Pollution and overhunting in İstanbul and Çanakkale straits and the Marmara Sea threaten the existence of dolphin and whale species.
The number of dolphins and whales in this basin was not known until three years ago as clearly as today.
Arda Tonay, an academician at İstanbul University and also the Vice President of the Turkish Sea Research Foundation (TÜDAV) reported on their current populations in this basin, and the risks they face.
Tonay explains that scientifically they distinguish whales and dolphins as toothed and non-toothed and that they named all “cetaceans.”
Orcas, also known as killer whales, are one of the most fascinating marine mammals on our planet. As apex predators, they play a vital ecological role in regulating prey populations and maintaining balance in ocean ecosystems. But while orcas can be found in all corners of the world, sightings in certain regions remain rare. One such place is the seas surrounding Turkey.
A Look at Turkey’s Marine Life
Turkey is blessed with over 8,000 km of coastline and a diverse marine environment. The country’s seas are home to whales, dolphins, sea turtles, sharks, and an abundance of fish species. The major bodies of water bordering Turkey include:
- The Aegean Sea
- The Mediterranean Sea
- The Sea of Marmara
- The Black Sea
The rich biodiversity of Turkey’s waters provides prime habitat for marine mammals. While dolphins are frequently observed, sightings of larger cetaceans like orcas are uncommon.
Rare Orca Sightings
Orcas are rarely seen in Turkish seas, though a small population is known to inhabit the Mediterranean. Over the years, there have been a handful of confirmed orca sightings:
- In 2009, a pod of 7 orcas was spotted off the coast of Çanakkale.
- In 2011, orcas were filmed swimming in the Aegean Sea near the island of Bozcaada.
- A few sightings have occurred in the Sea of Marmara.
- In the Black Sea, an orca pod was observed near Sinop in 2014.
Though orcas are not permanent residents, these sightings confirm they occasionally visit Turkish waters, likely in search of prey Their presence also demonstrates the migratory nature of orcas
Factors Making Sightings Rare
So why are orcas so elusive in Turkey? There are several contributing factors:
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Small Population Size – Estimates suggest there are only a few hundred orcas in the entire Mediterranean Sea. Such a low population density reduces sighting frequency.
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Migration Patterns – Turkey’s seas are not part of the regular migration route for most orca populations, Groups only sporadically venture into the region
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Prey Availability – Lack of preferred prey like seals, sea lions, and large fish may discourage orcas from establishing permanent residence.
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Threats and Disruptions – Pollution, habitat degradation, prey depletion and boating disturbances may make Turkey’s waters less hospitable.
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Deep Waters – Much of Turkey’s coastline quickly drops off into deep basins not typically frequented by coastal orcas.
Protecting Rarity
The scarcity of orcas in Turkish waters highlights the need to protect these special visitors. Further research, population monitoring, and minimizing human impacts will be key. While sightings may remain limited, preserving the health of Turkey’s marine ecosystems will at least give orcas the chance to thrive whenever they arrive.
With a proactive approach, the magic of spying an orca dorsal fin slicing through the waves may become a less rare occurrence in Turkey. On the other hand, the elusive nature of orcas contributes to their mystique. Either way, catching a glimpse of an orca patrolling the Turkish coast would be a moment to remember.
Eleven species in Turkey
There are a total of eight cetacea species in Turkey, the fin whale, the cachalot whale, the bottlenose whale, the grampus, the bottlehead, the striped dolphin, the common dolphin, and the puffing pig, Tonay said.
“Three additional cetacea species visiting the Turkish seas have been recorded so far in addition to these, the minke whale, the false killer whale, and the humpback dolphin. So we can talk about the existence of 11 species in the seas of Turkey,” Tonay added, speaking to Anadolu Agency.
Photo: AA
Tonay explained to the agency that they have counted the number of whales and dolphins in the Mediterranean in 2018, and in the Black Sea in 2019 with eight planes, six ships and 100 scientists from 26 countries in the scope of the Agreement on the Conservation of Cetaceans of the Black Sea, Mediterranean Sea and contiguous Atlantic area (ACCOBAMS) Survey Initiative (ASI). He added that the developments are good for very few of them, and they could not give good news for most of them.
Orca, Orc, Whale killer in Turkey, Alanya. Orki w Morzu Śródziemnym.
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