Aquarium fishes - a complete encyclopedia beginner aquarist
Encyclopedia aquarist: My Pets - aquarium fishes- the Russian version is very easy to use, detailed and informative guide to the content of aquarium Amazing electronic encyclopedia containing detailed information…

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The influence of depth on the bite
Fishing and interesting adventures fishermen can talk endlessly. After all, this is probably the most interesting form of recreation and entertaining, quiet and peaceful work. To visit the countryside, enjoy…

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swim

Goldfish in the pond

Goldfish (lat. Carassius auratus auratus) subspecies of the freshwater fish of the genus carp. Her ancestor was domesticated by the man in the VII century ad, and is one of the most popular aquarium fish, presented to a group of breeds of domestic aquatic animals, obtained as a result of centuries of hybridization and directional selection individuals with certain accidental characteristics, resulting from mutations. One of the obsolete naming all home and pond “goldfish” was “gold carp”, derived from General scientific systematic names, Carp.

History

The history of breeding goldfish Asia has at least a Millennium and originated from children’s hobby to collecting in which the housing was offered and developed in cages, in pens, in wells, in tubs and barrels for all small and medium animals — as the first kind of Pets at home. Continue reading

Black sea (Pont Evxs)

The greatest length of the Black sea from North to South — 580 km and a maximum depth of 2210 m, the average — 1240 m. the salinity of the water is approximately 18 ppm. The depth increases pretty quickly. Over a sloping beach near Evpatoria, Feodosia. On the South coast, in mountain areas, the depth increases more rapidly: a few meters from the shore you have to swim (or, in the alternative, to swim along the shore). Be careful, even at a short distance from the shore can be strong currents to deal with which is not prepared person is quite difficult. But mostly this does not apply to places of mass bathing (if not to swim too far). Waters of the Black sea, as a rule, not susceptible to freezing. The average sea temperature in winter ranges from +6 to +8 degrees, in summer — from +22 to +24 degrees (can warm up to 26 degrees in a particularly hot summer). However, it is worth noting that the Black sea could throw a “surprise”: one day deep cold currents cool the coastal waters up to 12 degrees, even Continue reading

Mutually beneficial relationship of the deep sea

Like many animals living on land, the denizens of the deep need in each other. These bright yellow fish offer their services to many beings sharing their marine habitat.

Sea turtle, that serve fish-shiners or yellow zebrasoma. Photo: Doug Perrine

In the photos, made famous 59-year-old photographer-naturalist Arcs by Perrin (Doug Perrine) near the Hawaiian Islands, depicts a sea turtle, that serve these fish-shiners or yellow zebrasoma (Zebrasoma flavescens).

Sea turtles, like other inhabitants of the seas, you must regularly clean yourself from fungi, different organisms, harmful parasites or algae settling on them. However, they can’t do it yourself, so use the services of these bright yellow fish.

Fish-the cleaner can easily cope with this problem. For some fifteen minutes, it is fully possible to clean the tortoise shell. — Both parties benefit from such relationships, says the photographer, — One finds food, the other gets rid of the algae that had settled on her armour, and the armour makes it more streamlined. Continue reading

Catfish catfish clingy or clingy
In General, large catfish and Remora are most inclined to free life, often travel without assistance. Many small catfish live almost hopeless Remora, sucker, mouth in whales, sharks, manta rays,…

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The structure of the pharynx, the feeding of fish.
The structure of the pharynx is also closely linked to feeding habits of fish. As indicated, the number and structure of Gill rakers may be very different — from a…

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