All shot with a Canon EOS 7D with an EF-s 17-55mm f/2.8 IS lens at 55mm, ISO 1600 and on manual program. All are 100% crops.
The following are at f/5.6 and 1/30 sec ss
Siamese Algae Eater
Shot at f/5.6 and 1/125 sec ss
following shot at f/2.8 and 1/250 sec ss
White Cloud Minnow