
With a few free hours this evening I decided to head out to see what
nocturnal creatures were inhabiting one of my favorite dive sites. The
reef changes so much at night with animals like crabs, lobsters, moray
eels, and other nocturnal creatures emerge. The sun was setting as I
picked my way through four sea turtles feeding in the shallows. They
didn't seem to mind me too much although they all did keep an eye on me
as I kicked out of the small entry channel. It is always surprising how
quickly the darkness takes over after the sun sets. I had my small
underwater flashlight ready as I descended into the first cave.


Red
soldierfish scattered as I broke up the darkness with my light. Red
reef lobsters peeked out of crevices and two kinds of slipper lobster
reflected my light back at me with their night vision capable eyes. The
toughest thing about this dive was being a shallow dive, 20-30ft deep,
the surge really moves you around. With a full wetsuit I wouldn't worry
too much about glancing off a rock or boulder but as the coral here was
covered with toxic spiny sea urchins I couldn't afford the tunnel vision
that comes with using an underwater light. I managed to avoid the one
on the cave ceilings, walls, and opening but did overlook a rare
fine-spined urchin which I unfortunately found with my thigh. Not to
worry, it looked like the urchin was undamaged. It quickly scurried off
into a recess (well quickly for a sea urchin).





Navigating is
another issue at night but I found my way alright through the familiar
site. After spotting a few sleeping parrot fish and avoiding many more
urchins I found a small octopus sucked onto the ceiling of another cave.
I avoided the sea turtle leaving the cave to capture some more images
of the beautiful octopus that was small enough to hold in my hand.
Shortly after leaving the octopus I found an undulated moray eel, one of
the nastiest eels around and then a tiger snake moray, which hunts and
feeds on other morays!

Then came the strangest nocturnal creature I
have seen yet. What looked like a tiny moray, about the diameter of a
pencil, was snaking its way down the reef wall. I was looking at the
head but when I tried to find the tail I was shocked to see the animal
was over five feet long! It turns out this animals is called a ribbon
worm. One specimen was found to be over 60ft long!
So after this
encounter I was pretty satisfied, not to mention running low on air. So I
headed back towards my entry point. Admiring the stars in the moonless
night I was dismayed when my flashlight dimmed and went out. This is not
what I would want as I am trying to find a small channel lined with
lava rocks. Luckily a house on the shore was hosting a wedding party and
had set up lights, casting just enough to show the opening to the
channel. What a relief and what a dive!

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