What question did this study set out to answer?

This research aims to assess how chronic wastewater pollution influences coral reef fish assemblages through functional trait variation.

Reef Fish Functional Trait Responses to Wastewater-Driven Environmental Gradients

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Randomized trial investigates reef fish responses to wastewater impacts, highlighting ecological implications.

This research aims to assess how chronic wastewater pollution influences coral reef fish assemblages through functional trait variation.
Surveyed reef fish at seven sites along the leeward coast of San Andrés Island over 13 years.
Quantified species richness, abundance, and eight functional traits using functional indices.
Characterized environmental conditions with long-term water quality data and in situ measurements of benthic cover.
Impacted sites had lower species richness and functional richness (FRic) compared to less affected areas.
Key functional traits related to mobile predators, demersal spawners, and herbivores were absent in polluted zones.
Environmental factors, including water quality and benthic composition, significantly affected trait changes across the pollution gradient.

Gómez et al. (2026) studied this question.

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