Brief description: Compact and at the same time volumetric Atlas-guide includes information on more than 1000 species and varieties of freshwater fish that can be seen in aquariums around the world. Among them are well-known to aquarists types and new, the content of which has been mastered only recently.
The book contains descriptions of each collection, readers will gain General information about the historic homeland of the fishes of this group, their natural habitats and the modern habitat. In addition to the basic characteristics of the family described coloration and its changes with age; provides data about the volume of the aquarium, the conditions and requirements for water filtration; described diet, particularly reproductive behavior, as well as some interesting facts about the life of fish under natural conditions.
Very fully described such families as cyprinids, cichlids, labyrinth and many others. Aquarium catfish are represented by several families. In the book, a detailed account of discus, guppies, gold fish and koi are the types that have many varieties,differing in size, coloring, body shape and fins. Continue reading
Aeromonosis (German measles) is a disease that causes hemorrhagic inflammation of the skin, accompanied by ulceration, and visceral and abdominal dropsy.
Pathogen — Aeromonas punctate. This movable rod with a polar flagellum, is a facultative aerobe. Spores and capsules do not form it.
Ehpizootologicheskaja data. Sick aeromonosis carp, carp, silver and Golden crucian carp, tench, bream, roach, especially under the age of 2 years.
The disease is widely distributed in fish farms European countries, the USA, and also in the CIS and the Russian Federation. It usually occurs in the spring and summer (may—June). Fish kills there may be up to 25-90%.
The source of the pathogen are sick individuals, individuals-microporosity. Continue reading
Monkfish, monkfish or European (lat. Lophius piscatorius) is a predatory fish squad udenstvertne. The name “monkfish” this was due to a very unattractive appearance.
The fish is edible. The meat is white, dense and boneless. Especially popular are “monkfish” in France.
Body length up to 2 meters, often 1-1. 5 meters. Weight — up to 20 kilograms or more. The anglerfish’s body naked, covered with numerous leathery outgrowths and osseous tubercles. On both sides of the head, on the edge of the jaw and lips fringed hanging shreds of skin, wiggling in the water, like algae, making it barely visible on the ground.
Body flattened, compressed in dorso-ventral direction. Head flat, broad, flattened on top, with approximately two-thirds of the length of the whole body. Continue reading