Conus furvus, common name the dark cone, is a species of predatory sea snail, a marine gastropod mollusk in the family Conidae, the cone snails, cone shells or cones.[1]
The size of an adult shell varies between 30 mm and 71 mm. The ground color of the shell is pale brown, with fine close lines of chestnut-brown, and oneor two paler bands. The shoulder (= the angulation of the shell whorls) is somewhat obtuse. The spire is concavely elevated, with an acute apex. The spire is uniform pale brown.[2] Tryon describes the variety furvus with this special characteristics. The revolving lines are broken up into minute dots The form is somewhat narrower. Some of the spire whorls are finely beaded.
This is an Indo-Pacific species. The type locality is Port Sacloban, Leyte Island in the Philippines. The species occurs along the Andaman Islands, Malaysia, Indonesia, Papua New Guinea and from the Philippines to Japan. It is also found in the South China Sea.