Channel catfish: tsarin da kuma haifuwa

A 'yan asalin mazaunan ruwa tare a North America, tashar catfish bayyana a Rasha a cikin ko a cikin seventies na karshe karni. Wannan memba na iyali ictaluridae - mafi samar da dama kasuwanci jinsunan catfish cewa rayuwa, a Arewacin Amirka, a cikin kasar, da wuraren da kudancin yankunan fara kifi, kazalika da qware tafkunan kafa ta CHP. Its tsarin, halaye da kuma peculiarities na rayuwa gaya wa ɗaba'ar.

Places na halitta habitats

Yana faruwa yawanci a subtropical latitudes American tashar catfish musamman thermophilic kuma ji mai girma kududdufai da 25-28˚S ruwa zazzabi. A fili, wadannan siffofin taimakawa wajen motsa su dumi ruwa tare tabkuna, abin da ya ishe a cikin tsakiyar yankunan na Amurka da kuma arewacin Mexico. Kamar sauran iri catfish, tashar catfish ya kai wani sosai m size, amma a fili ba har zuwa cikin Refayawa, abin da ya faru catfish kowa ko kogi. A talakawan masu girma dabam na tashar catfish - ba fiye da daya da rabi da mita tsawo da kuma yin la'akari 5-9 kg. Amma wannan kifi ne da horar karkashin wucin gadi tafkunan da kuma waha.

Channel catfish: waddan a wucin gadi Wuraren

Amurkawa kira shi catfish cat ga sauƙi na "domestication" da kuma high quality-karbuwa ga kãmamme yanayi. Channel catfish aka girma cikin sauri, da nama da aka sosai mai daraja, shi ne m, m da kuma amfani. Industrial kiwo wannan kifi, wanda shi ne yanzu babban abu na kifi gonaki ne tsawo da kuma sosai yadda ya kamata tsunduma a cikin United States. A kifi ne musamman rare tare da American anglers, saboda wannan kamun ne na kowa a ko'ina cikin kasar, yana girma cikin sauri da kuma kara da nauyi.

Shigo cikin 70s a Turai, catfish tashar nasarar kama a cikin daruna na gudãna Kuban da kuma Don, inda a yau akwai wani barga yawan girma. Catfish bred a temperate latitudes - a cikin tafkunan da kifi gonaki kusa Moscow da kuma Ural yankin, located a kusa da kusanci zuwa hydroelectric iko shuke-shuke da kuma hada zafi, wucewa mai tsanani ruwa a kududdufai. Dumi ruwa kifi samar da wani dadi shekara-zagaye raya kasa.

kandami namo

Lokacin da waddan da wannan nau'in amfani da daya daga cikin hanyoyi uku: a aquariums, gidãjen Aljanna, wuraren waha ko tafkunan. Mafi sau da yawa amfani da matsayin kiwo kandami ne mafi sauki da kuma mafi kudin-tasiri Hanyar cewa ba ya bukatar tsada kayan aiki sayayya da kuma aiki halin kaka ne kadan. Zabar wani site domin gina kandami, la'akari da musamman fasali:

• topography.
• da inganci da abun da ke ciki na kasar gona.
• girma, da kuma ruwa quality.

Mafi kyau duka domin irin wannan jiki na ruwa an dauke da zurfin 0,9-2 m a gefen kudu da 1,8-3,5 m a arewa, inda matsananci winters yiwu daskarewa da m ruwa. Zaryblyayut kududdufai a cikin bazara, lokacin da ruwa ne warmed zuwa 13-15 ° C. A wannan lokaci, soya da asara ne yawa fiye da karami a cikin kaka kaddamar da juveniles. Bugu da ƙari, "spring" toya nan da nan za a fara girma cikin sauri. Duk da cewa babban iko a irin wannan yanayi ne wucin gadi feed, wani adadin abinci tashar catfish na'am saboda da na halitta abinci tushe na kandami.

Specific siffofin

Channel catfish dubi sosai kama da burbot. Coloring kifi m, wakewake. Backrest canza launin brownish baki ko launin toka sautunan Pistachio, ciki haske, kusan fararen sikelin mãsu fakowa jiki tsirara. Maza suna da muhimmanci daban-daban daga mãtã. Su bata duhu da haka mafi pronounced, da kuma shugaban ne ya fi guntu da fadi. Adult maza mãtã ne mafi alhẽri. A shekaru, mazan kifi jiki launi ne ma kula duhu. Saboda dabbare catfish, kuma bangarorin da ake kira "tashar" cewa oznachvet fassara a matsayin "hange". A kiwo akwatin kifaye a can da kuma zabiya catfish. The shugaban tashar catfish ado da hudu nau'i-nau'i daga antennae shirya a nau'i-nau'i a kusa da kafafen hancinsa, sasanninta na baki da kuma a kan Chin. Kifi da kaifi spiny fins. Ya kamata a tuna yawan guba pectoral da dorsal ƙege da kifi. Ga lamba tare da shi kada su manta game da taka tsantsan.

