Range and Identity
Xanthichthys mento has an antitropical Pacific distribution, with records around Japan, Hawaii, eastern Pacific islands and southern island groups. The separated localities should not be represented as uniform occurrence across every tropical reef between them. Exact island information remains useful.
Habitat and Behavior
Schools occur over seaward reefs and drop-offs. Zooplankton feeding links the fish to prey in the water above the reef. A school’s location near a steep reef edge therefore provides more specific context than simply calling it a bottom-associated triggerfish.
Food and Life History
The upper length reference is thirty centimeters with no stated convention. Males establish reproductive territories, females tend eggs, and both parents guard. These roles should not be collapsed into a claim that the male alone performs every part of egg care.
Field Note
Distinguish a feeding school from a breeding territory when behavior is visible. They describe different activities and different uses of the same reef landscape.
All Lakes With Redtail Triggerfish
Browse lakes and reservoirs with documented Redtail Triggerfish records, listed alphabetically. Records do not establish current abundance or public access. Check the evidence and managing authority for the water you choose.
No published lakes are currently linked to this species in our confirmed records.