Fish · La Saladita, Guerrero

Convict Surgeonfishes

Acanthurus triostegus

Spanish: cirujano convicto

Convict Surgeonfishes (Acanthurus triostegus)
Photographed by zihuadean on iNaturalist · CC-BY-NC

Acanthurus triostegus, commonly known as convict tang, manini, convict surgeonfish, convict surgeon, or fiveband surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae which includes the surgeonfishes, unicornfishes and tangs. This species has a wide Indo-Pacific distribution. Most often recorded in Mar, Nov, Jan, Apr.

TaxonomyPerciformes › Acanthuridae
Local records4 research-grade observations within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)
Global records8,338 on iNaturalist
Recorded here2019 – 2026
Months recorded near La Saladita
JanFebMarAprMayJunJulAugSepOctNovDec
Recent local sightings

Interactive card with more photos, sounds and similar species Fish guide iNaturalist Wikipedia

Cite as: “Convict Surgeonfishes (Acanthurus triostegus) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/acanthurus-triostegus/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.