Home > Invertebrates > Shells > Triphoridae > Cautor similis

Updated 8/26/2025

Family Triphoridae

WEST PACIFIC / HAWAII

Cautor similis

Malaekahana, Oahu, 4 feet

 

SIMILAR TRIPHORID

Common under rocks in shallow water.  Yellow-brown with upper & lower spirals on last whorl dark brown, occasionally all brown, anterior siphonal canal completely closed, short & straight.  Mastonia cingulifera has one large and three small red-brown spirals on last whorl and recurved siphonal canal.  Attains 0.2 inch, 5 mm.  New Caledonia and Hawaii.