Variability in behaviour of four fish species attracted to baited underwater cameras in the North Sea

Inigo Martinez, Emma G. Jones, Sarah L. Davie, Francis C. Neat, Benjamin D. Wigham, Imants G. Priede

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Baited underwater camera (BUC) systems to estimate demersal fish abundance are becoming increasingly considered as an alternative to traditional survey methods, particularly in environments that contain sensitive habitats or protected species. Based on 27 replicate deployments of BUCs at 100 m depth in the northern North Sea, in rank order of abundance, hagfish (Myxine glutinosa), flatfish mainly dabs (Limanda limanda), whiting (Merlangius merlangus) and haddock (Melanogramus aeglefinus) were observed consistently at baits. Higher maximum numbers (N max) occurred during daytime in all species with the most significant effect in flatfish, 18 in daytime and 5 at night-time. Bottom current had no significant effect on numbers of whiting, flatfish or haddock. The N max of hagfish was strongly related to current speed in a non-linear way with an increase in numbers up to 10 cm s-1 and then decrease in N max at higher water speeds. Understanding and accounting for such species-specific influences is important in the design of long term monitoring surveys using baited cameras.
Original languageEnglish
Pages (from-to)23-34
Number of pages12
JournalHydrobiologia
Volume670
Issue number1
Early online date30 Mar 2011
DOIs
Publication statusPublished - Jul 2011

Fingerprint

underwater camera
flatfish
Pleuronectiformes
North Sea
cameras
Myxini
whiting
haddock
fish
Merlangius merlangus
protected species
demersal fish
survey method
bottom current
bait
baits
monitoring
habitat
habitats
sea

Keywords

  • baited camera
  • current
  • demersal fish
  • North Sea
  • fisheries

Cite this

Martinez, I., Jones, E. G., Davie, S. L., Neat, F. C., Wigham, B. D., & Priede, I. G. (2011). Variability in behaviour of four fish species attracted to baited underwater cameras in the North Sea. Hydrobiologia, 670(1), 23-34. https://doi.org/10.1007/s10750-011-0672-x

Variability in behaviour of four fish species attracted to baited underwater cameras in the North Sea. / Martinez, Inigo; Jones, Emma G.; Davie, Sarah L.; Neat, Francis C.; Wigham, Benjamin D.; Priede, Imants G.

In: Hydrobiologia, Vol. 670, No. 1, 07.2011, p. 23-34.

Research output: Contribution to journalArticle

Martinez, I, Jones, EG, Davie, SL, Neat, FC, Wigham, BD & Priede, IG 2011, 'Variability in behaviour of four fish species attracted to baited underwater cameras in the North Sea', Hydrobiologia, vol. 670, no. 1, pp. 23-34. https://doi.org/10.1007/s10750-011-0672-x
Martinez, Inigo ; Jones, Emma G. ; Davie, Sarah L. ; Neat, Francis C. ; Wigham, Benjamin D. ; Priede, Imants G. / Variability in behaviour of four fish species attracted to baited underwater cameras in the North Sea. In: Hydrobiologia. 2011 ; Vol. 670, No. 1. pp. 23-34.
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