CRCritically Endangered

Cambarellus prolixus

Cambarellus prolixus is a small freshwater crayfish species endemic to a limited range in the southeastern United States. This diminutive crustacean belongs to the dwarf crayfish group, characterized by its small size and specialized habitat requirements.

1

Countries

01Classification

Taxonomy & Classification

Kingdom

ANIMALIA

Phylum

ARTHROPODA

Class

MALACOSTRACA

Order

DECAPODA

Family

CAMBARIDAE

Genus

Cambarellus

Cambarellus prolixus belongs to the family CAMBARIDAE, order DECAPODA, within the MALACOSTRACA class.

02Description

Species Profile

Cambarellus prolixus is a small freshwater crayfish species endemic to a limited range in the southeastern United States. This diminutive crustacean belongs to the dwarf crayfish group, characterized by its small size and specialized habitat requirements. The species inhabits shallow freshwater environments including streams, springs, and associated wetland areas within its restricted geographic range. Like many freshwater crayfish species, C. prolixus faces significant conservation challenges that have led to its classification as Critically Endangered by the IUCN. The primary threats to this species include habitat degradation and loss due to human activities such as urban development, agricultural expansion, and water management practices. Water quality deterioration from pollution, sedimentation, and altered hydrology further compounds these pressures. The species' limited distribution makes it particularly vulnerable to localized environmental changes and catastrophic events. Climate change may also pose additional risks through altered precipitation patterns and temperature regimes that could affect suitable habitat availability. Conservation efforts for C. prolixus are complicated by the species' restricted range and specific habitat requirements. Effective protection requires maintaining water quality standards, preserving riparian vegetation, and implementing appropriate land use practices within the watershed. Research into the species' ecology, population dynamics, and specific habitat needs remains important for developing targeted conservation strategies. Monitoring programs are essential to track population trends and assess the effectiveness of conservation measures.

Cambarellus prolixus faces habitat loss and degradation from urban development, agriculture, and altered water management practices. Water quality deterioration from pollution and sedimentation poses additional risks to this freshwater species. The species' limited geographic range makes it particularly vulnerable to localized environmental changes and human impacts.

Key Facts

IUCN StatusCritically Endangered (CR)
GroupCrustaceans
03Habitat

Habitat & Distribution

Cambarellus prolixus inhabits shallow freshwater environments including streams, springs, and associated wetland areas. The species requires clean water with appropriate flow regimes and suitable substrate conditions within its restricted southeastern United States range.

Wetlands (inland) - Permanent freshwater lakesMajor
04Threats

Threats

!

IUCN Red List: Critically Endangered

Cambarellus prolixus faces habitat loss and degradation from urban development, agriculture, and altered water management practices. Water quality deterioration from pollution and sedimentation poses additional risks to this freshwater species. The species' limited geographic range makes it particularly vulnerable to localized environmental changes and human impacts.

Agricultural & forestry effluents

Ongoing

Annual & perennial non-timber crops

Ongoing

Dams & water management/use

Ongoing

Industrial & military effluents

Ongoing

Logging & wood harvesting

Ongoing

Other ecosystem modifications

Ongoing

Type Unknown/Unrecorded (pollution)

Ongoing
05Conservation

Conservation Actions

Species recovery
06Range

Found in 1 Country

Community

Community Sightings

Report a sighting

No community sightings yet. Be the first to report!

07Sources

Sources & Attribution

How to Cite

IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS

GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org

This page: SpeciesRadar (2025). Cambarellus prolixus (Cambarellus prolixus). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/cambarellus-prolixus-2227443

Full citation guide & data usage terms