

This freshwater prawn inhabits clean, well-oxygenated rivers and streams with rocky or sandy substrates in southeastern Brazil. It requires specific water flow conditions and temperature ranges, typically found in mid-elevation river systems with natural flow patterns.

Wetlands (inland) - Permanent rivers/streams· major

Conservation measures underway

Site/area protection

Frequently asked questions

Why is Cryphiops brasiliensis classified as Critically Endangered?
Cryphiops brasiliensis 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. Cryphiops brasiliensis faces severe population decline primarily due to dam construction and water diversion projects that fragment river systems and alter natural flow regimes essential for its reproductive cycle. Overfishing and collection for the aquarium trade have further reduced wild populations, while agricultural runoff and urban pollution degrade water quality in its remaining habitat. The species' restricted range along specific river basins makes it particularly vulnerable to localized environmental changes.
Where does Cryphiops brasiliensis live?
Cryphiops brasiliensis occurs in Brazil. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Cryphiops brasiliensis?
The main threats to Cryphiops brasiliensis are 1.1, 7.2, 9.3, and ai-1. The full IUCN-classified threat record for this species is detailed on the species page.

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