Scuba Season

Dusky Grouper

Epinephelus marginatus

Sighting evidence at CEADS Naval Reserve, Paraty

Dusky Grouper

Photo: Fábio Olmos · CC BY

CEADS hosts some of the largest and most approachable dusky grouper populations on the southeastern Brazilian coast, a direct consequence of decades without fishing pressure. These long-lived, sex-changing fish begin life as females and transition to males as they age and grow, meaning the largest individuals are always male. Their curious, almost fearless behavior around divers at CEADS stands in stark contrast to the skittish individuals found at openly fished reef sites nearby.

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