Fish of the Black sea
The fish fauna of the Black sea is peculiar. The class of fishes that includes about 20 000 species, is divided into two sharply distinct branches — the cartilaginous and…

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Sea hare: fish from the Pacific ocean
Description fish-rabbit Sea hares are most common in the Western Pacific, the Mediterranean and the tropical waters of the Indian ocean. They have a medium size and oval body, flattened…

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Leafy sea dragon
At first glance it's hard to imagine that this is not a plant, but a real fish. An amazing feature of this animal is almost transparent tentacles, which are very…

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Nitrogen metabolism in the aquarium
Nitrogen metabolism in the aquarium: (1) Forage (2) NH 3 . (3) NO 2 . (4) NO 3 . (5) H 2 O. (6) Lighting, (7) Fertilizer (8) O 2…

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MARBLED ELECTRIC ray (Torpedo marmorata)
MARBLED ELECTRIC ray (Torpedo marmorata), or marble torpedo is the best known representative of a numerous family glusovich. In length this fish rarely reaches 1.5 meters, the width grows more…

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