The gardon (rutilus rutilus).
Synonym (S) or Name (S) common (S): Gardon, russet-red.
Maximum size: The intermediate size of the gardon ranges between 10 and 15 cm but the largest subjects can reach a size of 40 cm for a weight close to 1 kg.
Origin: The gardon originating in Europe is the fish more fresh water répendu. One finds it in all Western and central Europe to the Occidental Asia.
Zone of life: The gardon is primarily present in the stagnant zones like in the moderate currents. One thus meets it in all the aquatic environments such as the ponds, lakes, rivers and channels. It is located mainly at the bottom where it finds its food and lives in bench near the edges safe in winter when they gathers all in the major zones.
Temperature: of 5° with 25 °C, the gardon is acclimatized easily to the majority of the mediums.
Description: The gardon has a body flattened with a back curvature. With color silver plated gray, its body is covered with small smooth scales and its belly is white. it has a tail lengthened and its fins pelvic and anal are orange. the gardon has a narrow mouth provided with some teeth pharyngiennes and its eyes black are surrounded by a red iris.
Nutrition: The gardon is nourished primarily on the bottom and sometimes between 2 water of small insects, molluscs, towards or snails which it breaks thanks to its small teeth. In winter, these animals being less present, the gardon becomes rather vegetarian and is nourished of foam and the algae present in water.
Anatomy: body flattened with a back curvature. this fish of silver plated color is covered with small smooth scales. the fins are orange and the caudal one (tail) lengthened.
Behavior: gregarious and very peaceful fish which lives in bench very many near banks to protect itself and to nourish itself. The largest individuals keep away a little.
Dimorphism: no dimorphism apart from the period of reproduction, on the other hand, during the abrasion, the males present many small white points on all the body called “buttons of weddings”.
Reproduction: The reproduction of the gardon proceeds between April and July when the temperature of water is higher than 12°C. The females deposit then sometimes more than 100000 eggs which it sticks to the vegetation present on the edges. These eggs have a diameter of approximately 1mm and their duration of incubation is of approximately 2 weeks. the larvae, once the reabsorbed vitelline bag, nourish zooplancton and of phytoplankton.one needs 2 to 3 years with a gardon to reach sexual maturity.
The Council for the fisherman: the gardon is the fish more used for fishing of pike because it constitutes the principal food of this fish.
Various: it is frequent in the water levels to catch keep cross with rotangles, brêmes or bleaks because these espècs hybrident themselves very easily.
Information: the cards of fish can be to supplement by an experiment of the subject, or a comment concerning a lack of information on this card.