CR

Cnesterodon iguape

Unknown

Overview

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

Cnesterodon iguape faces severe threats from urban development and agricultural expansion in the coastal regions of southeastern Brazil, which have dramatically reduced and fragmented its freshwater habitat. Water pollution from agricultural runoff and urban discharge has degraded the quality of remaining streams and rivers where this small livebearing fish occurs. The species' extremely limited range makes it particularly vulnerable to local environmental changes and habitat destruction.

Threat summary

Habitat

This species inhabits small freshwater streams and rivers in the coastal Atlantic Forest region of southeastern Brazil. It typically occurs in shallow, slow-moving waters with vegetation cover in areas that have experienced significant human modification.

FRESHWATER· major

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Frequently asked questions

Why is Cnesterodon iguape classified as Critically Endangered?
Cnesterodon iguape 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. Cnesterodon iguape faces severe threats from urban development and agricultural expansion in the coastal regions of southeastern Brazil, which have dramatically reduced and fragmented its freshwater habitat. Water pollution from agricultural runoff and urban discharge has degraded the quality of remaining streams and rivers where this small livebearing fish occurs. The species' extremely limited range makes it particularly vulnerable to local environmental changes and habitat destruction.
Where does Cnesterodon iguape live?
Cnesterodon iguape 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 Cnesterodon iguape?
The main threats to Cnesterodon iguape 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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