Blue Octocoral Nudibranch, Marionia hawaiiensis

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Updated 4/29/2022

Family Tritoniidae

HAWAII - ENDEMIC

Marionia hawaiiensis

Honokohau, Hawaii, 20 feet

Onekahakaha, Hawaii	Puako, Hawaii
Puako, Hawaii

BLUE OCTOCORAL NUDIBRANCH

Cryptic but fairly common in shallow rocky areas among Blue Octocoral upon which it feeds. Color variable, typically brown with a green or blue cast. Attains 2 inches. Formerly known as Tritonia sp. Endemic to Hawaii.