Ecology of the Exotic Giant Rams-Horn Snail, Marisa cornuarietis, Other Biological Characteristics and a Species/Ecological Review of the Literature of the Comal Springs Ecosystem of South Central Texas

Author Arsuffi FL, Whiteside BG, Howard MD and Badough MC (Southwest Texas State University Dept of Biology-Aquatic Station)
Year 1992
Description Literature research on endangered species of the Edwards Aquifer, and field and laboratory studies on the giant rams-horn snail (Marisa cornuarietis)
Publisher Edwards Aquifer Authority
Location Comal Springs
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Summary

Phase 1 is an ecological literature review and annotated bibliography of Fountain Darter (Etheostoma fontlcola), San Marcos Salamander (Eurycea nana), Comal Springs riffle beetle (Heterelmls comalensis), Peck’s cave amphlpod (Stygobromus pecki), Comal Springs dryopld beetle (Stygoparnus comalensis), Giant rams-horn snail (Marisa cornuarietis).

Phase II is descriptive and manipulative field studies to determine the impact of the giant rams-horn snail (Marisa cornuarietis) on the Comal Springs aquatic ecosystem, and also laboratory feeding experiments.