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  • Nº121 # Date: 2018-06-15 - 16:16
  • # Max Depth: 20.1m Duration: 46mins
Diver's Notes

The last dive of the day started with cloudy skies, and an ascent to and swim along a narrow sandy-bottomed channel--our route today took us on the opposite side of the arch than yesterday. Once settled in, we saw a beautiful blue-fringed tropical flounder, a few small conchs with dull-spiked shells, and two green sea turtles, and another scorpionfish (most likely the *stone* variety). And then, just to make our dive day four-out-of-four, a whale shark made her appearance overhead, and Johnny and Jen were in hot pursuit to meet her--Jen kept up beside her for a short stint, but soon fell back. A small aggregate school of razor surgeonfish, barbers and king angels were picking at a small boulder covered in algae. Another few more green sea turtle swam across our view under a scattered school of jacks above, along with a few more tuna racing near the surface, quickly in and then out of view. Back on the surface, we took our last, up-close look at Darwin Arch. Our very skilled panga driver, Pablo, took us on a tour into the 'bath' near the rocks. The water was choppy, and surge was evident. The aerated water made it a beautiful light blue which contrasted with the deeper blue and dark color of the rocks. All of the fish we saw in the water apparently made the arch a near-perfect roost for frigates and other sea birds, as they dominated the ledges and circle in abundance overhead. A few fur seals were perched on the rocks near the waterline, as well as some marine iguanas. Thus, was our adventures at Darwin Arch.

Dive Profile
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  • Temp: Surf 28°C Bottom 27°C
  • Dive type : Recreational
  • Visibility: Good Water: Salt
Specific gear used
  • Weights: 7.3 kg
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Dive Shop & Buddies
  • Dive buddies: Jennifer McDonald, Tracy Newton, James Shawver, Cathy Dingman, Dennis Zullig, Johnny Kerr, John Dingman
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Dive Profile

  • 1. Nitrox 32
  • 12L Aluminium     209 → 28 bar
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  • Average depth: 14.6m
Data provided by EOL.org

Species Identified

Rhincodon typus Smith, 1828 (Whale shark) These sharks are usually solitary, but loose groups of up to 100 individuals have been sighted, often when they are feeding . Whale sharks appear to be highly migratory , and have been tracked for thousands of kilometres ....
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Sphyrna lewini (Griffith and Smith, 1834) (scalloped hammerhead) Forming impressively large schools, female scalloped hammerheads gather in the Gulf of California during the day, around underwater mountains known as seamounts, where they perform a wide range of poorly-understood behavio...
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Carcharhinus galapagensis (Snodgrass and Heller, 1905) (Galapagos shark)

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