Dichotomous Key
Sharks
Help save sharks!
Shortfin Mako
Longfin Mako
Blue Shark
White Shark
Great Hammerhead
Smooth Hammerhead
Whale Shark
Lemon Shark
Longnose Sawshark
Tiger Shark
Dichotomous Key
1b- If the organism has 1 or more growths on it's head, go to 2
2a- If the organism has a T shaped head, go to 3
2b- If the organism does not have a T shaped head, it is Pristiophoros cirratus
3a- If the organism has a blue body, it is Sphyrna mokarran
3b- If the organism has a grey body, it is Sphyrna zygaena
4a- If the organism has large eyes, go to 5
4b- If the organism does not have large eyes, go to 7
5a- If the organism has color in it's eyes, it is Prionace glauca
5b- If the organism has pitch black eyes, go to 6
6a- If the organism has long fins, it is Isurus paucus
6b- If the organism has short fins, it is Isurus oxyrinchus
7a- If the organism has a pattern on it's body, go to 8
7b- If the organism does not have a pattern on it's body, go to 9
8a- If the organism has spots, its is Rhincodon typus
8b- If the organism has speckled stripes, it is Galeocerdo cuvier
9a- If the organism is brown and white, it is Negaprion brevirostris
9b- If the organism grey and white, it is Carcharodon carcharias