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Bull Sharks
Copyright: scenebank.com
Started: January 14, 2013.
size-comparison of 6foot man to 11ft bull shark - plan view
Length:
3.4 m (11 ft) [adult],
0.8 m (2.7 ft) [pup]
Height:
1.2 m (4 ft) [adult, pectoral fin-tip to dorsal fin-tip](estimated by author)
Weight:
318 kg, (700 lbs) [adult] [ref1]
Life Stages:
pup (at birth),
juvenile (0-4 years),
adult (5-16 years)
Lifespan:
up to 16 years. [ref3]
Speed:
cruising, 8 kph (5 mph, 4.3 knots),
attack, 19 kph (11 mph, 9.6 knots)
Species:
Carcharhinus leucas
Sense of Smell:
keen [ref4]
Vision:
poor [ref4]
Coloration:
dark dorsal & pectoral fin tips (esp. when young). Also, countershading (belly is white, topside is gray). Serves as an aquatic camouflage.
Prey detection:
through sense of smell.
Habitat:
tropical & temperate ocean regions. Deep freshwater rivers too.[ref2]
Bite Force:
600 kg (1,300 lbs) [ref6];    2nd estimate: 6000 N (the largest relative bite force of any shark, relative to its body size) [ref7].
Evolution:
n/a
Q: How do Bull Sharks & Great White Sharks differ?
A: 1) Bull Sharks have small eyes, Great White Sharks don't. 2) Bull Sharks have wide, blunt snouts, while Great Whites' snouts are more sharply angled (conical). 3) The upper lobe of a Bull Shark's tail is long and low, while Great Whites' tail lobes are vertical, and more equal in size. 4) Bull Sharks have a big 'second dorsal fin' behind their main dorsal fin, whereas Great Whites have very small second dorsal fins.

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