scubaseason

Napoleon wrasse

Cheilinus undulatus

Sighting evidence at Pange Sandbank, Zanzibar Island

Napoleon wrasse

Photo: David Roche · CC BY-NC

A large resident napoleon wrasse, named "Napoleon" by local operators, has patrolled the Pange reef for over a decade and is comfortable approaching divers within arm's reach. As one of the largest bony fish on the reef, reaching 190 cm, it plays an irreplaceable ecological role consuming prey that no other fish can tackle — including sea urchins, crown-of-thorns starfish, and toxic boxfish. Its charismatic boldness makes it the signature encounter at Pange and a powerful ambassador for Zanzibar's conservation message.

Evidence at this site

No confirmed records on file at this site

Napoleon wrasse 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