My family and I just got back from Mexico, and I spent a fair bit of time under water. My wife and I were trying to get a decent shot of most every species that inhabits the coral formations just offshore in front of my parents' house, and these are some of the better ones that we got. Unfortunately, the current was really, really strong this year and this caused fairly poor visibility and thus less than stellar pictures. Still, it was fun working to get ideal shots of the various species of near-shore reef fish.
A gray angelfish and a filefish
An electric ray
A queen angelfish
A carribean spiny lobster
A crab (can't recall the name right now) in the same hole as a lobster
The same type of crab alone
The only moray I saw this trip - the little guy wouldn't come out of his hole for a better shot.
A sea turtle
Two species of grunts
I'm not sure what this little guy is called, but he sure is pretty
A nassau grouper
A hogfish. These two pictures were taken about 5 seconds apart. As soon as he swam away from the coral he immediately changed color to blend in with the sandy bottom.
This juvenile french angelfish lived by a cinder block that was used as an anchor right next to the beach, and he would chase off this bar jack over and over again. It was pretty entertaining to watch.
Spotted eagle ray
Spotfin butterflyfish up against a conch shell
Two banded coral shrimp (these guys are tiny and my camera had a hard time focusing on them in the low light)
Goatfish (I got the coolest video of two of these guys fighting <I think> - I'll share it once I get it uploaded to YouTube.)
Barracuda - There were lots of barracuda around this year. In the hazy picture there were ~20 barracuda, some of which were five feet long or better.
I have no idea what this little guy was - maybe a type of wrasse? - but he sure did look cool hiding in the grass.
Immature french angelfish with a grunt
A very small (3") triggerfish
A type of porcupine fish
A type of damselfish
I can't recall the name of this one for the life of me...but they get white spots and a darker gray back when against coral.