Phylum Mollusca

Class Gastropoda

 

Family Strombidae

Strombs & Conch Shells

Strombs & Conchs are herbivorous snails that possess well-developed eyes and a sickle-like operculum that can be quickly employed as a walking aid or device to right itself.  Rare in Hawaii, the family is diverse and well-represented in warm waters around the world. 

 

HAWAII

Strombus maculatus

Makapu'u tidepool, Oahu

 

Makua, Oahu, 10 feet

Makua, Oahu, 10 feet

Eyes, Makua, Oahu, 10 feet

SPOTTED STROMB

Uncommon while alive on algal mats in tidepools and wave benches.  Commonly inhabited by hermit crabs.  About 1 inch.  Hawaii, Micronesia, SE Polynesia.  The orange-banded color form is rare.

Strombus (Canarium) wilsonorum

Portlock, Oahu, 15 feet

Portlock, Oahu, 15 feet

WILSON'S STROMB

Rarely found alive in deep water.  About 1 inch.  Hawaii & the Indo-Pacific.  Formerly known as Strombus wilsoni.

Strombus helli   

HELL'S STROMB

Uncommon in sand at scuba depths.  Endemic to Hawaii.  About 3/4 inch.

Strombus dentatus

Kewalo, Oahu, 75 feet

Kewalo, Oahu, 75 feet

THREE-TOOTHED STROMB

Fairly common inhabited by a hermit crab at scuba depths, it is rarely found alive.  Indo-Pacific.  About 2 inches.

Strombus vomer hawaiensis   

HAWAIIAN STROMB

Rarely found alive in rubble or hermit-crabbed in deep water.  About 3 inches.  Endemic Hawaiian subspecies.

 

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