Imperator Commensal Shrimp (Periclimenes imperator) on Eyed Sea Cucumber (Bohadschia argus), Fiji.

Caribbean spiny lobster (Panulirus argus), underwater at Half Moon Caye, UNESCO, Mesoamerican Barrier Reef, Belize

Blue spotted grouper (cephalopholis argus

Sea cucumber (Bohadschia argus) skin detail, Pohnpei, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Sea cucumber (Bohadschia argus) skin detail, Pohnpei, Federated States of Micronesia, Caroline Islands, Micronesia, Pacific Ocean, Pacific

Peacock grouper (Cephalopholis argus), Chapel, Apo island Marine Reserve, Philippines, Southeast Asia, Asia

Peacock grouper (Cephalopholis argus), Kailua-Kona, Hawaii, United States of America, Pacific

Caribbean spiny lobster (Panullirus argus), Looe Key, Key Largo, Florida, United States of America, North America

Peacock grouper (Cephalopholis argus), Kailua-Kona, Hawaii, United States of America, Pacific

Reef lobster (Panullirus argus) at night, Ilha do Meio, Fernando de Noronha national marine sanctuary, Pernambuco, Brazil, Atlantic

Moray Eel (Muraena argus). Mexico, Sea of Cortez

Moray Eel (Muraena argus). Mexico, Sea of Cortez

Silver-studded Blue (Plebejus argus) (Plebeius argus) butterflies mating on Cross-leaved Heath (Erica tetralix), copula

Detail of Eye patch sea cucumber (Bohadschia argus), Pacific, Great Barrier Reef, Australia, Oceania

The Peacock Grouper (Cephalopholis argus) was deliberately introduced to Hawaii and is now considered an invasive species, Island of Hawaii, Hawaii, United States of America

Common Blue on an ear, Lorraine France

Adonis blue mating on a flower, Prairie Fouzon

Brown Argus on grass, Picardy France

Great argus (Argusianus argus) in forest, Gunung Leuser, North Sumatra

Common Blue on an ear, Lorraine France