Scuba Season

Hawksbill Sea Turtle

Eretmochelys imbricata

Sighting evidence at Nosy Tanikely, Nosy Be

Hawksbill Sea Turtle

Photo: Liah Continentino · CC BY-ND

Critically endangered globally, hawksbill turtles are a conservation success story at Nosy Tanikely where protection has allowed a stable resident population to persist. Their narrow pointed beaks are precisely adapted for extracting sponges from reef crevices — a dietary specialism that controls sponge growth and prevents it from overgrowing coral. The striking amber-and-black carapace pattern that made them targets for the historical tortoiseshell trade is now better admired in the water.

Evidence at this site

17 records within 25 km

Confidence: medium

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