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Canthidermis maculata rough trigger-fish, spotted oceanic triggerfish

Canthidermis maculatais commonly referred to as rough trigger-fish, spotted oceanic triggerfish. Difficulty in the aquarium: Not suitable for home aquaria!. Toxicity: Has a poison harmful to health.

Profilbild Urheber Dr. Robert A. Patzner, Österreich

copyright Prof. Dr. Robert A. Patzner

Courtesy of the author Dr. Robert A. Patzner, Österreich

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Canthidermis maculata 
Weißtupfen-Drückerfisch, Rauher Drückerfisch 
Rough Trigger-fish, Spotted Oceanic Triggerfish 
Family tree:
Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Tetraodontiformes (Order) > Balistidae (Family) > Canthidermis (Genus) > maculata (Species) 
Initial determination:
(Bloch, ), 1786 
Straße von Gibralta, West Sahara, Eritrea, Suriname, Benin, Gambia, Barbados, Guadeloupe, Djibouti, Sudan, El Salvador, Ghana, Cocos Island (Costa Rica), Sint Eustatius and Saba, (the) Maldives, American Samoa, Angola, Antigua and Barbuda, Ascencion, St. Helena & Tristan da Cunha, Australia, Azores, Bakers Island, Belize, Bermuda, Bolivia, Brazil, British Virgin Islands, Cameroon, Chile, China, Christmas Islands, Circumglobal, Clipperton Island, Columbia, Comores, Congo, Cook Islands, Corea, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, Egypt, Equatorial Guinea, Fiji, French Guiana, French Polynesia, Gabon, Galapagos Islands, Grenada, Guam, Guatemala, Gulf of Mexico, Guyana, Haiti, Hawaii, Honduras, Howland Island, India, Indian Ocean, Indonesia, Japan, Line Islands, Madagascar, Madeira, Malaysia, Marschall Islands, Martinique, Mauritania, Mauritius, Mayotte, Mexico (East Pacific), Micronesia, Montserrat, Morocco, Mozambique, Myanmar, Namibia, Nauru, New Caledonia, New Zealand, Nicaragua, Nigeria, Niue, Northern Mariana Islands, Palau, Panama, Papua New Guinea, Peru, Philippines, Puerto Rico, Réunion , Saint Kitts and Nevis, Saint Lucia, Saint Martin / Sint Maarten, Saint Vincent and the Grenadines, Samoa, São Tomé e Principé, Saudi Arabia, Scandinavia, Senegal, Sierra Leone, Solomon Islands, Somalia, South America, South-Africa, Spratly Islands, Taiwan, Tansania, Thailand, the Andaman Sea, The Bahamas, the British Isles, the Canary Islands, the Cape Verde Archipelago, the Cayman Islands, The Chagos Archipelago (the Chagos Islands), the Cocos Islands / Keeling Islands, The Gulf of Guinea, the Ivory Coast, the Netherlands Antilles, the Nicobar Islands, the Seychelles, Togo, Tokelau, Tonga, Trindade and Martim Vaz, Trinidad and Tobago, Turks and Caicos Islands, Tuvalu, United States Minor Outlying Islands, USA, Vanuatu, Venezuela, Vietnam, Virgin Islands, U.S., Wallis and Futuna, West Africa, Western Indian Ocean, Yemen 
Sea depth:
1 - 100 Meter 
13.78" - 19.69" (35cm - 50cm) 
71.6 °F - 78.8 °F (22°C - 26°C) 
Fish (little fishes), Zooplankton 
Not suitable for home aquaria! 
Not available as offspring 
Has a poison harmful to health 
Not evaluated 
Red List:
Least concern (LC)  
Related species at
Catalog of Life:
Last edit:
2020-03-30 22:21:34 


This is a general hint!
Canthidermis maculata has a harmful toxin.
As a rule, animals with a harmful poison do not pose any danger in normal Aquarieaner everyday life. Read the following husbandry information and comments from aquarists who already keep Canthidermis maculata in their aquarium to get a better picture about the possible danger. However, please be careful when using Canthidermis maculata. Every human reacts differently to poisons.
If you suspect that you have come into contact with the poison, please contact your doctor or the poison emergency call.
The phone number of the poison emergency call can be found here:
Overview Worldwide:


Circumglobal. But not in Mediterranean.
Western Pacific: north to Hokkaido, Japan and east to French Polynesia. Eastern Pacific: Puerto Vallarta, Mexico to Huacho, Peru, and including the Galapagos Islands.
Western Atlantic: North Carolina, USA and Bermuda to South America.
Eastern Atlantic: Cape Verde and west coast of Africa.
Western Indian Ocean: South Africa and Reunion.

Found in shallow coastal and offshore waters. Epipelagic nearly all throughout life, often associated with drifting objects.
May occur on deep rocky slopes.
Appear to school in large numbers based on catches from set nets.
Oviparous. Marketed fresh.

Reports of ciguatera poisoning



copyright Prof. Dr. Robert A. Patzner

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