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Mediterranean Stony Corals (Phyllangia americana mouchezii) – Mert Gökalp (2018)

May 6, 2020 at 9:56 pm / Natural history, Short Observations, Video

When we talk about corals we always conjure up the iconic image of highly fragile tropical reef-building symbiotic organisms in crystal clear shallow waters. The stony corals living in cold waters are striking in this matter. They show that this symbiotic relationship between the two evolutionarily distant partner organisms can break down (coral bleaching) or never evolve when conditions are less than optimal. The Mediterranean is a rather nutrient poor sea with low productivity. Lacking a photosynthetic partner stony corals […]

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Gray Triggerfish Nesting Behavior – Mert Gökalp | AQUADIARIES (2018)

July 31, 2018 at 6:05 am / Natural history, Short Observations

The evolutionary origins of nest building behavior in vertebrates are deep rooted and go all the way back to the fish. The behavior can be very complex with stunning results such as that of the Japanese puffer fish. Here in this short observation an underwater cameraman and filmmaker Mert Gökalp captures a few distinct scenes from the Gray Triggerfish nesting behavior in the Eastern Mediterranean town of Kaş. This fish colonized the Mediterranean through the Gibraltar and reached the farthest […]

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Bluefish – Prince of The Bosphorus

September 23, 2019 at 2:10 pm / Natural history, Video, Wildlife Documentaries

You can now watch the documentary with English subtitles by entering the following code “yavrubalıkyemeyizbiz”. LÜFER (Bluefish) is a glitter in people’s eyes, big time money for the small & big fisherman. When the seasonal migration starts lüfer fishing becomes an addictive daily routine for the retired, unemployed and off time employer/hobbyists across Bosporus. If you have a chance to travel around Istanbul’s coastline on a day in October, you can count close to ten thousand active fishing rods, day […]

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Sponge Bob or Sponge “Poop”

April 14, 2013 at 10:07 am / Ecological Documentaries, Natural history, Video, Wildlife Documentaries

It is ironic that biologically diverse habitats are usually rather poor in nutrients. Coral reefs are one of them. Crystal clear waters of the tropical seas is a “clear” indication of nutrient poor environment. Because nutrients in the water column are scarce microscopic plants and animals (planktons) that form the basis of food webs cannot maintain high numbers and the water column remains clear. Dissolved organic carbon is a nutrient that is inedible for most organisms living in a reef. […]

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