Isurus
| Isurus Temporal range:  | |
|---|---|
| Shortfin mako shark (I. oxyrinchus) | |
| Longfin mako shark (I. paucus) | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Chondrichthyes | 
| Subclass: | Elasmobranchii | 
| Division: | Selachii | 
| Order: | Lamniformes | 
| Family: | Lamnidae | 
| Genus: | Isurus Rafinesque, 1810 | 
| Type species | |
| Isurus oxyrinchus Rafinesque, 1810 | |
| Synonyms | |
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Isurus (meaning "equal tail") is a genus of mackerel sharks in the family Lamnidae, commonly known as the mako sharks. They are largely pelagic, and are fast, predatory fish capable of swimming at speeds of up to 50 km/h (31 mph).