Sarasota’s Mote Marine Laboratory and Aquarium announced that one of its beloved manatees, Hugh, died Saturday at age 38. [Snip] After showing a behavior change Saturday, animal care staff at Mote monitored him before he became unresponsive in his habitat late Saturday afternoon, Mote said in a Facebook post. [Snip] “Hugh’s indelible and lasting legacy will be one of an invaluable contribution to the scientific understanding of manatee behavior and contributions to the conservation of his species,” Mote Marine’s Facebook post read. “Our team is forever grateful for the time we had with Hugh and his contribution to manatee conservation,...