scubaseason
Endangered· population decreasing· assessed 2022

Giant Manta Ray

Mobula birostris

Sighting evidence at Mona Island, Puerto Rico

Giant Manta Ray

Photo: Programa Marino del Golfo de California · CC BY-NC

Oceanic manta rays visit Mona's cleaning stations during the warmer summer months, riding the productive currents of the Mona Passage. Their wingspans regularly exceed 4 m, and encounters at the reef edge at dusk are among the most memorable in the Caribbean.

Evidence at this site

No confirmed records on file at this site

Giant Manta Ray 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