Its silhouette is massive and powerful. It tends to frequent the outer slopes, passes and areas surrounding coral reefs, and sometimes lagoons.
Its schools can number several hundred individual sharks by day, although grey reef sharks tend to scatter at night to hunt.
They feed primarily on reef fish but also on cephalopods and crustaceans (spiny lobsters and crabs).
Grey reef sharks must always be in motion so that water passes through their gills allowing them to take in the oxygen required for their metabolism. In areas with strong currents, a gentle swim allows them to 'oxygenate' without too much effort.
After mating, the viviparous (live-bearing) females give birth to one to six offspring (about 50 cm long) after a 12 month period of gestation.
This species is vulnerable due to its low reproductive capacity and was added to the UICN's Red List in 2000.
When it feels in danger, it swims with a posture of intimidation that is typical of its species: arched back, pectoral fins down and teeth bared, advancing in jerky movements. This behaviour is often a precursor to an attack. »
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