Katherine P. Zehfuss Hightower, J. E., Zehfuss, K. P., Fox, D. A., & Parauka, F. M. (2002, December). Summer habitat use by Gulf sturgeon in the Choctawhatchee River, Florida. JOURNAL OF APPLIED ICHTHYOLOGY, Vol. 18, pp. 595–600. https://doi.org/10.1046/j.1439-0426.2002.00402.x Zehfuss, K. P., Hightower, J. E., & Pollock, K. H. (1999). Abundance of Gulf sturgeon in the Apalachicola River, Florida. TRANSACTIONS OF THE AMERICAN FISHERIES SOCIETY, 128(1), 130–143. https://doi.org/10.1577/1548-8659(1999)128<0130:AOGSIT>2.0.CO;2