scubaseason

Green sea turtle

Chelonia mydas

Sighting evidence at Anses d'Arlet, Martinique

Green sea turtle

Photo: MARC MARTIN SOLA · CC BY-NC

Green turtles are unique among sea turtles in being primarily herbivorous as adults, grazing on seagrass and algae that the reef slopes of Anses d'Arlet produce in abundance. Their grazing maintains seagrass bed health by stimulating growth in the way that cropping maintains grasslands — ungrazed seagrass beds become less productive over time. Green turtles are endangered globally but show population growth in several eastern Caribbean nesting sites; the resident feeding population at Anses d'Arlet includes adults that have been photographically identified returning across multiple years.

Evidence at this site

No confirmed records on file at this site

Green sea turtle is listed as a curated species here based on historical reports.

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