- Whale shark, or Rhincodon typus, is the largest species of both shark and fish, reaches up to 50 feet in length. This omnivore primarily eats plankton, but always feeds on crustaceans and small fish. The whale shark inhabits all tropical seas in the world and is the only large shark that has its mouth on the front of its head as opposed to its underside. It is classified in the order Selachii, family Rhincodontidae.
- The great white shark, or Carcharodon carcharias, is an aggressive, predatory species also called "the man eater," because it is known to attack humans without provocation. White sharks are distributed in temperate and tropical oceans worldwide but are most commonly found in the United States' Atlantic coast. Reaching more that 20 feet in length, the white shark has a grayish upper body and white underside. It is categorized in the order Selachii, family Isuridae (formerly called Lamnidae).
- The thresher shark is a common name for members of the genus alopias. Thresher sharks are distinguished by their long, slender, forked, sickle-shaped tail. They feed on fish and are primarily distributed offshore in tropical waters. However, some are known to inhabit temperate regions. Thresher sharks are classified in the order Selachii, family Alopiidae.
- Hammerhead sharks belong to the genus sphyrina, and have characteristic projections on the sides of their head that resemble the crossbar of the letter "T." These sharks live in brackish water, feed on fish and are also known to consume humans. The largest species of hammerhead grows up to 15 feet in length. Hammerheads are categorized in the order Selachii, family Sphyrnidae.
- The basking shark, or Cetorhinus maximus, is distributed in most oceans, primarily inhabiting temperate areas. They grow up to 40 feet in length, and have torpedo-shaped bodies. This plankton-eater is classified in the order Selachii, family Cetorhinidae.
- Mako is the common name for members of the genus isurus. They are part of the mackerel shark family, that includes varieties such as goblin sharks and great white sharks. Reaching up to 12 feet in length, makos feed on fish and are distributed worldwide. They are categorized in the order Selachii, family Isuridae.
- Dogfish shark is the common name for a variety of small sharks that are classified among different families. Generally growing up to 4 feet in length and weighing up to 20 lbs., dogfish consume invertebrates and small fish. Distributed in all oceans, dogfish are classified in the order Selachii and numerous families including Squalidae. The name "dogfish" is also applied to groups of unrelated bony fish.
- Tiger shark or Galeocerdo cuvier, are named for the vertical stripes primarily found on juveniles. Over time, the stripes fade, almost disappearing completely. Tiger sharks are considered to be man eaters, consuming a wide range of prey including fish, snakes, birds, seals and humans. Growing up to 25 feet long, tiger sharks inhabit seas worldwide and are categorized in the order Carcharhiniformes, family Carcharhinidae.
- Bull sharks or Carcharhinus leucas are widely distributed in all of world's oceans, and commonly inhabit tropical shorelines. Even though bull sharks are known to attack and eat humans without provocation, they primarily feed on dolphins, fish and other sharks. Bull sharks are classified in the order Carcharhiniformes, family Carcharhinidae.
- Goblin sharks, or Mitsukurina owstoni, are a species of deep sea, bottom dwellers that are distributed worldwide. Feeding on fish and crustaceans, they are categorized in the order Lamniformes, family Mitsukurinidae.