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Sailfin Blenny (2)
AndrewWallis Silver Star Critiquer/Silver Workshop Editor/Silver Note Writer [C: 31 W: 32 N: 44] (246)
Continuing with fishy photos, I believe this is a Sailfin Blenny (though the identification can be a bit tough), one of a number of species of tube blennies. These fish inhabit small holes in the coral or the limestone base of the reef and dart out to snatch passing bits of food.

The blenny is around 1.5 inches long.

In Cayman I found different blenny species lived at different depths. I never tended to find sailfin blennies below the hard pan (hard rocky area in the shallows) whereas in the deeper main reef area you tended to find mainly secretary blennies.

These fish can be quite territorial and it is possible to persuade them to attack their own reflection if you hold a mirror in front of them.
Altered Image #1

AndrewWallis Silver Star Critiquer/Silver Workshop Editor/Silver Note Writer [C: 31 W: 32 N: 44] (246)
add contrast via curves
Edited by:klemmg Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 302 W: 40 N: 484] (1719)
Particularly the parts that should be black (pupil) seem dark brown on my monitor (if you have your monitor optimised for text, you may have a very high contrast value and this will not be noticeable).

Also generally the contrast seems a bit low, though this is very much depending on taste.

I added contrast and at the same time readjusted black and white point via curves in PS as follows:

1. Convert from rgb to lab mode to change lightness channel only (if you add contrast in rgb, you will at the same time add saturation!)

2. Adjust the linear "curve" into a S-shaped curve. This makes the dark areas darker and the light areas lighter.

3. Convert from lab to rgb

4. I needed to compress the file somewhat to bring it under 200 KB again

That's it.

Hope you like this variation of your great picture!

Gabi