OUACHITA KIDNEYSHELL MUSSEL

KANSAS: Threatened
FEDERAL: N/A
Scientific Name: Ptychobranchus occidentalis
CATEGORY: T&E
SPECIES CLASS: Invertebrates
Date Listed: SINC 1987; T1993
Recovery Plan: Yes

SPECIES DESCRIPTION

This freshwater mussel has an elongated, compressed shell which is thick to moderately thick. The exterior color ranges from yellow to tan to brown with fine, wave rays over most of the shell. The inside of the shell is white. Maximum length is approximately 6 inches.

It is an obligate riverine mussel preferring gravel substrate with clean flowing water. Historically occurred in the main stems and major tributaries of the Verdigris, Neosho and Spring Rivers. It still occurs in many of these areas, but at much reduced numbers.

SPECIES PROTECTION AND CRITICAL HABITATS:

Ouachita Kidneyshell Mussels are protected by the Kansas Nongame and Endangered Species Conservation Act and administrative regulations applicable thereto. Any time an eligible project is proposed that will impact the species’ preferred habitats within its probable range, the project sponsor must contact the Ecological Services Section, Kansas Department of Wildlife, Parks and Tourism, 512 SE 25th Ave., Pratt, Kansas 67124-8174. Department personnel can then advise the project sponsor on permit requirements.

DESIGNATED CRITICAL HABITATS

As defined by Kansas Administrative Regulations, critical habitats include those areas documented as currently supporting self-sustaining population(s) of any threatened or endangered species of wildlife as well as those areas determined by the Kansas Department of Wildlife, Parks and Tourism to be essential for the conservation of any threatened or endangered species of wildlife.

Currently, the following areas are designated critical for Ouachita Kidneyshell Mussels:

 

The following counties contain critical habitat for OUACHITA KIDNEYSHELL MUSSEL :
Allen
Chase
Chautauqua
Cherokee
Coffey
Elk
Greenwood
Labette
Lyon
Montgomery
Morris
Neosho
Wilson
Woodson

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