Home > Invertebrates > Shells > Tuns > Tonna hawaiiensis

Updated 9/17/2025

Family Tonnidae

HAWAII - ENDEMIC

Tonna hawaiiensis 



NWHI.  @ Padgett Carpenter


Midway Atoll

Cargo Pier, Midway Atoll, 35 feet

 

Pearl & Hermes Reef, NWHI 70 feet

HAWAIIAN TUN

Rare from deep water in the Main Hawaiian Islands, it is frequently observed at the Northwestern Hawaiian Islands either dead or hermit crabbed.  Attains 8 inches, 205 mm.  Endemic to Hawaii.  Related to and formerly recorded in Hawaii as the Indo-Pacific Tonna melanostoma.