Vodokras datya

Frog watercress, zita resainzi Hydrocharis morsus-ranae. Chimiro chacho chinowanikwa kuEurope uye zvikamu zveAsia. Inokura mumvura isingayereri, yakadai semadziva nemachakwi, uyewo mumvura ine nzizi dzakadzikama. Yakaunzwa kuNorth America muma1930s. Sezvo yakakurumidza kupararira nepakati pemvura yekondinendi, yakatanga kutyisidzira kusiyana-siyana kwezvipenyu zveko. Inoshandiswa zvakanyanya mumadziva, asi haina kunyanya kuwanda mu aquaristics, kunyanya mu biotope aquariums.

Kunze kufanana nemaruva maduku emvura. Mashizha emashizha ane oval muchimiro, anenge 6 cm mudhayamita, akaonda kusvika pakubata, ane yakadzika notch padanho rekunamatira petiole. Mashizha acho anowanikwa panzvimbo yepamusoro, akaunganidzwa mu rosette kubva pachigadziko icho boka rakaoma remidzi yemvura inokura, sekutonga, haisviki pasi. Mumamiriro okunze anodziya, inotumbuka nemaruva machena madiki ane maruva matatu.

Mamiriro ekukura akanyanya anoonekwa seanodziya, ane acidic zvishoma, akapfava (pH uye dGH) mvura ine mwero wepamusoro wekuvhenekera. Iyo mineral content yevhu haina basa. Mune aquarium yakakura kana dziva rine ecosystem yakanyatsogadziriswa, kuiswa kwekupfeka kwepamusoro hakudiwi. Zvakakosha kuyeuka kuti mumvura shoma Frog Vodokras, kana ichikura, inokurumidza mafashamo pamusoro pese. Mune aquarium, izvi zvinogona kukonzera kukanganisa kwekuchinjana kwegasi uye kusvava kwezvimwe zvidyarwa, izvo zvinozove zvisina kujeka.