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Tags: Aquatic Biology and Ecology

All Categories (1-20 of 38)

  1. Yawn-like behavior in captive common bottlenose dolphins (Tursiops truncatus)

    Contributor(s):: Enokizu, A., Morisaka, T., Murakami, K., Sakurai, N., Ueda, N., Yoshioka, M.

  2. METHODS FOR MULTISPECIES ANTHROPOLOGY: Thinking with Salmon Otoliths and Scales

    Contributor(s):: Swanson, Heather Anne

  3. Cortisol levels in dolphin Tursiops truncatus interactive programs linked to humanNiveles de cortisol en delfines Tursiops truncatus vinculados a programas interactivos con humanos

    Contributor(s):: Sanchez Okrucky, R., Morales Vela, B.

    Understanding the physiological changes in animals during physical activity to improve animal welfare has become increasingly important in animal collections that remain under human care. To date, the effect of interactive programs on dolphins under human care has not been evaluated, for that...

  4. In the water with white sharks (Carcharodon carcharias): participants' beliefs toward cage-diving in Australia

    | Contributor(s):: Apps, K., Dimmock, K., Lloyd, D., Huveneers, C.

    White shark (Carcharodon carcharias) cage-diving tourism is a controversial activity that provokes emotional and often opposing points of view. With increasing demand for shark tourism since the 1990s, the un- derlying determinants driving this growth in participation remain unclear. This paper...

  5. In the water with white sharks ( Carcharodon carcharias): participants' beliefs toward cage-diving in Australia

    | Contributor(s):: Apps, K., Dimmock, K., Lloyd, D., Huveneers, C.

    White shark ( Carcharodon carcharias) cage-diving tourism is a controversial activity that provokes emotional and often opposing points of view. With increasing demand for shark tourism since the 1990s, the underlying determinants driving this growth in participation remain unclear. This paper...

  6. Are farmed salmon more prone to risk than wild salmon? Susceptibility of juvenile farm, hybrid and wild Atlantic salmon Salmo salar L. to an artificial predator

    | Contributor(s):: Solberg, M. F., Zhang, ZhiWei, Glover, K. A.

    Offspring of farmed Atlantic salmon have been documented to display lower survival than the offspring of wild salmon in the wild. It has been suggested that reduced survival of farmed salmon offspring in the wild could, in part, be explained by increased susceptibility to predation through...

  7. The impact of animal welfare advertising on opposition to the Canadian seal hunt and willingness to boycott the Canadian seafood industry

    | Contributor(s):: Braunsberger, K.

    The purpose of this research was to measure and compare the initial and carryover effects of a video advertisement developed by an animal welfare organization, namely Harpseals. org. The ad was designed to educate the public about an egregious act against wildlife (i.e., the Canadian seal hunt),...

  8. Behavioural responses of Argentine coastal dusky dolphins Lagenorhynchus obscurus to a biopsy pole system

    | Contributor(s):: Loizaga de Castro, R., Hoelzel, A. R., Crespo, E. A.

  9. The effect of morphine on changes in behaviour and physiology in intraperitoneally vaccinated Atlantic salmon ( Salmo salar)

    | Contributor(s):: Nordgreen, J., Bjorge, M. H., Janczak, A. M., Poppe, T., Koppang, E. O., Ranheim, B., Horsberg, T. E.

  10. The positional quality of life and death: a theory of human-animal relations in animism

    | Contributor(s):: Praet, I.

  11. Medieval and early modern whaling in Portugal

    | Contributor(s):: Brito, C.

    Mainland Portugal is not renowned for having been a whaling nation of significance. However, preliminary studies have brought to light enough historical references to suggest that whaling occurred from at least the 13th century, and the present work identifies 38 historical sources documenting...

  12. Dolphin therapy

    | Contributor(s):: Gouva, E., Ergolavou, A., Paschos, I., Perdikaris, C., Nathanailides, C., Damigou, N., Athanasopoulou, F.

    Dolphin therapy emerged during the 1950s. The work of Dr. John Lilly played an important role, since he investigated the impact of dolphins on disabled people. From 1978 onwards, the therapeutic aid of dolphins was further advanced, especially after the success of Dr Davis Nathanson with...

  13. Behavioural responses of juvenile Steller sea lions to hot-iron branding

    | Contributor(s):: Walker, K. A., Mellish, J. A. E., Weary, D. M.

    Here we present the first data showing the post-branding behavioural responses in a marine mammal. Eleven captive juvenile Steller sea lions (Eumetopias jubatus) were observed for 3 days before and 3 days after hot-iron branding. Four of six monitored behaviours changed significantly after...

  14. Developing fish passage and protection at hydropower dams. (Special issue: Fish Behaviour and Welfare.)

    | Contributor(s):: Schilt, C. R.

    The development of waterways, for hydropower and other industrial uses, has substantially altered many of the freshwater habitats of the planet and this has had considerable impact upon aquatic organisms. Industrial changes in aquatic ecosystems, including hydropower development, can restrict or...

  15. Does participation in Dolphin-Human Interaction Programs affect bottlenose dolphin behaviour?

    | Contributor(s):: Trone, M., Kuczaj, S., Solangi, M.

    The present study quantified the daily (short-term) and monthly (long-term) behavioural repertoires of three dolphins that participated in Dolphin Interaction Programs with paying guests. Behavioural data were collected over a 6-month period, with Dolphin Interaction Programs occurring daily...

  16. Effects of intra- and interspecific competition on diet, growth and behaviour of Labeo calbasu (Hamilton) and Cirrhinus cirrhosus (Bloch)

    | Contributor(s):: Rahman, M. M., Verdegem, M.

    Effects of intra- and interspecific competition on diet, growth, grazing, swimming, resting and social behaviour of two carps calbasu (Labeo calbasu) and mrigal (Cirrhinus cirrhosus) were examined in single and mixed species treatments. Three treatments (tanks with 4 L. calbasu, 4 C. cirrhosus or...

  17. Effects of trace metals on salmonid fish: the role of social hierarchies. (Special issue: Fish Behaviour and Welfare.)

    | Contributor(s):: Sloman, K. A.

    Dominance hierarchies form among groups of salmonid fish as a result of competition over limited resources such as food and mates. These social structures occur both within natural salmonid populations and in aquaculture with associated implications for conservation and welfare. Competitive...

  18. Into the brains of whales

    | Contributor(s):: Simmonds, M. P.

    Whilst studies on cetaceans have focused on a few populations of just a few species, various complex behaviours and social structures that support the notion that cetaceans should be regarded as intelligent animals have been revealed. The evidence to support this is reviewed here and is best...

  19. The effect of varying dietary energy on growth and feeding behaviour of common carp, Cyprinus carpio , under experimental conditions

    | Contributor(s):: Yilmaz, E., Sahin, A., Duru, M., Akyurt, I.

    In this study, it was aimed to determine the effects of five isonitrogenous (35% CP) diets I, II, III, IV and V, having respective energy contents 10.85, 11.82, 12.73, 13.69 and 15.06 MJ DE kg-1 on feeding behaviour and growth of common carp with relation to each other. These energetic diets were...

  20. A brief note on the relationship between residual feed intake and aggression behaviour in juveniles of African catfish Clarias gariepinus

    | Contributor(s):: Martins, C. I. M., Hillen, B., Schrama, J. W., Verreth, J. A. J.

    Individual differences in maintenance levels have been related with energetically expensive processes such as aggression. This relationship is not fully understood as on one hand individuals with higher maintenance requirements seem to be more aggressive but on the other hand have smaller...