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Odd Critter Gallery

Orange Linkia Sea Star - Linkia sp.
Corkscrew Long Tentacle Anemone - Macrodactyla doreensis
Green Bubbletip Anemone - Entacmaea quadricolor
Orange Center Zoanthids
Red Leg Hermit Crab
Blue Tuxedo Sea Urchin - Mespilia globulis
Trochus Snail Spawn

Columbellid sp. Snails
Picture taken June 2000, Nikon Coolpix 950 digital camera, Tiffen +10 lens, no flash

This is an example of a Columbellid snail. They have a shell shape very much like Nassarius snails but look and act very different. I purchased these as Nassarius snails which are great reef tank additions. I'm told these snails may be predators of the sand bed fauna, but I find them mainly on the glass and rocks. Unlike Nassarius snails they do not hide all day in the sand waiting for food to enter the tank. True Nassarius snails have a solid gray color, they do not have patterns such as can be seen in these pictures.

I've been unable to confirm the exact species but Ronald L. Shimek, has suggested they are probably either Columbella or Anachis.


Columbellid sp. Snails
Picture taken June 2000, Nikon Coolpix 950 digital camera, Tiffen +10 lens, no flash

Another example of the shell patterns on these Columbellid sp. snail shells.