Yellow-Blocked Nudibranch

Halgerda wasinensis

Sighting evidence at Manta Reef, Tofo

Evidence at this site

No confirmed records on file at this site

Yellow-Blocked Nudibranch 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.