Apple Snail
Apple Snail
Native to South America, the Apple snail was likely introduced to the Southeast United States by way of the aquarium trade. Certain species are established in Florida, Georgia, Texas, and Louisiana, which is of concern as they have the potential to negatively impact wetland and aquatic ecosystems, agricultural crops, and human health – as they can carry parasites. Apple snails can grow to 6 inches high, and are found in freshwater lakes, rivers, streams, ponds, and ditches. Their presence is often indicated by the bright pink egg masses that consist of hundreds, if not thousands of individual eggs.
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Multispecies Operational Forecasting in the Florida Everglades
A USGS forecasting tool helps Everglades natural resource managers identify management actions that can benefit one or more species while quantifying the potential costs to others.
The Nonindigenous Aquatic Species Flood and Storm Tracker (FaST)
Storm-related flooding can lead to the potential spread of nonindigenous (or non-native) aquatic species into waterways they have not been seen in before. The USGS Nonindigenous Aquatic Species program has developed an innovative mapping tool to help natural resource managers with post-storm nonindigenous aquatic species detection and assessment efforts.
Effects of Native and Non-native Fishes on Native Apple Snail Population Dynamics
The Florida apple snail is a critical component of the state's wetland food webs. USGS scientists assess the effects of native and non-native fishes on the native snail populations.
Habitat Modeling for the Endangered Everglades Snail Kite and Its Prey
Joint Ecosystem Modeling (JEM) provides real-time habitat suitability models for species of interest in Everglades restoration planning, including the federally endangered Everglades snail kite.
Joint Ecosystem Modeling: EverSnail
EverSnail, developed in collaboration with the University of West Florida, is an age- and size-structured spatially-explicit landscape model of native apple snails ( Pomacea paludosa ).
Pilot Testing and Protocol Development of Apple Snail Suppression at Mandalay National Wildlife Refuge
The maculata apple snail (Pomacea maculata) has invaded many coastal and some inland areas in south Louisiana. Reports have indicated that the freshwater snails have significantly reduced the amount of submerged aquatic vegetation (SAV) and floating leaved vegetation (FLV) available for waterfowl and other wildlife.
Determining the Efficacy of Agricultural Oils for Suppressing Applesnail Egg Mass Hatch-out
Maculata applesnails (Pomacea maculata) are exotic freshwater snails that have been widely introduced along the Gulf of Mexico coast. The snails can significantly impact freshwater macrophytes and reduce the quality of water bodies.
Movement of Maculata Applesnails in Southern Louisiana Swamps
Maculata applesnails (Pomacea maculata) are exotic freshwater snails that have been widely introduced along the Gulf of Mexico coast. They can significantly impact freshwater macrophytes and reduce water quality.