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Tag: hammerhead sharks

One giant manta ray cruising by divers

  • Post author By Nautilus Staff
  • Post date 2007-03-10
By Nautilus Staff on March 10th, 2007 in Archive, Socorro

The outer cleaning station (one of our favourite dives at Socorro Island, first recommended to us by cinematographer Bob Cranston) had very good dive conditions with calm seas and mild current, five scalloped hammerhead sharks and one Galapagos shark. One giant manta ray cruising by didn’t seem interested in interacting with the divers. And, of course, the ever-present silky sharks shadowed the divers, curious but not aggressive.

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  • Tags cabo pearce, Galapagos Shark, Giant Mantas, hammerhead sharks, humpback whales, kayaking, Mantas, silky sharks, silky snorkel, socorro island, whales

Crystal clear visibility at Roca Partida

  • Post author By Nautilus Staff
  • Post date 2007-03-08
By Nautilus Staff on March 8th, 2007 in Archive, Socorro

The really cool thing was that the currents of cold water brought crystal clear visibility with divers able to see the bottom 240 feet below them!! Divers reported the usual groups of white tip reef sharks hanging out in various caves and oblivious to divers around them. Two of the divers saw a 5-foot long silky shark hunting at very high speed with the “lunch fish” been eaten right in from of them. A Galapagos shark came in very close to the divers and the incredible visibility made it possible for them to identify one great hammerhead and two scalloped hammerheads swimming along the bottom!!

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  • Tags Galapagos Shark, great hammerhead shark, hammerhead sharks, Roca Partida, scalloped hammerhead shark, silky shark, white tip reef shark

Schooling juvenile silvertip sharks

  • Post author By Nautilus Staff
  • Post date 2007-03-07
By Nautilus Staff on March 7th, 2007 in Archive, Socorro

Captain Dave reports that on their first morning dive at El Canyon at San Benedicto Island, divers saw two hammerhead sharks swimming alongside a school of silvertip sharks. Some of the Silvertips were very small, measuring less than 2.5ft. Meanwhile, one of the hammerheads was huge for a scalloped hammerhead – an estimated 12 feet!

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  • Tags el canyon, Giant Mantas, hammerhead sharks, Mantas, plankton bloom, silvertip sharks, socorro island, The Boiler

Amazingly loud humpback whale song

  • Post author By Nautilus Staff
  • Post date 2007-02-28
By Nautilus Staff on February 28th, 2007 in Archive, Socorro

Captain Dave reports that humpback whales were singing so loudly today that guests could hear the song inside the lower deck staterooms on the Nautilus Explorer!!! It was quite something for our guests while on their dive. In-water visibility was down on the east side of Socorro Island, with lots of phytoplankton in the water column. While this made it hard to spot big pelagic animals off the outer cleaning station at Cabo Pearce, the guests were rewarded with a great show of feeding behaviour by the giant manta rays. 

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  • Tags cabo pearce, cephalic fins, Giant Mantas, hammerhead sharks, humpback whales, Octopus, socorro island, whale song

Giant manta ray migratory route

  • Post author By Nautilus Staff
  • Post date 2007-02-27
By Nautilus Staff on February 27th, 2007 in Archive, Captain Mike, Socorro

Highlights included a huge bait ball of skipjacks being hunted by silky sharks and 100-pound yellowfin tuna, a group of five hammerhead sharks that approached within 40 feet of the divers and a blue water drift dive looking for pelagics. All the usual Roca Partida critters were present, including over 30 white tip reef sharks, silky and Galapagos sharks and some curious wahoo.

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  • Tags bait ball, clarion island, dr. bob rubin, galapagos sharks, giant manta rays, hammerhead sharks, manta science, Roca Partida, San Benedicto, Sea of Cortez, silky sharks, skipjacks, Wahoo, white tip reef sharks, yellowfin tuna

Interesting bottlenose dolphin behaviour at Socorro Island

  • Post author By Nautilus Staff
  • Post date 2007-02-25
By Nautilus Staff on February 25th, 2007 in Archive, Socorro

Divers saw the usual complement of electric rays, Socorro lobster, silky, Galapagos and hammerhead sharks, but their most spectacular encounter was with a single bottlenose dolphin who adopted the divers. We’ve been seeing similar behaviour from the dolphins all winter, where they hang out and literally imitate the divers. If a diver hangs on to the ascent line, the dolphin will rest the underside of his head on the line. If a diver blows bubbles, the dolphins will blow bubbles. If a diver does a 360-degree roll, the dolphin will do a full roll (well actually, they tend to be somewhat playful and will often do a 720-degree roll or even a triple barrel roll).

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  • Tags bottlenose dolphin, dolphin behaviour, dolphins, electric rays, galapagos sharks, hammerhead sharks, humpback whales, lobster, Punta Tosca, sharks, silky sharks

Easy passage from San Jose del Cabo to San Benedicto Island

  • Post author By Nautilus Staff
  • Post date 2007-02-24
By Nautilus Staff on February 24th, 2007 in Archive, Socorro

The Canyon came through with good diving with giant manta rays, white tip reef sharks, juvenile silvertip sharks and a small school of hammerhead sharks. A couple of humpback whales came close by the boat, but weren’t in the mood to interact with the divers.

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  • Tags el canyon, giant manta rays, hammerhead sharks, humpback whales, Mantas, silver tip sharks, white tip sharks

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