1. Department of Ichthyology, Division of Vertebrate Zoology, American Museum of Natural History, 200 Central Park West, New York, New York 10024; Email: .
2. Department of Biology, University of Louisiana at Lafayette, Lafayette, Louisiana 70504; Email: (AHF) ; and (JSA) jalbert@louisiana.edu.
3. Department of Biosciences, Rice University, Houston, Texas 77005; Email: .