For education and discussion only. Not for commercial use. BAHIA DE ACHOTINES, Panama (Reuters) - Scientist Kurt Schaefer slices a small hole in the side of a wriggling yellowfin tuna and inserts a tiny computer. Quickly he sews the slit back up, allowing just enough space for a thin fiber optic wand to protrude from the fish's side, before transferring the animal to a large seawater tank. "We like to joke we have remote control fish. It surprises the visitors," says Schaefer, pulling off a surgical glove. Working to protect the tuna from becoming an endangered species in the eastern...