Thalassoma robertsoni
VU

Thalassoma robertsoni

Stable

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Thalassoma_robertsoni

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Thalassoma robertsoni faces significant pressure from coral reef degradation throughout its limited range in the Western Indian Ocean. The species is particularly vulnerable to coral bleaching events and ocean acidification, which destroy the complex reef structures essential for its feeding and shelter. Overfishing of reef ecosystems and destructive fishing practices further compromise the delicate balance of its coral reef habitat.

Threat summary

Habitat

Thalassoma robertsoni inhabits coral reefs and rocky reef areas in the Western Indian Ocean, typically found at depths ranging from shallow waters to approximately 30 meters. The species requires healthy coral reef ecosystems with abundant coral cover and complex three-dimensional structure for foraging and shelter.

Marine neritic· major

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Frequently asked questions

Why is Thalassoma robertsoni classified as Vulnerable?
Thalassoma robertsoni is classified as Vulnerable because the population is declining and the species faces a high risk of extinction in the medium-term future if current pressures continue. Thalassoma robertsoni faces significant pressure from coral reef degradation throughout its limited range in the Western Indian Ocean. The species is particularly vulnerable to coral bleaching events and ocean acidification, which destroy the complex reef structures essential for its feeding and shelter. Overfishing of reef ecosystems and destructive fishing practices further compromise the delicate balance of its coral reef habitat.
Where does Thalassoma robertsoni live?
Thalassoma robertsoni occurs in Costa Rica, France, and Mexico. Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Thalassoma robertsoni?
The main threats to Thalassoma robertsoni are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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