### animal | vertebrate | fish | shark | hammerhead:

Scallop hammerhead
* Some scallop hammerheads have placentas
  - posterior edges
* have characteristics.

Smooth hammerhead
* Most smooth hammerheads feed on fish.
* Most smooth hammerheads have flat heads
* are found worldwide in temperate waters.

Horn shark
* Some horn sharks have types.
* are harmless unless harassed, and are readily maintained in captivity
  - innocuous towards humans
* breed at the bottom of their environment.
* eat sea urchins and crustaceans, grinding away their spines and crushing their shells.

Large shark
* Some large sharks eat mammals
  - marine mammals
* Some large sharks have few natural predators
* are a significant cause of mortality in young dolphins
  - the wolves and mountain lions of the sea
* lurk everywhere.
* swim by slowly, receding into the seemingly limitless distance.

Larger shark
* are more successful in capturing seals than smaller sharks.
* feed mainly on bony fishes , especially ariid sea catfish and their eggs.

### animal | vertebrate | fish | shark:

Lemon shark
* Some lemon sharks reach maturity
  - sexual maturity.
  * The 'Lemon shark' shark that gets it's name from its deep yellow back. Its belly is off-white. Lemon sharks are usually eight to ten feet long. They have long, sharp teeth for catching slippery fish. Lemon sharks are common on the southeast coast of the United States of America
* are found from New Jersey to southern Brazil in the tropical western Atlantic Ocean
  - in groups based on similar size
  - most common along the coasts of Latin America and the Caribbean
  - named for their yellow brown colouring
* feed on prey that are intermediate in size compared to other available prey.
* have a natural ability to throw their stomach outside of their bodies.

Leopard shark
* eat a variety of prey including fish, shrimp, clams and crabs
  - mainly bottom-dwelling fishes and invertebrates
* range in size from three to six feet long and school in the shallows in the summer.

### animal | vertebrate | fish | shark:

Loan shark
* are located in race tracks.
* lend everyone money at exaggerated interest rates.
  * are an informal way of describing a person that sells loans but with very high interest rates. This means that they pay you for now, and you pay them later. But you pay them much more than you got paid by them. Loan sharks tend to ask for something beforehand anyway, like someone's passport for reference. Loan sharks are mostly illegal. They tend to use blackmail and other nasty ways to get their money back - if you refuse to pay them back.

### animal | vertebrate | fish | shark | mackerel shark:

Basking shark
* are a migrating species and are believed to overwinter in deep waters
  - continuous ram feeders
  - endangered sharks that inhabit coastal waters and feed on plankton
  - filter feeders that sieve small animals from the water
  - highly migratory
  - regulars during summer
* are the most common large shark by-catch
  - world's second largest known species of shark
* belong to the few plankton eaters in the shark world.
* eat plankton and they move along with their mouths open wide filtering as they go.
* feed on plankton, and use their gill rakers to collect plankton in the water column
  - only on plankton, especially copepods and small crustaceans
* have large feathery gill-like structures to catch prey with.
* live in coastal temperate waters.
* mackerel shark
* migrate mostly in schools, accordingly they also feed together.
+ Basking shark, Behaviour, Migration: Sharks
  * Basking sharks are highly migratory. Off the southwest coast of the United Kingdom, in the northeast Atlantic, the Basking shark feeds at the surface of coastal waters during the summer. These sharks are absent from November to March, suggesting a migration beyond the continental shelf during the winter months. During migration, Basking sharks form groups depending on size and gender.