Kifin Reedfish

Kifin Reedfish
Conservation status
NT (mul)  (IUCN 3.1)
Scientific classification
Kingdom	Animalia
Phylum	Chordata
Order	Polypteriformes (mul)
Dangi	Polypteridae (mul)
Genus	Erpetoichthys (mul)
jinsi	Erpetoichthys calabaricus Smith, 1865

Reedfish, ropefish (wanda aka fi amfani dashi a Amurka), ko maciji, '''''Erpetoichthys calabaricus, nau'in kifi' ne a cikin dangin Polypteridae tare da bichirs. Shi ne kawai memba na jinsin Erpetoichthys . Yana da iyali a cikin ruwa mai laushi da ruwan gishiri a Yamma da Tsakiyar Afirka. Reedfish yana da huhu biyu ban da gills, yana ba shi damar rayuwa a cikin ruwa mai ƙarancin iskar oxygen. Yana fuskantar barazanar asarar mazaunin ta hanyar shuke-shuke na Man dabino, sauran noma, sare daji, da ci gaban birane.

Bayyanawa

Mafi girman samfurin gidan kayan tarihi na kifin reedfish da aka tabbatar yana da tsawon santimita 37 (inci 15), kuma bincike uku inda aka kama kifin reedfish na daji sama da 2,000 (ta amfani da tarkon kwando, ma'ana cewa mutane ne kawai suka fi tsayi daga santimita 15 zuwa 20 (inci 6 zuwa 8) ba su sami wanda ya wuce santimita 41.4 (inci 16.3) ba. Duk da cewa wani lokacin ana da'awar cewa ya kai santimita 90 (ƙafa 3), wannan ba daidai ba ne..

Tsawon jiki a cikin kifi, kamar eels, yawanci yana faruwa ta hanyar ƙara caudal (tail) vertebrae, amma a cikin bichirs ya faru ta hanyar ƙara precaudal vertebrae. Reedfish sun samo asali ne daga jikin maciji ta hanyar samun sau biyu fiye da yawancin ƙwayoyin ƙwayoyin cuta kamar membobin 'yar'uwarta Polypterus, duk da cewa suna da adadin ƙwayoyin wutsiyar. Fuka-fukan pelvic ba su nan, kuma dogon dorsal fin ya ƙunshi jerin spines da aka raba sosai, kowannensu yana tallafawa ɗaya ko da yawa da aka haɗa da hasken da membrane. Reedfish yana da huhu biyu, yana ba shi damar numfashi na iska. Wannan yana bawa jinsin damar rayuwa a cikin ruwa tare da ƙarancin iskar oxygen da aka narke kuma su tsira na matsakaici na lokaci daga ruwa. Jima'i suna da kama da matsakaici da matsakaicin tsawon, amma mata suna da nauyi fiye da maza masu irin wannan tsawon, kuma ana iya raba su da kyau ta hanyar siffar ƙashin su. Reedfish suna da duhu a sama da kuma a bangarorin, tare da haske orange ko rawaya. Maza gabaɗaya suna da launin zaitun-kore, yayin da mata gabaɗaya sun fi launin rawaya-launin. Tsuntsaye suna da gills na waje, suna sa su yi kama da tsutsa na salamander.

Sunan jinsin ya samo asali ne daga kalmomin Helenanci Erpeton (abin da ke tafiya) da ichthys (kifi).

Rarraba da mazaunin

Reedfish yana zaune a hankali ko tsaye, sabo ko mai laushi, ruwa mai zafi, kuma yawanci a wurare masu laushi ko wasu tsiro masu tsayi. Yana faruwa a Benin, Kamaru da Najeriya, yana mamaye yankin daga Kogin Ouémé zuwa Kogin Sanaga . Akwai tsoffin rubuce-rubuce daga Kogin Chiloango a DR Congo da Cabinda a Angola, amma waɗannan ba a tabbatar da su ba kuma suna da shakku.

Muhalli

Reedfish yana da dare, kuma yana cin abinci a kan tsutsotsi, ƙananan ƙwayoyin cuta (kamar shrimp), kwari (duka manya da tsutsarsu), kwari da ƙananan kifi. Lokacin da yake motsawa cikin ruwa a hankali, yana amfani da fuka-fukan kirji, kuma lokacin da yake motsa jiki yana canzawa da sauri zuwa nau'in yin iyo kamar eel (yana amfani da motsi na cikakken jiki da caudal fin). Ba kamar 'yar'uwarsu ba Polypterus, wanda ba ya barin ruwa da son rai, an san kifin reedfish don bincika ƙasa a cikin daji da kuma a cikin bauta idan aka ba su damar, suna zamewa kamar maciji kuma suna shan kayan abinci a ƙasa. Ana dawo da ganima da aka kama a ƙasa zuwa ruwa.

Mata suna yawan ajiye ƙananan ƙwai tsakanin ƙuƙwalwar ƙuƙwalwa na namiji, inda aka shayar da su. Kifi na namiji sai ya watsar da ƙwai a cikin ciyayi na ruwa, inda suke manne wa tsire-tsire da substratum. Tsuntsaye suna fitowa da sauri (bayan awanni 70) amma suna ci gaba da kasancewa a haɗe da ciyayi; suna zama masu zaman kansu kuma suna fara ciyarwa bayan ~ kwanaki 22, lokacin da aka cinye jakar kwai.

Kifi mai launin rawaya-kore a cikin launin toka Polypterus senegalus

A cikin akwatin kifaye

Ana nuna kifi a wasu lokuta a cikin akwatunan kifaye. Dukkanin kifaye na akwatin kifaye an kama su ne; har yanzu ba a samu nasarar haifuwa a cikin bauta ba. An lura da tsiro da hatching a cikin bauta, amma ba a bayar da rahoton cewa babu hatchlings da suka tsira har zuwa girma ba.

Suna da son sani, masu zaman lafiya, kuma suna da wasu "halaye". Ko da yake suna da dabi'ar dare, wani lokacin kifin reedfish yakan fito da rana. Tunda suna da yanayi na zaman lafiya, wasu kifaye na iya "cin zarafin" kifin reedfish, duk da girmansa, musamman a gasar abinci ko sarari. Wasu kifin reedfish kuma suna da sha'awar kasancewa kusa da saman ruwa, inda za su kasance lafiya daga wasu kifin kuma har ma za su bar yawancin jikinsu su bar ruwan a wasu lokutan. [ana buƙatar hujja][citation needed].

Suna iya zama da wahala a ajiye su; za su yi tsalle su shiga famfo don tserewa daga tankuna kuma sau da yawa suna mutuwa sakamakon haka, kuma suna iya jin daɗin canjin pH da sinadarai na nitrogen. Sau da yawa za su cinye wasu ƙananan kifaye idan aka ba su dama.[3] Sau da yawa ana cin ƙananan kifayen zinariya da minnows maimakon tsutsotsi ko masu gudu a dare, da sauran abincin kifi da ake samu a kasuwa..