These cowries usually live in shallow waters under large rocks. They look very much like mauritiana in shape but the similarities end there. This is due to their similar habitat of shallow rocky surf zone. Quite a widespread and variable species found in Africa.

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Trona stercoraria – Exceptional mantle line! Large size

Caught at 2-3m. Reasonable quality for stercoraria. They don’t come in gem.

Trona stercoraria – Giant (94.7mm) black specimen! Rostrated! N&R

Caught at 2-3m. Reasonable quality for stercoraria. They don’t come in gem.

Trona stercoraria – Nice pattern

Collected by fisherman, 1976. Some growth lines on upper dorsum.

Trona stercoraria – Very attractive with a patch on left side! Very large size!

Caught at 2-3m. Reasonable quality for stercoraria. They don’t come in gem.