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Elliptio chipolaensis

Declining

Overview

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

The Chipola Slabshell faces severe threats from habitat degradation and water quality decline in the Chipola River system of Florida and Alabama. Dam construction and water diversions have altered natural flow regimes essential for reproduction, while agricultural runoff and urban development have increased sedimentation and nutrient pollution. The species' restricted range makes it particularly vulnerable to localized environmental changes, with declining water quality affecting both the mussels and their fish hosts required for larval development.

Threat summary

Habitat

The Chipola Slabshell inhabits sandy and muddy substrates in flowing waters of the Chipola River system in northwestern Florida and southeastern Alabama. This freshwater mussel requires clean, well-oxygenated water with stable flow patterns and depends on specific fish species as hosts for its larval stage.

FRESHWATER· major

Frequently asked questions

Why is Elliptio chipolaensis classified as Endangered?
Elliptio chipolaensis 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. The Chipola Slabshell faces severe threats from habitat degradation and water quality decline in the Chipola River system of Florida and Alabama. Dam construction and water diversions have altered natural flow regimes essential for reproduction, while agricultural runoff and urban development have increased sedimentation and nutrient pollution. The species' restricted range makes it particularly vulnerable to localized environmental changes, with declining water quality affecting both the mussels and their fish hosts required for larval development.
Where does Elliptio chipolaensis live?
Elliptio chipolaensis occurs in United States. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Elliptio chipolaensis?
The main threats to Elliptio chipolaensis 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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