Aliwal Shoal

Aliwal Shoal

South Africa · Indian Ocean
OVERVIEW

Why dive in Aliwal Shoal?

Aliwal Shoal is a world-renowned fossilized sandstone reef off the coast of KwaZulu-Natal, South Africa, celebrated for its exceptional biodiversity and dramatic underwater topography. As a Marine Protected Area, it's famous for its seasonal aggregations of ragged-tooth sharks (sand tigers), year-round blacktip sharks, and seasonal encounters with tiger and bull sharks, alongside vibrant reef life and two historical shipwrecks. Diving here offers thrilling experiences, from calm reef explorations to dynamic shark encounters, often involving exhilarating surf launches.

WATER TEMPERATURE -
VISIBILITY -
CURRENT STRENGTHModerate  –  Strong

BEST SEASON

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LOCAL MARINE LIFE IN ALIWAL SHOAL

Featured Animals 9

SIGHTING PROBABILITY
  • Unlikely
  • Likely
  • Very likely
Blacktip SharkFrequent sightings

Blacktip Shark

Carcharhinus limbatus

The Blacktip Shark is easily recognized by the dark tips on its fins. It is a fast and energetic predator, often seen leaping out of the water. Blacktip sharks can be found in warm coastal waters around the world.


BEST SEASON
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Bull SharkFrequent sightings

Bull Shark

Carcharhinus leucas

The bull shark is a robust coastal shark known for its ability to tolerate freshwater, frequently entering rivers and estuaries. It is an opportunistic predator feeding on fish, rays, crustaceans, and other marine animals in tropical and subtropical regions.


BEST SEASON
Jan
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Giant Oceanic Manta RayFrequent sightings

Giant Oceanic Manta Ray

Mobula birostris

The Giant Oceanic Manta Ray is the world's largest ray, with a disc width that can reach up to 9 meters. It is a circumglobal species found in tropical to temperate pelagic waters, often near coastlines, reefs, and in the open ocean, diving to depths of 1,000 meters. These filter feeders primarily consume zooplankton, including mesopelagic sources, and can also eat small fish. While generally solitary, they aggregate at feeding grounds and cleaning stations. The species is currently listed as Endangered due to overfishing and low reproductive rates.


BEST SEASON
Jan
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Humpback WhaleFrequent sightings

Humpback Whale

Megaptera novaeangliae

The Humpback Whale (Megaptera novaeangliae) is a large baleen whale known for its distinctive body shape, long pectoral fins (up to one-third of its body length), and knobbly head. These migratory cetaceans are filter feeders, consuming krill and small schooling fish. They are also famous for their acrobatic surface behaviors like breaching and complex vocalizations, particularly the male's elaborate songs.


BEST SEASON
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Reef Manta RayFrequent sightings

Reef Manta Ray

Mobula alfredi

The Reef Manta Ray (Mobula alfredi) is a large filter-feeding ray found in tropical and subtropical waters, primarily around coral reefs and coastal areas. Known for its pelagic lifestyle, it feeds on zooplankton and exhibits complex social behaviors, often forming aggregations at feeding or cleaning stations. This species is listed as Vulnerable due to threats from overfishing and its slow reproductive rate.


BEST SEASON
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Sand Tiger SharkFrequent sightings

Sand Tiger Shark

Carcharias taurus

The Sand Tiger Shark is known for its fierce appearance with a bulky body and sharp, protruding teeth. Despite its menacing look, it is relatively sluggish and not aggressive unless provoked.


BEST SEASON
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Scalloped Hammerhead SharkFrequent sightings

Scalloped Hammerhead Shark

Sphyrna lewini

The Scalloped Hammerhead Shark is a large, migratory shark easily recognized by the central indentation on its hammer-shaped head. These sharks are found globally in warm temperate and tropical coastal and oceanic waters, often forming large schools around seamounts and islands. They are primarily nocturnal foragers, feeding on a diverse diet of bony fishes, cephalopods, crustaceans, and smaller sharks and rays.


BEST SEASON
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Tiger SharkFrequent sightings

Tiger Shark

Galeocerdo cuvier

The tiger shark is a large apex predator recognized by the dark vertical stripes along its body, especially visible in juveniles. It inhabits tropical and subtropical waters and has a highly varied diet, feeding on fish, rays, turtles, seabirds, and other marine animals.


BEST SEASON
Jan
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Whale SharkFrequent sightings

Whale Shark

Rhincodon typus

The whale shark is the largest fish in the world and a gentle filter feeder.


BEST SEASON
Jan
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Nov
ALSO IN Aliwal Shoal

More marine life 54

LOCATION

Where is Aliwal Shoal

Indian Ocean · South Africa