Scuba Season

Oceanic Triggerfish

Canthidermis maculata

Sighting evidence at Keiten Maru, Rabaul

Oceanic Triggerfish

Photo: Micha Baum · CC BY-SA

Oceanic triggerfish appear over the Keiten Maru in the dry season months when current patterns bring cleaner offshore water into the harbour, feeding on jellyfish and surface-drifting zooplankton. They are typically spotted as solitary individuals circling the highest point of the mast in mid-water, giving them an otherworldly presence above the busy wreck below. Their seasonal visits offer a reminder that even sheltered harbour wrecks connect to the wider oceanic food web.

Evidence at this site

0 records within 25 km

Confidence: low

No date on file
How is this calculated?

Sighting evidence is compiled from iNaturalist observation records within a set proximity radius, filtered for quality-grade observations. “Last confirmed” is the date of the most recent research-grade record. Record count covers a rolling 24-month window. Confidence reflects record count, recency, and consistency of seasonal signal.

Also seen at other sites