These lizards huddle together for warmth until the sun is high in the sky. Then they march into the water to swim down and eat seaweed. There are still things about that that don't make sense to me. I mean, they're reptile, hence cold blooded... so it's kind of like hopping into bed with a hot water bottle full of cold water, isn't it? But regardless of the reason, they liked to hang out in large herds ... or more accurately, a mess of iquanas (no joke ... look it up).
The lava was still wild in all it's variety, and there were other things of interest; seals, sea birds, a whale backbone (without much else, which made it seem a bit staged), a Galapagos Hawk, a lava lizard taking a ride on a sea iguana, Sally Lightfoot crabs in abundance, and lava cactus, one of the first plants that start to grow and break down lava into gravel.
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One kind of odd thing about the sea igaunas is that they look black most times but look whitish when they are going into or under the water (the underwater shot is a snorkeling shot from another location).
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Afterwards, we returned to the Infinity and it moved back to Isabela Island, at Vincente Roca Point on the northern end of the island. We snorkelled, then did a panga ride along the steep cliffs where sea birds nest, along with a detour into a giant sea cave that was much deeper than it looked from the ship.
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A final event for the day was crossing the equator; we were invited up onto the bridge for it (because it was night and there's not really anything to see). There was a countdown and a cheer and then we all weny to bed.
And then we were on to day 7, our last full day in the Galapagos.