RAPAPORT... Alrosa's knack for recovering unusually shaped diamonds hasscaled new heights with the discovery of a rough stone resembling a fish. "In the photo, you see a very rare specimen: a rough-diamondcrystal which pretends to be a fish," the Russian miner wrote in an Instagrampost Wednesday announcing the find. As with its other similar hauls, Alrosa hooked the catch toa marketing goal, using the occasion to emphasize the care it takes to preservesea life around its mines. Alrosa ecologists release "hundreds of thousands" offish into rivers in Yakutia and its other mining regions every year, thecompany explained in the post. In October, it plans to introduce "valuable"broad whitefish into Siberian waters. Last summer, the company unveiled a rough diamond resembling a soccerball in the middle of the World Cup taking place in Russia, for which it was asponsor. The company also found a stone that looked like a skull in time forHalloween, and stumbled upon a heart-shaped piece a few weeks before Valentine'sDay this year. Image: The diamond-shaped fish. (Alrosa/Instagram)