Duniya akwatin kifaye kifi: kifi wuka

Kifi-wuka (iyali apteronotovyh) ta samo sunanta ne daga lebur Tapered siffar kamã da wuka. Mazauninsu na wadannan kifaye - jinkirin dabba ba a kanta, kuma overgrown tafkunan na Amazon Basin (Bolivia, Peru, Brazil, Colombia). A akwatin kifaye apteronotus iya isa wani tsawon 30-40 cm, kuma a cikin yanayi - 50 cm.

Apteronotus belokaymovy (ko baki wuka) yana da wani elongate jiki, ba tare da Sikeli, da kaifi line na ciki. A fannin wutsiya suka yi located jiki fitarda rauni lantarki hasken dake fitowa ta cewa ba da damar kifi su kare kansu daga makiya, kuma a lokaci guda zuwa ga kewaya narkakken ruwan. Ventral da dorsal ƙege da ya aikata ba, amma da raya tsuliya, wanda gudanar daga shugaban da wutsiya. Yin wadannan undulations filafilin kifi da kuma daidaitawa ƙirjinsa, kifi-wuka iya matsar a cikin wani shugabanci, da kuma a cikin wannan gudun (gaba da baya da baya, kazalika da sama da kasa). A caudal filafilin kifi ne fairly kananan. Launi - karammiski baki, tare da wani farin layi a guje baya. A cikin caudal peduncle - biyu gangara yellowish-fari ratsi a cikin nau'i na qwarai. Mãtan bambanta daga maza karami kuma mafi shahararren ciki. Maza iya zama ba a mayar da kansa kadan mai dunƙule.

Black wuka - mai kaunar salama kifi, ko da m, a cikinsa aiki da dare. M hali, duk da haka, ba wata matsala ba a cikin farauta domin karami kifi. Kifi Knife - predator da ganima ga shi ne amma trifles kifi, tadpoles, tsutsotsi, crustaceans. Kifi na wannan nau'in rayuwa a cikin firgita ruwa da kuma kewaya shi, kuma ko da da dare, su na iya zama saboda lantarki hasken dake fitowa ta, kazalika da rabe located a kan tsawon na jiki. Lokacin da motsi kifi-wuka halitta wani electromagnetic filin, wanda damar ta zuwa sakankancẽwa ganima, wanda shi ne a wani shugabanci.

Kifi-wuka akwatin kifaye domin da abun ciki na bukatar tank 200 l kuma sama da karfi aeration, peat tace, wani ruwa zafin jiki na 24-28oC, tare da PH 6-7, 2-10o rigidity. Suna son sirrinka, don haka suna bukatar mai zaman kansa tsara a cikin nau'i na snags ado shambura ko tukwane. Ruwa canji ya kamata a yi sau ɗaya a mako, har zuwa 35% girma daga cikin tanki. Apteronotus belokaymovy saukin kamuwa zuwa ich. Ya kamata ka san cewa maganin wannan cuta a cikin wani hali da aka ba da shawarar yin amfani da kayayyakin, da suka hada da tutiya.

Lokacin da abun ciki na akwatin kifaye, shi ne kyawawa don ƙirƙirar yanayi na kifi, kusa da na halitta. Tsakanin maza sau da yawa faruwa matsala, don haka rufe a gare su ya zama isa. Wajibi ne a yi la'akari da girman kifi wukake da kuma jinsin tare da size da sauran jinsunan kifaye: ƙananan kifaye sun dauki kan abinci, da kuma sosai mobile kuma m makwabta ba su damuwa. Saboda haka, apteronotus cikakken m tare da barbs, wanda zai iya sa su irreparable cutar, wadda take cin su fins.

kifi Knife Ya fi son a ciyar a kan live abinci: kwari, Tubifex, toya na sauran kifi, squid, jatan lande ko grubs. Za a iya bai wa kananan guda na nama. By da wucin gadi feed saba ba tare da so, amma tare da wasu kokarin cimma wannan mai yiwuwa ne. Lokaci mafi kyau da ciyar da kifi - da yamma.

Balagarsa apteronotusy isa daya zuwa daya da rabi shekaru. Domin spawning tattara 2 maza da 1 mace. Spawning yakan auku a ruwa jet samar da SPRAY famfo (musamman su sa a wannan lokacin) da safe, a lõkutan asuba. Haihuwa na mace na iya zama har zuwa 500 qwai. A qwai ne mun gwada da manyan, yellowish, slabokleykaya. Spawning auku a cikin crevices tsakanin duwatsu, driftwood ko kayan ado. The larvae fito daga qwai bayan kwana biyu ko uku, kuma bayan 5-6 days iya riga iyo da kuma ci a kan nasu kananan plankton. A watan biyu na soya suna karfafa samar da wani isasshen yawan mutum mafaka, ko za su iya tauna kashe caudal peduncle a juna a lokacin da wani yaki.