Scuba Season
Vulnerable· population decreasing· assessed 2025

Bumphead Parrotfish

Bolbometopon muricatum

Sighting evidence at Shimizu Island El Nido, El Nido, Palawan

Bumphead Parrotfish

Photo: barthazes · CC BY-NC

Schools of up to 20 individuals visit Shimizu at dawn, using their reinforced foreheads to ram coral heads and bite off chunks, processing the calcium carbonate skeleton into fine white sand at a rate of several hundred kilograms per fish per year.

Evidence at this site

1 record within 25 km

Confidence: low

Seasonality

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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