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Title: Isurus  
Author: World Heritage Encyclopedia
Language: English
Subject: Shark, Cook Strait, Lamniformes, Megalodon, Mako, Shortfin mako shark, Yellowfin tuna, London Clay, List of sharks, Lamnidae
Publisher: World Heritage Encyclopedia


"Mako shark" redirects here. For other uses, see Mako shark (disambiguation).

Temporal range: 56–0Ma[1]
Thanetian to Present
Shortfin mako shark (I. oxyrinchus)
Longfin mako shark (I. paucus)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Lamniformes
Family: Lamnidae
Genus: Isurus
Rafinesque, 1810
Type species
Isurus oxyrinchus
Rafinesque, 1810
  • Isuropsis Gill, 1862
  • Lamiostoma Glikman, 1964
  • Oxyrhina Agassiz, 1838
  • Oxyrrhina Bonaparte, 1846
  • Plectrostoma Gistel, 1848

Isurus is a genus of mackerel sharks in the family Lamnidae, commonly known as the mako sharks. There are two living species, the common shortfin mako shark (Isurus oxyrinchus) and the rare longfin mako shark (Isurus paucus), and several extinct species known from fossils. They range in length from 2.5 to 4.5 metres (9 to 15 feet), and have an approximate maximum weight of 800 kg (1,750 lb). The family Lamnidae also includes sharks such as the great white shark and porbeagle. The mako shark is capable of swimming at speeds of up to 60 km/h, and jumping up to 7 metres (24 ft) in the air.


The genus contains two living species:

Fossil species include I. hastalis, I. retroflexus, I. desori, I. escheri, and I. planus.[2][3]

See also

  • List of prehistoric cartilaginous fish


  • Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8
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