Marlinspikes 6”+ Polished shell While these sponges are reasonably

While these sponges are reasonably common in shallow waters

They are most common in the central Philippines

and tend to live in shallow and tidal waters

The skeleton is a bright red color

These tentacles are usually extended during the day

Marlinspikes 6”+ Polished shell While these sponges are reasonablyMarlin Spike is an auger shell belonging to the family Terebridae; species Terebra Maculata. They are heavy, glossy with a broad body whorl(complete turn of the shells imaginary axis). Young shells have weak vertical ridges; while older species become smooth. There color is cream with interrupted spiral bands of brown. The shell has been used as a boring instrument by coastal tribes. Marlin Spikes are found in shallow water, across the Indo Pacific