scubaseason

Blue shark

Prionace glauca

Sighting evidence at Princess Alice Bank, Santa Maria

Blue shark

Evidence at this site

No confirmed records on file at this site

Blue shark is listed as a curated species here based on historical reports.

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