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10 Best Places for Whale Sharks

Whale sharks gather to gorge on plankton and fish eggs. Sometimes they are groups of young males, others are more mixed. The largest known gathering is off the Yucatan in Mexico with nearly 1,000 whale sharks converge. Other involve barely a dozen gathering to feed on the surface. There are reports that some aggregations include pregnant females, but to date no mating has been observed - the presence of the pregnant females would suggest breeding grounds may well be near some hotspots. Scientists know little about the largest fish in our oceans and the full function of these aggregations are a mystery. Here is our Big 10 - if you know of other whale shark hotspots just add to the list…

 

1) Ningaloo, Western Australia

This is the granddaddy of whale shark hot spots with divers and snorkelers revelling in close encounters since the 1980s. A recent study by the Australian Institute of Marine Science-University of WA said nearly 20,000 tourists a year participate and the business generates more than AUS$6 million a year (£3.8m). The peak time is around May.

 


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2) THE GULF of TADJOURA, Djibouti

DJB whale sharks felipe barrio

This aggregation attracts young male fish - some around 2.5m in length and scientists guess that they could be as young as six months to one year. A newborn whale shark is about 60cm - but there is little reliable data about growth rates. The mean size for the fish off Djibouti is 3.7m  - clearly a whale shark primary school! The peak time for the gathering is January.


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 3) AL-LITH, SAUDI ARABIA, RED SEA

 whale sharks Simon Thorrold Woods Hole

Recently discovered by researchers from the Woods Hole Oceanographic Institution and from the King Abdullah University in Saudi Arabia this aggregation on an isolated reef consists of hundreds of young whales sharks  - unusually it is a 50/50 mix of males and females.


4) Gladden Spit, Belize

For 10 days after the full moon during the months of March, April, May and June thousands of snappers spawn around Gladden Spit in Belize and whale sharks gorge on the feast of fish eggs in clear blue water.


5) ISLA MUJERES, Quintana Roo, Mexico

Afuera.mexico

By number of animals, this is the largest and most important known aggregation area for whale sharks anywhere in the world. At least two aggregation sites are present in this region: the green water site north of Cabo Catoche and the blue water Afuera location. As many as 1,000 whale sharks gather in the area from May to September each year.


6) Al Shaleen oil field, Qatar

Whale-Sharks-of-Qatar

Research student  David Robinson from Heriot-Watt University in the UK discovered this major aggregation within the Al Shaheen oil field, 90 km off the coast of Qatar in the Arabian Gulf. In the summer months, more than one hundred and fifty whale sharks have been recorded feeding in the warm surface waters of the Arabian Gulf. Although the sharks have been observed by local fishermen and offshore platform workers for years, the magnitude of the aggregation has only just recently been realised. It is particularly unexpected because the sea surface temperatures can reach up to 34 degrees Celsius in the summer, above what was believed to be the comfort zone of whale sharks.


7) St Helena, SOUTH ATLANTIC

whale shark pair

A pair of adult whale sharks (Rhincodon typus) off the Turk's Cap, St Helena (Photo: Paul Tyson/paultysonphotography.com)

This isolated island in middle of the Atlantic is proving to be one of the most important whale shark aggregations discovered by science as it is the only know one where mater males and females are found together suggesting it may be a mating area.


8) Ari Atoll, Maldives

whaleshark ari maldives shutterstock 68915134

A regular star attraction on liveaboard trips in Ari Atoll in the Maldives is the gathering of whale sharks each summer. Mainly young males.


9) The Galápagos Islands

The overwhelming majority of sightings for the whale sharks gathering off Darwin island in the northern parameters of the Galapagos Marine Reserve are for pregnant females. Tagging projects reveal that the females then head further out into the Pacific off the continental shelf.


10) DONSOL, LUZON, the Philippines 

whaleshark philippines shutterstock 128010692

A popular spot to find whale sharks feeding around March and April - now only snorkelers are allowed in the bay.


 

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