Carcharhinus galapagensis

Galapagos Shark

Jusqu'à 3.0–3.7 mètres
Au moins 24 ans
Préoccupation mineure
À propos

Galapagos Shark

The Galapagos shark is a large, powerful requiem shark found circumtropically around oceanic islands. First described from specimens collected at the Galápagos Islands in 1905, this impressive predator is often the most abundant shark species in shallow island waters. It can be difficult to distinguish from the dusky shark, but has a taller first dorsal fin and larger teeth. Galapagos sharks are highly inquisitive and bold, frequently approaching divers closely — making them a thrilling encounter at remote dive destinations like Cocos Island and the Galápagos archipelago.

Taille

Jusqu'à 3.0–3.7 mètres (10–12 pieds)

Poids

Jusqu'à 195 kg (430 livres)

Durée de vie

Au moins 24 ans

Statut

Préoccupation mineure

Où les trouver

Meilleurs sites de plongée

Île Cocos, Costa RicaÎles Galápagos, ÉquateurHawaïÎle Malpelo, ColombieBermudesLord Howe Island, Australie

Conseils de plongée

Galapagos sharks are bold and curious — maintain eye contact and stay calm. They perform a distinctive threat display when agitated: arching the back, lowering pectoral fins, and swimming in an exaggerated rolling motion. If you see this behaviour, slowly back away. At Cocos Island, look for them around Dirty Rock and Punta Maria cleaning stations, often in the company of hammerheads and whitetip reef sharks.

Meilleure saison

Year-round at Cocos Island, peak shark activity June to November

Habitat

Tropical oceanic islands over continental and insular shelves, preferring rugged reef habitats with clear water and strong currents. Found from the surface down to 180 metres depth.

Régime alimentaire

Bottom-dwelling bony fish (eels, sea bass, flatfish, triggerfish), octopus, squid, rays, and smaller sharks. Larger individuals also prey on sea lions, fur seals, and marine iguanas.
Le saviez-vous ?

Faits amusants

1

They perform a dramatic threat display — arching their back and swimming in a twisted, rolling motion when feeling cornered

2

At the Galápagos Islands they have been observed attacking marine iguanas and sea lions

3

Juveniles stay in shallow nursery areas to avoid cannibalism from larger adults

4

They are dominant over blacktip sharks but deferent to silvertip sharks of equal size

5

Snodgrass and Heller reported 'several hundred' adults caught and 'thousands' more visible in the water during their 1905 expedition

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