Arca zebra

Species attached to rock or hard coral.

Arca zebra:

Turkey Wing. From 2 to 4 inches long, the shell is sturdy, oblong and gaping at both ends. Beaks slightly incurved and rather widely spaced, a broad and flat area between them. Hingle line perfectly straight, with about 50 small teeth. A colourful clam, fresh specimens yellowish white, irregularly streaked with reddish brown, interior pale lavender. On living examples the colours are fairly well concealed by a thick and shaggy periostracum. Attached to rocks in shallow water.