Scuba Season
Vulnerable· population decreasing· assessed 2020

Blacktip reef shark

Carcharhinus melanopterus

Sighting evidence at Sardine Reef, Raja Ampat

Blacktip reef shark

Photo: eyrezer · CC BY

Evidence at this site

59 records within 25 km

Confidence: high

Seasonality

Jan
Feb
Mar
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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