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Blood lactate loads of redthroat emperor Lethrinus miniatus associated with angling stress and exhaustive exercise

journal contribution
posted on 2013-11-01, 00:00 authored by L M Currey, M R Heupel, C A Simpfendorfer, Timothy ClarkTimothy Clark
Baseline, post-angling and maximum attainable blood lactate concentrations were measured for the fishery species redthroat emperor Lethrinus miniatus to gain insight into the condition of fish released following c. 30 s angling and <45 s air exposure. Mean ± S.D. baseline blood lactate was 1·5 ± 0·6 mmol l⁻¹, which increased and plateaued around 6 mmol l⁻¹ at 15-30 min post-angling. These values were significantly lower than those obtained from fish maximally exhausted with a prolonged chase and air exposure protocol following capture (10·9 ± 1·8 mmol l⁻¹), suggesting that L. miniatus is not maximally exhausted during standard angling practices.

History

Journal

Journal of fish biology

Volume

83

Issue

5

Pagination

1401 - 1406

Publisher

John Wiley & Sons

Location

Chichester, Eng.

eISSN

1095-8649

Language

eng

Publication classification

C Journal article; C1.1 Refereed article in a scholarly journal

Copyright notice

2013, Fisheries Society of the British Isles