...Christy D. Alves-Stanley; Graham A. J. Worthy SUMMARY The Florida manatee (Trichechus manatus latirostris) is a herbivorous marine mammal that occupies freshwater, estuarine and marine habitats. Despite being considered endangered, relatively little is known about its feeding ecology. The present...

...Tricia Kojeszewski; Frank E. Fish SUMMARY The submerged swimming of the Florida manatee (Trichechus manatus latirostris), a subspecies of the West Indian manatee, was studied by filming individuals as they swam rectilinearly in a large pool at several rehabilitation centers. The swimming...

...Rudy M. Ortiz; Graham A. J. Worthy; Floyd M. Byers ABSTRACT The ability of West Indian manatees (Trichechus manatus) to move between fresh and salt water raises the question of whether manatees drink salt water. Water turnover rates were estimated in captive West Indian manatees using the deuterium...

.... Their ability to discern brightness differences correlates with Weber’s law, and the calculated Weber fraction is 0.35. 19 03 1997 © The Company of Biologists Limited 1997 Trichechus manatus manatee Sirenia brightness discrimination visual sensitivity vision Marine mammals...