Catfish lane (lat. Corydoras arcuatus) is one of the most common types of aquarium fish. Has a calm disposition and a very good capacity for acclimatization. In natural conditions it lives in fresh waters of South America, particularly in Brazil, Peru and Ecuador. The two-lane catfish occurs in the upper Amazon and its tributaries. The water is clean with temperatures ranging from +22 to +26 C. it Prefers shallow areas with sandy or fine gravel bottom. Was opened in 1939 and at first it was called the armoured catfish due to the fact that on his body there are two rows of large scales –modified bone plates. They protect it from predators.
Most of the catfish spends time in search of food . which collects in the lower layers of the reservoir at the bottom. Fish touches the bottom of his elongated snout with sensitive whiskers. Catfish them touches the ground, catching invertebrates living there. Continue reading
Underwater world conceals many mysteries, and the moon mankind has learned better than the bottom of the oceans. Blue in the water column live amazing marine life. The biggest, strongest and most poisonous animals live under the water and not on land.
Russian photographer Alexander Semenov spent hundreds of hours filming and documenting the lives of monsters from the depths of the oceans. Sea butterflies, marine worms, sea angels and many other inhabitants of the underwater world in today’s report.
He is a graduate of the Department of Zoology of the Moscow state University named after M. V. Lomonosov and underwater photographer.
Angelfish in the White sea, Russia. Sea angels is a type of gastropod shellfish. Predatory organisms that specialize in feeding “the sea devils”:
The lion’s hairy mane or Cyanea — the largest of all known species of jellyfish:
Marine worm off the northeast coast of Queensland, Australia. Continue reading
The Barracuda is very similar to the pike, however, a large Barracuda (Sphyraenidae) and is called a sea pike for her appearance and hunting habits. It is the same long, agile and voracious freshwater predator. Its a bird elongated snout armed with powerful teeth, and front – clico prominent.
These fearsome marine predators are kept in small flocks. Dark back and light belly helps them to blend well even without shelter. Waiting for prey, they often hang at the edge of the coral reef. Hiding, almost not moving, only slightly moving his caudal and ventral fins. Approached the flock of fish barracudas will attack with lightning speed. Each predator chooses only one victim, not paying attention to the others. You can often watch from the water after the fish jump out of the sea pike. After a quick meal of Barracuda once again take a wait.
Barracudas belong to the order of kefalovrisia. Can reach lengths up to 3 m, but usually their size does not exceed 1 m Rod one – barracudas (Sphyraena). There are about 20 species in tropical and subtropical waters of the World ocean. In the Russian seas meet representatives of the two species. Continue reading