Laboratory Animals > Volume 43, Number 2 > Pp. 107-120

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Review Articles

Key issues concerning environmental enrichment for laboratory-held fish species

T D Williams , G D Readman and S F Owen

AstraZeneca, Safety, Health and Environment, Brixham Environmental Laboratory, Freshwater Quarry, Brixham, Devon TQ5 8BA, UK

Corresponding author: Dr Tim Williams. Email: tim.williams{at}astrazeneca.com

An improved knowledge and understanding of the fundamental biological requirements is needed for many of the species of fish held in captivity and, without this knowledge it is difficult to determine the optimal conditions for laboratory culture. The aim of this paper is to review the key issues concerning environmental enrichment for laboratory-held fish species and identify where improvements are required. It provides background information on environmental enrichment, describes enrichment techniques currently used in aquatic ecotoxicology studies, identifies potential restrictions in their use and discusses why more detailed and species-specific guidance is needed.

Key Words: Fish • environmental enrichment • techniques • ecotoxicology

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