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Thresher Shark Cleaning
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cleaning station

Thresher Shark Cleaning

Pelagic thresher shark · Alopias pelagicus

advancedhigh confidenceBucket-list rank #6
TL;DR — Best in Malapascua, Philippines · Year-round.

Dawn dives on Monad Shoal where pelagic threshers ascend from deep water to be cleaned by wrasses.

When

Year-round

Where

  • Malapascua

    Philippines

    Best current option

    Year-round

    Monad Shoal is one of the only reliable daily thresher shark sites in the world.

    Open Malapascua in atlas →

Ethics

Stay behind the designated rope; no flash; do not approach the threshers in open water.

Operators

We don’t have curated operator listings for this encounter yet. The “Where” section above is the right starting point — cross-reference local regulators’ permit lists before booking.

Required experience

Advanced Open Water; comfortable with pre-dawn entry, 25-30 m depth, and motionless hangs behind the rope line.

Conservation

Pelagic thresher is Endangered (IUCN). Monad Shoal is a Marine Protected Area; respect dive-count and depth limits.

Limitations

Sightings are operator-tracked and seasonal swell can close the site. We do not publish per-dive probability.

Sources & methodology

How we summarise this

Monad Shoal threshers are reliably present year-round but encounters are pre-dawn and weather-dependent. No per-dive probability.