Canon Elan IIe, tripod 380EX flash w/ bounce card Sigma 105 EX Macro Fuji Superia 400 f22, 1/125 second

Not exactly camouflage

Guaranteed to make interior decorators run screaming from the room, this garish blob is a Sea Apple (Pseudocolochirus violaceus.) It was a resident in a friend's fish tank when I first decided to try my hand at aquarium photography several years back. It obliged nicely by feeding while I was photographing, collecting some brine shrimp with the branched arms and stuffing them into its mouth, surrounded by the dark circle – you can see one arm curled into the opening.

What was interesting to discover was how well this bloated marine potato could move around the tank, including climbing. Those spindly yellow pseudopods along the body are the legs, which are sufficient to carry it around on the sea floor and up rock faces as well. Not exactly quickly – all movement can best be described as "glacial". Nevertheless, it does move...