Fin's Fish Guide
The Chronixis surgeonfish (Acanthurus chronixis) is a saltwater fish of the family Acanthuridae that grows up to 28 cm.
Description
The Chronixis surgeonfish is a surgeonfish (Acanthuridae) from reef water of the western and central Pacific. The species has a deep, laterally compressed, grey-brown with fine markings body with a small mouth for grazing algae. On each side of the tail base it carries a sharp, scalpel-like keel blade. As a grazer it scrapes algae from coral and rock. The keel blade can inflict a deep cut when the fish is handled or defends itself.
Frequently asked questions
How do you recognise the Chronixis surgeonfish?
The Chronixis surgeonfish has a flattened, disc-shaped body and is mainly brown. Bears sharp spines, plates or strong jaws that can cause cuts or puncture wounds; handle with care.
Where does the Chronixis surgeonfish live?
The Chronixis surgeonfish lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: Taiwan/Ch Taipei, Japan, Ryukyu Is., Micronesia
How big does the Chronixis surgeonfish get?
The Chronixis surgeonfish grows to a maximum of about 28 cm.
Is the Chronixis surgeonfish dangerous to humans?
The Chronixis surgeonfish can cause injury; handle it with care. The sharp keel blades near the tail can give a deep cut. Rinse the wound with clean water, apply pressure to stop bleeding and cover with a sterile dressing. Suture if needed and seek medical care for a deep wound; update tetanus protection and watch for signs of infection.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Acanthurus
More from the family Acanthuridae
Want the complete picture on the Chronixis surgeonfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Chronixis surgeonfish is one of 12,519 species in the app.