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.
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
Many aquarists aquarium catfish love for these small fish belonging to the order of catfishes of ray-finned class, not only pleasing to the eye with their cute whiskered faces, brightness and variety of colors, but these are cleaners, nurses aquariums, cleaning aquarium from the rest of the feed and its walls – from the slime, algae and other fouling.
To describe in one article all
this wonderful fish is impossible: collective term “soma” refers to over 3000 species from 36 families, of which more than 800 kept in aquariums across the world. So in this article we will cover the most common ones.
The most popular, classic type of aquarium catfish is mottled corydoras (Corydoras paleatus), which belongs to the family of armored catfishes. As this and other tetras hiding peace loving, unpretentious, active and not grow to a large size. Feed these amazing fish food left over from other fish, and live well with other species. Continue reading
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