- Disks and Ovals
- Eels
- Heavy Bodies and Large Lips
- Mammals and Reptiles
- Odd Shaped Bottom Dwellers
- Odd-Shaped Swimmers
- Reddish With Big Eyes
- Sharks and Rays
- Silvery
- Sloping Heads and Tapered Bodies
- Small and Elongated Bottom Dwellers
- Small Ovals
- Swim With Pectoral Fins / Obvious Scales
For more information see: Steven W Smeltzer Underwater Photography