Rotan - Perciformes kifi tawagar. Jikinsa bai wuce 25 cm a tsawon. An samu rotan a cikin kõguna na Primorye da Amur tasa, amma a 'yan shekarun da suka gabata da suka wuce da aka rubuta a cikin jikuna da dama na ruwa, inda a cikin wani gajeren lokaci zama babban occupant.
Rotan - kifi ne kananan, shi ne sau da yawa ake kira, makãmashi. A launi ta duhu ruwan kasa zuwa kusan baki. A ciki kuma sãshinansu da bãyayyakinsu ne a fili rarrabe ruwan kasa aibobi. rotan ƙunshi biyu raba dorsal fins. A kusa dangi na wannan nau'in - kudancin sa. Bakinka rotan manyan, shi ne directed zuwa sama, ƙananan muƙamuƙi dan kadan protruding markedly gaba. Pelvic fins raba. A lokacin spawning, maza ne kusan baki. Zai yiwu shi ne domin wannan dalilin, watakila, domin a kananan motsi kira rotan, makãmashi.
Wannan kifi fi son zama a cikin flooded bushes, kananan snags, a cikin shallows. Yana ciyarwa, yafi a kan dabba abinci. Rotan - kifi da cewa mafi fi son spawn soya, don haka yana da matukar sauri domin rage yawan wasu nau'in a cikin lake. Sau da yawa sosai, inda irin wannan settles a shekara ko biyu sauran kifi ba ya zauna. Propagated rotan kawai a lokacin rani, da mãtan sa su qwai a kan underside da ganyen ruwa shuke-shuke. Mafi sau da yawa spawning daukan wuri a cikin daji pondweed, ruwa furannin bi-rana da kuma kwai capsules. Yawan qwai a daya irin wannan masonry game da dubu 10. Guda. Rotan - kifi ne sosai Hardy. Yana iya ma tsira inda wasu jinsunan, ciki har da irin kifi da kuma tench, aka kashe.
Don kwanan wata, rotan ne wani mazauni na kusan duk Rasha ruwa tare da togiya daga cikin Crimean sashin. Amma watakila ya sananne bayyanar a wadannan wurare. An lura da cewa a cikin wadanda kududdufai inda aiki ne perch kuma Pike, Rotan ba zai iya dauka da gubar. Wadannan jinsuna ba ya yale shi ya ci tafi yawa hayayyafa da kuma zaman lafiya kifi spawn. Amma a cikin tafkunan da tabkuna, sanaki wani irin kifi, a kamfanin sosai da sauri zuwa ga koyi da zama maigida na halin da ake ciki. Mafi sau da yawa, wannan voracious kifi ne tafin kafa occupant na kananan kududdufai da sosai matsananci rai yanayi. Wannan m aiki, laka ya rufe jikin, overgrown tafkunan. Rotan ne iya mafi alhẽri daga irin kifi ƙaura m rashin oxygen da kuma cikakken daskarewa kandami a hunturu.
Rotan - kifi, kifi wanda zai iya kawo mai yawa fun. The most samfurori ana sa a karkashin cover Duckweed ko ruwa furannin karkashin m ganye. Irin wannan hali ne na sosai sabon abu ga bijimai. Tare da karfi eutrophication sun nemi clearings ko taga tsakanin ruwa da ciyayi. Irin wuraren za a iya sanya artificially, ko da ta saba shelves. Roth bã Ya jin kunya. Don a wurin free ciyayi, suka pop-up sosai da sauri, suna ba rikita batun da gaban mutum. Na lura da wani ban sha'awa alama. Rotan sosai m ja da fari bobber. A dalilai domin wannan ba sarari. Amma masunta lura cewa, ya ja hankalin masu brisk kifi.
Ga wani ban sha'awa kifi rotan. Hotuna za a iya gani a cikin wannan labarin. Wannan kifi yana da wani hali da kuma ba dã muminai shahara tsakanin masu sana'a masunta ne.