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Requiem Shark

 
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The requiem sharks refer to all members of the Carcharhinidae family that includes a family of migratory, live-bearing shark
Shark

Sharks are a type of fish with a full Cartilage skeleton and a highly Streamlines, streaklines and pathlinesd body. They respire with the use of five to seven gill slits....
s of warm seas, sometimes also found in brackish or fresh water, such as the tiger shark
Tiger shark

The Tiger Shark, Galeocerdo cuvier, the second largest predatory shark is the only member of the genus Galeocerdo. Mature sharks average 3.25 to 4.25 metre long and weigh 385 to 909 kilogram ....
, blue shark
Blue shark

The blue shark, Prionace glauca, is a carcharhinid shark which is found in the deep waters of the world's temperate and tropical oceans. They prefer cooler waters and are not found, for example, in the Yellow Sea or in the Red Sea....
, bull shark
Bull shark

The bull shark, Carcharhinus leucas, also known as the bull whaler, Zambezi shark or unofficially known as Zambi in Africa and Nicaragua shark in Nicaragua, is a shark common worldwide in warm, shallow waters along coasts and in rivers....
, and milk shark
Milk shark

The milk shark, Rhizoprionodon acutus, is a requiem shark of the family Carcharhinidae, found in the tropical waters of the Indo-Pacific and eastern Atlantic oceans between latitudes 35th parallel north and 30th parallel south, from the surface to 200 m....
. The name comes from the French word for shark, requin.

Family members have the usual carcharhiniform characteristics. The eyes are round, and the pectoral fins are completely behind the five gill
Gill

A gill is an anatomical structure found in many aquatic ecosystem organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide....
 slits.






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The requiem sharks refer to all members of the Carcharhinidae family that includes a family of migratory, live-bearing shark
Shark

Sharks are a type of fish with a full Cartilage skeleton and a highly Streamlines, streaklines and pathlinesd body. They respire with the use of five to seven gill slits....
s of warm seas, sometimes also found in brackish or fresh water, such as the tiger shark
Tiger shark

The Tiger Shark, Galeocerdo cuvier, the second largest predatory shark is the only member of the genus Galeocerdo. Mature sharks average 3.25 to 4.25 metre long and weigh 385 to 909 kilogram ....
, blue shark
Blue shark

The blue shark, Prionace glauca, is a carcharhinid shark which is found in the deep waters of the world's temperate and tropical oceans. They prefer cooler waters and are not found, for example, in the Yellow Sea or in the Red Sea....
, bull shark
Bull shark

The bull shark, Carcharhinus leucas, also known as the bull whaler, Zambezi shark or unofficially known as Zambi in Africa and Nicaragua shark in Nicaragua, is a shark common worldwide in warm, shallow waters along coasts and in rivers....
, and milk shark
Milk shark

The milk shark, Rhizoprionodon acutus, is a requiem shark of the family Carcharhinidae, found in the tropical waters of the Indo-Pacific and eastern Atlantic oceans between latitudes 35th parallel north and 30th parallel south, from the surface to 200 m....
. The name comes from the French word for shark, requin.

Family members have the usual carcharhiniform characteristics. The eyes are round, and the pectoral fins are completely behind the five gill
Gill

A gill is an anatomical structure found in many aquatic ecosystem organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide....
 slits. Most species are viviparous, the young being born fully developed. They vary widely in size, from as little as adult length in the Australian sharpnose shark
Australian sharpnose shark

The Australian sharpnose shark, Rhizoprionodon taylori, is a requiem shark of the family Carcharhinidae, found in the tropical waters of the western Pacific Ocean off Papua New Guinea and northern Australia between latitudes 8th parallel north and 28th parallel south, from the surface to 110 m....
, up to adult length in the tiger shark
Tiger shark

The Tiger Shark, Galeocerdo cuvier, the second largest predatory shark is the only member of the genus Galeocerdo. Mature sharks average 3.25 to 4.25 metre long and weigh 385 to 909 kilogram ....
.

Requiem sharks are responsible for a large proportion of attacks on humans
Shark attack

A shark attack is an attack on a human by a shark. Every year, a number of people are attacked by sharks, although death is quite unusual. Despite the relative rarity of shark attacks, the fear of sharks is a common phenomenon, having been fueled by the occasional instances of attacks, such as the Jersey Shore shark attacks of 1916, and by s...
. However; due to the difficulty in identifying individual species, there is a degree of inaccuracy in attack records.

Classification

There are 52 species of requiem shark, grouped into 12 genera:

Family Carcharhinidae
  • Subfamily Galeocerdinae
    • Genus Galeocerdo - Tiger shark (1 species)
  • Subfamily Scoliodontinae
    • Genus Scoliodon - Spadenose shark (1 species)
  • Subfamily Carcharhininae
    • Tribe Carcharhinini
      • Genus Carcharhinus
        Carcharhinus

        Carcharhinus is a genus of requiem sharks, the type genus of the family Carcharhinidae....
         - (14 species)
      • Genus Glyphis - River sharks (4 species)
      • Genus Lamiopsis - Broadfin shark (1 species)
      • Genus Nasolamia - Whitenose shark (1 species)
      • Genus Negaprion
        Negaprion

        Negaprion is a genus of requiem sharks, in the family Carcharhinidae....
         - Lemon sharks (2 species)
      • Genus Prionace - Blue shark (1 species)
    • Tribe Rhizoprionodontini
      • Genus Rhizoprionodon
        Rhizoprionodon

        Rhizoprionodon is a genus of requiem sharks, in the family Carcharhinidae....
         - Sharpnose sharks (7 species)
      • Genus Loxodon - Sliteye shark (1 species)
    • Tribe Isogomphodontini
      • Genus Isogomphodon - Daggernose shark (1 species)
    • Tribe Triaenodontini
      • Genus Triaenodon - Whitetip reef shark (1 species)


Taxonomic note

Carcharhinidae may be a Superfamily, divided into Galeocerdidae, Isogomphodontidae, Rhizoprionodontidae, Scoliodontidae, Scoliodontidae, Triaenodontidae, and Carcharhinidae.

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