Tan Cup Coral (Caryophyllia alaskensis) photgraphed underwater in Barkley Sound, British Columbia, Canada.
A decorator crab (Loxorhynchus crispatus) surrounded by strawberry anemones (Corynactis californica) on a rocky reef in Barkley Sound, British Columbia.. Aspect ratio = 1:1.
Leopard Dorid (Diaulula sandiegensis) glides over various coraline algae (Subclass Corallinophycidae).