Also known as Arthritic Spider Conch, Arthritic Spider Shell, Chiragra Spider, Gouty Spider Shell, Spider Conch, Spider Shell, True Conch.
Found over coarse coral, rubble, sand and seagrass beds and in tidepools of coral reefs rich in algae growth.
They feed on algae and plants.
Juveniles do not have the appendages of the adult shells.
Length - 17cm
Depth - 0-25m
Widespread Indo Pacific
Stomboids are a small group of sea snails, commonly found in tropical waters. Usually identified by their large stalked eyes. Their shells are often dull on the outside but can be bright inside.
Stromboids are edible and in some areas are regarded as a delicacy. Ref: https://en.wikipedia.org/wiki/Harpago_chiragra