by Greg Mayer Having emphazised the cartilaginous inhabitants of the  Okinawa Churaumi Aquarium yesterday, let’s go to a distant part of the phylogenetic tree today: manatees. There are three species of manatees (Trichechus), all in the tropical Atlantic or Atlantic drainages; this is either the West Indian (T. manatus) or West African (T. senegalensis) species. … Continue reading A day at the Aquarium, part 2