leopard moray eel in sealife aquarium istanbul city turkey

blue underwater person fish reef aquarium face tourist enjoying marine life tunnel sea istanbul city turkey sealife public aquariums attraction centre research conservation animal aqua aquatic background basin beauty biology catfish closeup environment exotic exploration explore fishing fresh freshwater iridescent shark light nature ocean river scene scenery senior swim tourism travel tropical world turkuazoo tiger swimming europe giant large species family pangasiidae native potamotrygon tigrina stingray ray potamotrygonidae quiet beautiful pots moray leopard eel tessellate honeycomb muraenidae head