Hunters sand shark sometimes instead off the hook gray, or, as it is called by the Americans, brown shark (Carcharhinus milberti), which is larger in size than sand. Grey sharks occur in the Atlantic coast of America, they are found also in the Pacific and in the Mediterranean sea. Many fishermen and divers of the East coast lightly to the grey shark, considering that they are harmless. However, the tragic incident that took place off the coast of Cuba in 1932, tells a different story. In January of that year a fisherman caught a gray shark with a length of 3.7 metres, found it in the belly of a human arm, a piece of blue mantle tissue and a few equally unappetizing items, pointing to the fact that the shark recently feasted on human flesh. The identity of the victim could not be determined, but it is possible that this shark was involved in the incident with the family of Atkinson that happened a few days before her capture.
Edwind F. Atkins, a wealthy planter, departed that day from Key West to Havana aboard a twin-engine seaplane “Columbus”. Continue reading
Your acquaintance with the underwater world and the sea in Anapa you can start on one of the beaches of Anapa, but without special masks for scuba diving will make it not possible so to start you should obsolesces these simple implements for diving mask snorkel and fins. If familiarity with underwater creatures to start with the sandy beach of Anapa, under water you can see is sand crabs, gobies of different species, sea cats or whatever they are called — rays, a variety of small flounders, or losika, but if you want to see the Black sea of sharks, you, they obviously will not meet — black sea shark Katran small size up to 2 meters in length and a maximum of people, as the food is clearly not interested, chasing flocks of small black fish type anchovy moved in depth following the flock. Continue reading
Catfish belong to the genus of fish of the family of Armored catfishes. Mainly representatives of the genus catfish are small – from 3 to 8 cm in length. Their body is covered with Horny scales. On the dorsal and pectoral fins they are sharp thorns. You need to be extremely careful when you have to take catfish in his hands, because the thorns can hurt. And the wound can easily get various infections.
Representatives of this kind of a great multitude. These include: aquarium fish suckers catfish, aquarium fish, the speckled catfish, aquarium fish catfish-shifters, aquarium fish catfish ancistrus and others.
Aquarium fish catfish sexual dimorphism are practically the same. Most often the females are slightly bigger than males. They’re easy enough to distinguish, when viewed from above – male looks slimmer, and the females abdomen is somewhat fuller and more convex. Dorsal fin the males have a pointed shape. Continue reading