Document Type

Peer-Reviewed Article

Semester of Graduation

Summer 2026

Abstract

Freshwater mussels (Order Unionidae) are important animals that provide valuable ecosystem functions and services. Due to a multitude of factors such as habitat modifications and habitat destruction related to human population growth many mussel populations are declining throughout the United States increasing the need for public awareness. Louisiana is home to 63 mussel species, but most residents are not aware of their presence, importance, or state of imperilment. We addressed this by creating a field guide to the freshwater mussels of Louisiana. Our goals include providing a resource for accurate freshwater mussel field identification, increasing public and scientific awareness of these animals, providing information about their importance to ecosystem health, and promoting a conservation ethic for freshwater mussels in the state. We collated data for species accounts from freshwater mussel textbooks, peer-reviewed research papers, and government reports. Each species account contains a photograph, detailed physical description of the shell, habitat, host fishes, state and federal conservation status, similar species, and any additional information that may aid in identification. In addition, there are accounts for two species of common invasive bivalves and general information about mussel ecology and ecosystem services, the life cycle, and a glossary of malacological terms. This field guide will introduce Louisiana’s residents to the diversity of freshwater mussels in the state and assist scientists studying Louisiana’s freshwater mussels, with the goal of moving toward a future where mussels are appreciated and protected.

Awardee Name

Franchesca Ruiz

Academic Major

Natural Resource Ecology & Management

Project Mentor

Garrett Hopper

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