An Archival Tag for Monitoring Key Behaviours (Feeding and Spawning) in Fish
Part of the
Reviews: Methods and Technologies in Fish Biology and Fisheries
book series (REME, volume 9)
Feeding is a key factor affecting the growth, survival and reproductive success of marine fish. Understanding feeding in relation to spatial movements and habitat use is therefore key to the realistic parameterisation of models of fish populations and ecosystem dynamics. But obtaining information about feeding from fish in the wild over extended time scales is problematic.
To address this problem, we have developed a modification of the Cefas G5 archival tag that can monitor feeding. Our approach is based on the inter-mandibular angle sensor (IMASEN) and used previously with penguins in which jaw movements were measured by monitoring the relative movement between a small Neodymium disc magnet and a Hall-effect magnetic field sensor.
The new tag has a maximum data logging frequency of 30 Hz, a sensor resolution of 12 bit and a memory of 16 MB, sufficient to store ∼96 h of data when logged at 30 Hz. The flexible data logging capabilities of the G5 DST allow the tag to be programmed so that feeding trials can be extended over several months by programming the tags to log data for short periods (e.g. 1 h) on separate, pre-defined, occasions. In laboratory studies with Atlantic cod, jaw movement data were obtained during ventilating, yawning, coughing and, in one fish, during feeding. The results indicate that these different types of jaw movement can readily be discriminated and analysis suggests that feeding events should be detectable at lower data logging frequencies (e.g. 10 Hz). Studies are also being undertaken to monitor movements of the cloacae of female cod as a possible means of identifying spawning activity.
KeywordsCod Feeding behaviour Telemetry Archival tag Spawning
Butler P.J. and Woakes A.J. (1989) Telemetry. In
Bridges C.R. and Butler P.J. (eds.) Techniques in Comparative Respiratory Physiology: An experimental approach. Edited by., Cambridge University Press, pp. 139–170.Google Scholar
Daan N. (1987) Multispecies versus single-species assessment of North Sea fish stocks. Can. J. Fish. Aqua. Sci
(Supplement 2), 360–370.CrossRefGoogle Scholar
Fry B. (1988) Food web structure on Georges Bank from stable C, N and S isotopic compositions. Limnol. Oceanogr.
Gerking, S.D. (1994) Feeding Ecology of Fish. Academic Press. 416 pp.Google Scholar
Heithaus M.R., Dill L.M., Marshall D.J. and Buhleier B. (2002) Habitat use and foraging behaviour of tiger sharks (Galeocerdo cuvier
) in a seagrass ecosystem. Mar. Biol.
(2), 237–248.CrossRefGoogle Scholar
Hochscheida S., Maffuccia F., Bentivegnaa F. and Wilson R.P. (2005) Gulps, wheezes, and sniffs: how measurement of beak movement in sea turtles can elucidate their behaviour and ecology. J. Exp. Mar. Biol. Ecol.
, 45–53.CrossRefGoogle Scholar
Hunter E., Aldridge J.N., Metcalfe J.D. and Arnold G.P. (2003) Geolocation of free-ranging fish on the European continental shelf as determined from environmental variables. I. Tidal location method. Mar. Biol.
, 601–609.Google Scholar
Juanes F., Buckel J.A. and Scharf F.S. (2002) Feeding Ecology of Piscivorous Fishes. In
Hart P.J.B and Reynolds J.D. (eds.) Handbook of Fish Biology and Fisheries Vol. I. Blackwell Science. Oxford, pp. 267–283.CrossRefGoogle Scholar
Kinkead R., Fritsche R., Perry S.F. and Nilsson S. (1991) The role of circulating catecholamines in the ventilator and hypertensive responses to hypoxia in the Atlantic cod (Gadus morhua
). Physiol. Zool
, 1087–1109.Google Scholar
Love R.M. (1980) The Chemical Biology of Fishes. Vol. 2. Academic Press. London.Google Scholar
Magnússon K. G. (1995) An overview of the multispecies VPA- theory and applications. Rev. Fish Biol. Fisher.
Metcalfe J.D. and Arnold G.P. (1997) Tracking fish with electronic tags. Nature
, 665–666.CrossRefGoogle Scholar
Metcalfe J.D., Arnold G.P. and McDowall R.A. (2002) Migration. In
Hart P.J.B. and Reynolds J.D. (eds.) Handbook of Fish Biology and Fisheries Vol. I. Blackwell Science. Oxford, pp. 175–199.CrossRefGoogle Scholar
Owens N.J.P. (1987) Natural variations in 15 N in the marine environment. Adv. Mar. Biol
, 389–451.CrossRefGoogle Scholar
Polunin N. V. C., and Pinnegar J. K. (2002) Ecology of fishes in marine food-webs. In
Hart P.J.B. and Reynolds J. D. (eds.) Handbook of Fish and Fisheries Vol. 1. Blackwell Science, Oxford, pp. 301–320.CrossRefGoogle Scholar
Post D. M. (2002) Using stable isotopes to estimate trophic position: models, methods and assumptions. Ecol
, 703–718.CrossRefGoogle Scholar
Righton D.R., Metcalfe J.D. and Connolly P. (2001). Different behaviour of North and Irish Sea cod. Nature
, 156.CrossRefPubMedGoogle Scholar
Ropert-Coudert Y. and Wilson R.P. (2005) Trends and perspectives in animal-attached remote sensing. Front. Ecol. Env.
, 437–444.CrossRefGoogle Scholar
Staniland I. J., Hart P. J. B. and Bromley P. J. (2001) The regurgitation of stomach contents in trawl caught whiting: evidence of a predator size effect. J. Fish Biol
, 1430–1432.CrossRefGoogle Scholar
Wilson R.P., Steinfurth A., Ropert-Coudert Y., Kato A. and Kurita M. (2002) Lip-reading in remote subjects: an attempt to quantify and separate ingestion, breathing and vocalisation in free-living animals using penguins as a model. Mar. Biol.
, 17–27.CrossRefGoogle Scholar
Wootton R.J. (1990) Ecology of Teleost Fishes (Chapter 3: Feeding). Chapman and Hall. London New York.Google Scholar
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