Scuba Season

Dusky Grouper

Epinephelus marginatus

Sighting evidence at Paros Channel, Naxos

Dusky Grouper

Photo: Katerina Kalogerini · CC BY

Dusky grouper are among the most ecologically important predators on Mediterranean rocky reefs, controlling populations of smaller fish and invertebrates. Large territorial males occupy prime boulder overhangs throughout the channel and are notably bold around divers. As a protected species in Greece, their presence here reflects effective local conservation.

Evidence at this site

1 record within 25 km

Confidence: low

Seasonality

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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