Origin and Arrival in Florida
The walking catfish (Clarias batrachus) is native to Southeast Asia. It was introduced to Florida primarily through the aquarium trade. In the 1960s, some escaped or were released from aquaculture facilities and private ponds.
Spread Across the State
Walking catfish can move over land between water bodies using their pectoral fins and body. They thrive in warm, stagnant, or slow-moving waters. Since their introduction, they have spread widely across central and southern Florida.
Ecological and Regulatory Context
In Florida, walking catfish are classified as a regulated nonnative species. They compete with native fish and can disrupt local ecosystems. Authorities monitor their spread and encourage reporting of sightings.
