Home > Invertebrates > Bivalves > Calloarca nuttingi

Updated 1/2/2026

Family Arcidae

HAWAII - ENDEMIC

Calloarca nuttingi 



Makapu'u, Oahu, 3 feet, 7mm

Makapu'u, Oahu

 

NUTTING'S ARK

Uncommon under stones at any depth.  Attains 1/2 inch, 12mm.  Endemic to Hawaii.  Formerly known as Barbatia nuttingi.