Dave reports that the divers saw 7 silver tip sharks between 5 and 7 feet in length circling at the north end of Roca Partida, along with at least 10 silky sharks and some good-sized Galapagos and hammerhead sharks. One interesting note is that one small silvertip shark apparently chased away 4 larger silky sharks (4 – 5 feet in length) that were hanging around a tag line hanging off the back of the Nautilus Explorer. Not sure on the dominance behaviour of silky and silvertip sharks, but that strikes me as highly irregular behaviour.
Read MoreIt was a sunny, hot and cloudless day. The visibility was great, we could hear the humpback whales singing underwater, dolphins were interacting with us, we saw lots of really cute juvenile silky sharks as well as white tip reef sharks hiding in caves in the coral gardens, turtles, loads of fish, aggressive Socorro lobsters, schooling wahoo and, of course, giant manta rays.
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