Formosa (Latin Heterandria formosa, Ingilishi mafi ƙarancin kashe) wani nau'in kifi ne mai ɗanɗano na dangin Poeciliidae, ɗayan mafi ƙanƙan kifi a duniya (mafi girma na 7 tun daga 1991). Na dangi daya ne wanda ya hada da kifin kifin da ya saba da shi kamar guppies da mollies.
Rayuwa a cikin yanayi
Heterandria formosa shine kadai memba daga jinsinta da aka samo a Amurka. Yana ɗayan thean kifin kifaye na asalin Arewacin Amurka.
Kifi ne mai sabo wanda kuma galibi ana samun sa a cikin ruwan dumi. Gidan zama ya shafi kudu maso gabashin Amurka, daga South Carolina zuwa Georgia da Florida, da yamma a tsallaka Florida Coast Coast zuwa Louisiana. A cikin 'yan shekarun nan, an gano wannan nau'in a gabashin Texas.
Heterandria formosa yana rayuwa ne da farko a cikin ciyayi masu yalwa, jinkirin motsi ko tsaftataccen ruwa, amma kuma yana faruwa ne a cikin ruwa mai ƙarfi. Kifi sananne ne don rayuwa cikin yanayi daban.
Yanayin ruwa a mazaunin zai iya zama daga digiri 10 na Celsius zuwa 32 a ma'aunin Celsius (50-90 digiri Fahrenheit).
Hadaddiyar abun ciki
An dauke su kifin wurare masu zafi, amma a cikin daji suna rayuwa a cikin yanayi daban-daban, sabili da haka basu da kyau kuma an ba da shawarar don masu farawa. Koyaya, yana da wuya a same su akan siyarwa saboda launi mai launi.
Lokacin siyan su, tabbatar cewa an gano su daidai saboda wasu lokuta suna rikicewa da kifi mafi tsananin hadari na Gambusia.
Bayani
Formosa shine ɗayan mafi ƙanƙan kifi da ƙananan ganyayyaki da ilimin kimiyya ya sani. Maza suna girma zuwa kimanin santimita 2, yayin da mata ke girma kaɗan, har zuwa kusan santimita 3.
Kifin galibi launi ne na zaitun, tare da duhu a kwance a ƙetaren tsakiyar jiki. Hakanan akwai tabo mai duhu akan dorsal fin; mata suma suna da tabo mai duhu akan finfin dubura.
Kamar yawancin kifin da ke rayar da rai, maza sun sauya fincin dubura a cikin gonopodia, wanda ake amfani da shi don sadar da maniyyi da takin mata yayin saduwa.
Adana a cikin akwatin kifaye
Steam kawai za'a iya ƙunsar shi a cikin tanki na lita 10. Koyaya, tunda sun fi son salon rayuwa na gregarious, ƙimar da aka ba da ita shine lita 30.
Ganin ƙaramin girmansu, ya zama dole a yi amfani da matatun mai ƙarfi, tun da kwararar ruwa mai ƙarfi zai hana formos yin iyo.
Jinsi ne mai wuyar sha'ani, dangane da sauyin yanayin zafin jiki mai yawa a cikin yanayin muhalli. Sigogin da aka ba da shawarar don abun ciki: zazzabi 20-26 ° C, acidity pH: 7.0-8.0, taurin 5-20 ° H.
Ciyarwa
Kabilan da aka zaba kuma masu kyan gani, kifin zai ci mafi yawan abincin da ake bayarwa. Musamman yana son daphnia, kuma abincin ya kamata ya ƙunshi rabonsu. Suna son cin algae a cikin yanayi, don haka yi ƙoƙari ku haɗa da tsire-tsire a cikin abincinku. Idan babu algae, flakes na spirulina shine kyakkyawan maye gurbin.
Karfinsu
Kifin akwatin kifaye na lumana, amma bai dace da kowane nau'in akwatin kifaye ba. Maza, musamman, kanana ne da kifi da yawa zasu dauke su abinci, kamar su sikeli.
Bai kamata a ajiye su a cikin akwatinan ruwa tare da babban kifi ba, amma za'a iya ajiye su tare da sauran ƙananan kifin kamar Endler's guppies, mollies, pecilia, kadinal.
Maza na iya nuna ɗan ƙaramin tashin hankali lokacin da suke fafatawa da mata, amma lalacewar jiki a tsakanin su yana da wuya. Kifi yana jin daɗi idan an kewaye shi da dangi, a cikin ƙaramin garken.
Bambancin jima'i
Maza sun fi mata ƙanƙan da yawa kuma suna da babbar gonopodia.
Kiwo
Kamar yawancin membobin jinsi, H. formosa yana da kuzari. Namiji yana amfani da ƙwanjin da aka gyara, ko gonopodia, don sadar da maniyyi ga mace.
Takin da ke da taki yana girma a cikin mace har sai sun kyankyashe kuma an saki san ruwa masu ninkaya a cikin ruwa.
Koyaya, Heterandria formosa yana da dabarun kiwo iri-iri, koda a tsakanin masu rayayye ne: maimakon sakin duk soyayyen a lokaci daya, har 40 na soya ana sakin su cikin kwana 10-14, amma wani lokacin na tsawon lokaci.
Kiwo da kanta mai sauqi ne. Kusan ba zai yuwu a hana shi ba idan duk jinsi biyu suna cikin tanki.
Sigogin ruwa ba su da mahimmanci muddin suna cikin kewayon da ke sama. Lokacin haihuwa shine kimanin makonni 4. Za ku ga soya da yawa suna fitowa kowace rana ko biyu idan kuna da mata fiye da ɗaya a cikin tanki.
Suna da girma sosai a lokacin haihuwa kuma nan da nan zasu iya karɓar busasshen abinci mai ƙoshin ruwa da naplii mai ɗanɗano.
Babban kifin yawanci baya cutar da shi.
