Non‐lethal sampling for the stable isotope analysis of the critically endangered European eel Anguilla anguilla: how fin and mucus compare to dorsal muscle

Ecological studies on the critically endangered European eel Anguilla anguilla often incorporate stable isotope analysis that typically uses dorsal muscle sampled from euthanised eels. To minimise the lethal sampling of imperilled populations, fin tissue and/or epidermal mucus can provide non‐lethal...

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Bibliographic Details
Published in:Journal of Fish Biology
Main Authors: Boardman, Rose M., Pinder, Adrian C., Piper, Adam T., Roberts, Catherine Gutmann, Wright, Rosalind M., Britton, J. Robert
Format: Text
Language:English
Published: Blackwell Publishing Ltd 2022
Subjects:
Brief Communications
Anguilla anguilla
Online Access:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9303185/
http://www.ncbi.nlm.nih.gov/pubmed/35025118
https://doi.org/10.1111/jfb.14992
Description
Summary:Ecological studies on the critically endangered European eel Anguilla anguilla often incorporate stable isotope analysis that typically uses dorsal muscle sampled from euthanised eels. To minimise the lethal sampling of imperilled populations, fin tissue and/or epidermal mucus can provide non‐lethal alternatives to muscle. The results here indicate that δ(13)C and δ(15)N values of both eel fin and mucus are not significantly different from those of muscle and can be applied directly in comparative SI studies.

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