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
Main Authors: Boardman, R.M., Pinder, Adrian C., Piper, A.T., Gutmann Roberts, Catherine, Wright, R.M., Britton, J.R.
Format: Article in Journal/Newspaper
Language:English
Published: 2022
Subjects:
Anguilla anguilla
Online Access:http://eprints.bournemouth.ac.uk/36514/
https://eprints.bournemouth.ac.uk/36514/7/Journal%20of%20Fish%20Biology%20-%202022%20-%20Boardman%20-%20Non%E2%80%90lethal%20sampling%20for%20the%20stable%20isotope%20analysis%20of%20the%20critically.pdf
https://eprints.bournemouth.ac.uk/36514/1/Journal%20of%20Fish%20Biology%20-%202022%20-%20Boardman%20-%20Non%E2%80%90lethal.pdf
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 δ13 C and δ15 N values of both eel fin and mucus are not significantly different to those of muscle and can be applied directly in comparative SI studies.

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