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April 24, 2026Ecology and EvolutionOpen Access

Cameras or Divers? How Baited Remote Underwater Videos and ‘Long Swims’ Underwater Visual Census Complement Each Other on Coral Reefs

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Comparison of BRUV and LS-UVC methods reveals distinct ecological components in coral reef fish assemblages.

This study aims to compare the effectiveness of baited remote underwater videos and long swims in surveying predatory reef fish on coral reefs.
Site-specific comparison of BRUVS and LS-UVC protocols on coral reefs of Pemba Island, Tanzania.
Implemented spatial filtering and multivariate sensitivity analysis to assess community composition.
Used bootstrapping for effort- and depth-matched resampling.
BRUVs detected higher species richness and unique species compared to LS-UVC.
LS-UVC was more effective at finding residential reef-associated taxa but identified fewer overall unique species.
Methods exhibited low similarity in species identification, indicating they sample different ecological components.

Osuka‐Edeye et al. (2026) studied this question.

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