A girma catfish girma zuwa 0.5-0.7 m, kai wani nauyi na 4.5 zuwa 9 kg, acclimatized - kasa. Alal misali, a cikin Don kuma Kuban kama Sar ba fiye da 5 kg. Amma tarihi ya sani som rikodin-saitin: al'amarin a lokacin da South Carolina aka kama catfish tashar, wanda auna 26 kg.

hanyar rayuwa

Channel catfish ne mai girma predatory jinsunan. Sun catfish rayuwa motsi a cikin kãyansu, amma tare da shekarun su, hanyar rayuwa an canza: su ne guda, A daidaitawa zuwa rayuwa a "zastolblennoy" ƙasa. Wadannan kifaye iya zama quite m, wanda shi ne bayyana musamman a lokacin spawning kakar. Domin tashar catfish bukatar tsari - daban-daban snags, ramukan, GROOVES. Fifita tsabta da kuma zurfin wuraren da yashi ko tekun yana da tsakuwa kasa, catfish ne Kadaitaccen rayuwa, da nuna wani enviable aiki a cikin farauta.

A tashar catfish an ciyar da shi?

Catfish gargajiya rage cin abinci: kananan kifi, crustaceans da kwaro. Kadan na kowa abinci domin shi ne daban-daban na cikin ruwa kwari ko kananan dabbobi masu shayarwa. An yi imani da cewa tashar catfish ne kusan omnivorous, ciyar benthic halayyar gare shi.

Spawning: shirye-shiryen

A mafi muhimmanci, a cikin rãyuwar kowane mazauni da tafki ne spawning. Shin ba togiya da kuma tashar catfish, wani photo na wanda aka gabatar a cikin ɗaba'ar. A yanayi, catfish spawns daga tsakiyar watan Afrilu zuwa watan Yuli. Ya nemi da ya sami m backwaters na koguna, kananan m lake. Ruwa, mafi kyau duka domin spawning, ya kamata a mai tsanani ga 20-25˚S. Kamar dabbobin da yawa, riga spawning m yãki shirya da maza. Sau da yawa wadannan yãki kawo karshen tare da rauni, rauni ko ma mutuwa na weaker adawar.

Da zarar tururi kafa, da kuma ruwa a cikin ruwa warmed zuwa so zazzabi, namiji so a ɓoye, yawanci a kusa da tudu, da kuma fara gina sheƙarsu tare da cikakken tsarkakewa na kasa sludge kuma daban-daban tarkace.

Kula da masonry

The mace kayansa mãsu 2-3 qwai shirya soket yadudduka, kowanne daga abin nan da nan impregnates namiji jawabin da dukan tsari daga 4 zuwa 12 hours. Masonry ne na roba samuwar gani kama da wani soso, kuma ya kunshi wata mai haske orange qwai zagaye, tam da alaka da juna. Bayan spawning namiji, kamar yadda abar uba, ya fara kare qwai da mace koran kashe. By aiwatar sai ya rika ƙwarai da gaske, ba kawai kare daraja kama, amma daga lokaci zuwa lokaci girgiza da ƙege, samar da damar yin amfani da sabo ruwa zuwa spawn samuwar. Developing qwai ga 120-122 hours. Kafin Hatching qwai duhu da suka iya ganin hulking baleen tãyuna, bi da namiji har yanzu ido sosai. Ya daina tana da qwai, kuma a hankali fanning ta da ƙege. Lokacin da qwai juya zuwa tayi, su motsi ne har yanzu kadan, kuma sun kasance a cikin gida, forming m gungu canza. A tãyuna a cikin wadannan girgije, gungu suna shirya kai ga cibiyar da kuma wutsiyoyi ne a akai motsi. Nature shi ne mai hikima, da kuma irin wannan tsari da damar tãyuna don ƙirƙirar ciki vortex kwarara ruwa, wanke tafi sharar kayayyakin da matattu qwai. Tare da shekaru, suka zama mafi aiki, amma har yanzu da aka gudanar a kusa da gida. Bayan kwanaki 2-3 da larvae ne riga iya iyo har zuwa ruwa ta surface. A wannan yanayin, da iyo mafitsara na larvae karo na farko cike da iska da kuma jiki pigmentation aka inganta, da kuma larvae zama launin toka.

Catfish larvae fara ciyar a kan plankton riga a rana ta huɗu, kuma bayan 'yan kwanaki da suke rayayye ciyar a kan zoobenthos, minced marine kifi, gauraye feed. Channel catfish toya girma sosai hanzari, hanzari samun nauyi.

kama kifi

A gwarzo ta wannan ɗaba'ar ne sosai ban sha'awa domin wasa kama kifi, a matsayin gaskiya da masu sana'a za su iya sa a zuciya kawai irin wannan karfi da abokin gaba kamar yadda tashar catfish. Fishing duniya - kama kifi gasa, rare a Amurka da gudana a can a shekara sai sun zama al'ada a Rasha. Domestic masunta yau ne wanda ba a sani tare da wannan ruwa rayuwa, tun fannin rarraba thermophilic catfish ne mai iyaka. Amma duk da haka mennee kyau Na'urar damar kifi, da m girma a vitro da kyau kwarai, ku ɗanɗani nama da kuma jawo hankalin 'yan kasuwa da suka shirya namo catfish kandami, da kuma masunta an riga shan wani aiki sashi a cikin gasa a wasanni kama kifi.