Fusinus colus

Fusinus colus, common name the Distaff spindle or Long-tailed Spindle, is a species of sea snail, a marine gastropod mollusk in the family Fasciolariidae, the spindle snails, the tulip snails and their allies.

Distribution
This species is present in the Indian Ocean and in the western and central Pacific Ocean, from East Africa to Melanesia, southern Japan, and southern Queensland.

Habitat
These sea snails are common in coastal waters at depths of 5 to 40 m. They inhabit littoral and the tidal zone and prefer sandy bottoms. They feed on benthic invertebrates.

Description
The size of an adult shell can reach 75 - 200 mm. These shells are thick, long, biconic, spindle-shaped, with many spiral ribs, grooves and nodules. The spire is elongated. The siphonal canal is very long. The outer surface is usually whitish, but may be yellowish, brown or reddish in color.