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Figure 1: Skerry, B.J., n.d. Bull Shark swimming in shallow waters. [electronic print] Cited by National Geographic. Available at: http://animals.nationalgeographic.com/animals/fish/bull-shark/
Figure 2a & 2b: 2a: Anon, n.d. Showing bull shark has a short, blunt and broadly rounded snout. 2b: Shows the upper teeth of the bull shark. They are broadly triangular and strongly serrated. Available at: http://www.daff.qld.gov.au/fisheries/species-identification/shark-identification-guide/photo-guide-to-sharks/sharks,-part-1/bull-shark
Figure 3 & 4: Cesarano, D. 2014. Bull shark features.
Figure 5a & 5b: 5a: Deitsch, S. J. n.d. Possibly pregnant female bull shark. 5b: FLMNH. n.d. A tagged bull shark pup being released in its nursery ground.
Figure 7: Anon.n.d. Dr. Neil Hammerschlag pulling up a 1,000-pound bull shark. Available at: http://www.livescience.com/20806-bull-shark-picture.html
Figure 8: Anon. n.d. Dead Bull shark on local tour company vessel. Available at: http://www.sanpedrosun.com/conservation/2014/02/07/concerns-raised-bull-shark-fished-local-tour-company/
Figure 9: Cesarano, D. 2014 Internal organs that help in urea production, ion content balance.
Figure 10: Leyland, R. 2014. Reb-bellied piranha swimming.
Figure 11: Cesarano, D.2014. Tank dimension of the ‘new home’ of Red-bellied piranha.
Figure 12:Cesarano, D. 2014. A. Filtration tank (with an ammonia alert level); B. 2 external filtration pumps and C. UV florescent light.