By Robert E. Shadwick, Anthony P. Farrell, Colin J. Brauner
Fish body structure: body structure of Elasmobranch Fishes, quantity 34B is an invaluable reference for fish physiologists, biologists, ecologists, and conservation biologists. Following a rise in learn on elasmobranchs as a result plight of sharks in today’s oceans, this quantity compares elasmobranchs to different teams of fish, highlights components of curiosity for destiny study, and gives point of view on destiny difficulties. protecting measurements and lab-and-field established reviews of enormous pelagic sharks, this quantity is a ordinary addition to the popular Fish Physiology series.
- Provides wanted complete content material at the body structure of elasmobranchs
- Offers a structures strategy among constitution and interplay with the surroundings and inner physiology
- Contains contributions through best specialists of their respective fields, below the assistance of across the world well-known and hugely revered editors
- Highlights components of curiosity for destiny study, together with point of view on destiny problems
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Extra info for Physiology of Elasmobranch Fishes: Internal Processes
The lengths of the lines show the range of body masses over which data were obtained. The estimated heart mass at a common body mass (200 kg) are also shown. A regression line showing heart mass in a regionally endothermic teleost, bluefin tuna (Thunnus thynnus), have been added for comparison. Data from Poupa et al. (1981). likely that SV is equivalent in all three species. , HR Â SV, Eq. 1). 2). The matching of the functional properties of the cardiovascular system to species’ energetics is also demonstrated when comparisons are made between spotted catsharks and a representative teleost (rainbow trout, Oncorhynchus mykiss).
Likely that SV is equivalent in all three species. , HR Â SV, Eq. 1). 2). The matching of the functional properties of the cardiovascular system to species’ energetics is also demonstrated when comparisons are made between spotted catsharks and a representative teleost (rainbow trout, Oncorhynchus mykiss). 1) in spite of the anatomical differences in teleost and elasmobranch respiratory and cardiovascular systems (Satchell, 1999). 1) in spite of the very different evolutionary histories of the two groups.
2012a,b), which are presumably accompanied by reductions in venous PO2 (although the latter was not measured). We note, however, that is also possible that the selective pressure for development of Type III and Type IV ventricles in elasmobranchs are more related to the low venous PO2s that occur during times of elevated metabolic O2 demand (described above). One of the characteristics used to classify hearts as Type III or IV is the fraction of the ventricle cross-sectional areas made up of compact myocardium.
Physiology of Elasmobranch Fishes: Internal Processes by Robert E. Shadwick, Anthony P. Farrell, Colin J. Brauner