We report new occurrences of the catfish Ameiurus serracanthus (Spotted Bullhead) in the Withlacoochee River drainage, a tributary of the Gulf of Mexico, in Citrus County, FL. Spotted Bullhead in Florida were previously known to occur as far south as the Suwannee River drainage. We collected 12 specimens downstream from the Inglis Lock and Dam on the Withlacoochee River, which indicates an increase in the southern extent of the species' known range and its occurrence in a new river drainage. Further sampling and genetic analysis are needed to determine if this population is genetically isolated from populations in the Suwannee River and other drainages in its range.
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17 September 2021
Range Extension of Spotted Bullhead, Ameiurus serracanthus, Family Ictaluridae, in Peninsular Florida
Jennifer Moran,
Travis Tuten,
Chris Anderson,
Kirk Dunn,
Jason O'Connor,
John Saxton,
Chelsea Buescher,
Kyle Miller,
Eric Nagid,
Lyzeveli Ortiz,
Lynn Simonton,
Kym Rouse Holzwart
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Southeastern Naturalist
Vol. 20 • No. 3
August 2021
Vol. 20 • No. 3
August 2021