Great Hammerhead Shark
- Photographs and video clips of this species and information on its biology and status.
- http://www.arkive.org/species/GES/fish/Sphyrna_mokarran/

Chain Dogfish: Scyliorhinus retifer
- Drawing of this small species, its description and information on its range.
- http://www.gma.org/fogm/Scyliorhinus_retifer.htm

Smooth Dogfish: Mustelus canis
- Drawing of this species and its teeth, its description and information on its habits and range.
- http://www.gma.org/fogm/Mustelus_canis.htm

Shovelhead: Sphyrna tiburo
- Drawing of this species, also known as the bonnet head shark, its description and information on its range.
- http://www.gma.org/fogm/Sphyrna_tiburo.htm

Common Hammerhead: Sphyrna zygaena
- Drawings of this shark, its teeth and its head from below, and information on its appearance and range.
- http://www.gma.org/fogm/Sphyrna_zygaena.htm

Tiger Shark: Galeocerdo cuvier
- Drawing of this species, also known as the leopard shark, and its teeth, its description and information on its habits and range.
- http://www.gma.org/fogm/Galeocerdo_cuvier.htm

Brown Shark: Carcharhinus milberti
- Description of this species, also known as the sandbar shark, and information on its range and occurrence in the Gulf of Maine.
- http://www.gma.org/fogm/Carcharhinus_milberti.htm

Dusky Shark: Carcharhinus obscurus
- Drawings of this species and its teeth, its description and information on its habits and range.
- http://www.gma.org/fogm/Carcharhinus_obscurus.htm

Sharp Nosed Shark: Scoliodon terrae-novae
- Drawing of this species, its description and its range.
- http://www.gma.org/fogm/Scoliodon_terrae-novae.htm

Blue Shark: Prionace glauca
- Drawing of this species and its teeth, its description and information on its habits and range.
- http://www.gma.org/fogm/Prionace_glauca.htm

Carcharhiniformes
- Information from Wikipedia on this large order of sharks.
- http://en.wikipedia.org/wiki/Carcharhiniformes

Bull Shark
- Description and natural history of Carcharhinus leucas from the Animal Diversity Web.
- http://animaldiversity.ummz.umich.edu/site/accounts/information/Carcharhinus_leucas.html

Tiger Shark Research
- A description of the research being done on sharks at the Hawaii Institute of Marine Biology.
- http://www2.hawaii.edu/~carlm/tigershark.html