CR

Parioglossus galzini

Declining

Overview

Parioglossus galzini is a species of dartfish presently known only from the island of Rapa Iti, French Polynesia.

Parioglossus galzini faces severe threats from coastal development and tourism infrastructure expansion across its limited range in the Indo-Pacific. The species is particularly vulnerable to coral reef degradation caused by rising sea temperatures, ocean acidification, and pollution from coastal runoff. Its extremely restricted distribution makes any local habitat disturbance potentially catastrophic for the entire population.

Threat summary

Habitat

This species inhabits shallow coral reef environments and associated sandy areas in tropical Indo-Pacific waters. It typically occurs in areas with mixed coral and sand substrates where it can find shelter among coral formations while foraging in adjacent sandy patches.

Conservation measures underway

Species recovery

Frequently asked questions

Why is Parioglossus galzini classified as Critically Endangered?
Parioglossus galzini is classified as Critically Endangered — facing an extremely high risk of extinction in the wild — because population sizes are very small, declining sharply, or restricted to a tiny range. Parioglossus galzini faces severe threats from coastal development and tourism infrastructure expansion across its limited range in the Indo-Pacific. The species is particularly vulnerable to coral reef degradation caused by rising sea temperatures, ocean acidification, and pollution from coastal runoff. Its extremely restricted distribution makes any local habitat disturbance potentially catastrophic for the entire population.
Where does Parioglossus galzini live?
Parioglossus galzini occurs in across multiple regions. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Parioglossus galzini?
The main threats to Parioglossus galzini are 11.1, ai-1, ai-2, and ai-3. The full IUCN-classified threat record for this species is detailed on the species page.

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