Mark R. Showalter
Underwater Photography
  • Closeup of a Feather Star
  • Cleaner Pipefish with Moray
  • Longspine Lionfish
  • Dusky Nembrotha
  • School of Longfin Spadefish
  • Black-margined Glossodoris
  • Ambonian Shrimp Encircling a Tube Worm
  • Blue-Ringed Octopus
  • Blue-Ringed Octopus
  • Banded Shrimpgoby and Housekeeper
  • Juvenile Yellowmargin Triggerfish
  • Red Emperor Snapper with Urchin
  • Seahorse
  • Whitepatch Razorfish with Seahorse
  • School of Razorfish
  • Seahorse closeup
  • White Spot Anemone Shrimp on a Beaded Sea Anemone
  • School of Juvenile Striped Catfish
  • Anemone shrimp on a branching anemone