Mississippi paddlefish (Polyodon spathula)

there are only two species of paddlefish in the world, this one and the Chinese paddlefish ([i]Psephurus gladius[/i]). The latter is probably now extinct, or as close as makes no difference :(

See here for more on my visit: http://www.zoochat.com/266/review-river-safari-23-april-2014-a-362198/