Ruwan ruwa: abin da daphnia yayi kama da yadda ake shuka shi
Daphnia wani crustacean abinci ne ga kifin kifin kifin. Suna buƙatar kulawa akan lokaci da ingantaccen abinci mai gina jiki. A halin yanzu ana siyar da Daphnia. A baya can, mutane da yawa sun kama su a cikin tafki na halitta. Haka kuma crustaceans ana kiransu ruwa fleas.
Abubuwa
Abin da Daphnia yayi kama: hoto
Bayanin kwari
name: Daphnia
Yaren Latin: DaphniaClass Kwari - Kwari
Kama: Gill-ƙafa crustaceans - Anomopoda
 | Wuraren zama: | m reservoirs |
 | Ginin wutar lantarki: | algae, plankton abubuwa |
 | Halaka: | kwari sun zama masu fama da kifaye daban-daban |
Daphnia a karkashin microscope.
Karamin crustacean yana cikin nau'in crustacean planktonic. Girman ya dogara da nau'in. Yana iya bambanta daga 2 zuwa 6 mm. Saboda ƙananan girman jiki, yana da wuya a ga tsarin. Na'urar microscope zai taimaka da wannan.
Jikin yana da siffar oval. A bangarorin biyu akwai firam na musamman. Yana wakiltar kariyar gabobin ciki. Gabobin warin sune eriya a kai. Tare da taimakon su, ƙuma suna iya turawa, yin iyo, tsalle.
Akwai kafafu a kirji. Algae da kwayoyin cuta suna ratsa su. Fleas na iya yin numfashi ta buhunan gill. Gill jakunkuna suna da bristles masu aiki azaman tacewa.
Akwai nau'ikan cladocerans sama da 150. A cikin latitudes ɗinmu kuna iya gani:
- magnu - mafi girma jinsuna;
- pulexa - yana da matsakaicin girman;
- nawa - karami.
Kullum akwai abincin shuka a ciki. Ya ƙunshi abubuwa masu amfani waɗanda mazauna cikin akwatin kifaye suke buƙata.
Yankin
Wurin zama na yau da kullun shine tafkuna masu tsayayye. Za su iya zama duka a cikin tafki da cikin tafkin zurfi. Ko sanyi Antarctica ba banda.
Ɗaya daga cikin manyan sharuɗɗa shine kasancewar ruwa maras kyau tare da ƙananan adadin ƙasa.
Ruwan ƙasa yana taimakawa wajen tace ƙasa da kuma daidaita algae a cikin hanji.
Daphnia: tace na halitta.
Wannan yana haifar da toshewa. Ta wurin kasancewar crustaceans a cikin ruwa, ya bayyana yadda tsabtar tafkin, kandami, kogi yake. Ruwan ƙasa yana taimakawa wajen tace ƙasa da kuma daidaita algae a cikin hanji. Wannan yana haifar da toshewa.
Wasu nau'ikan suna rayuwa a ƙasa, suna ciyar da matattun sassan abincin shuka da ragowar invertebrates. Wani lokaci ana iya ganin su a cikin kududdufi da ramuka da ruwa. A cikin haske mai haske, crustaceans suna ɓoye cikin zurfi. Ana yawan samun waɗannan kwari a ciki tafkuna da tafkuna.
Daphnia rage cin abinci
Daphnia a cikin ruwa.
Babban abincin ya ƙunshi yisti da ƙwayoyin cuta blue-kore. Ana iya samun babban taro na unicellular a cikin tafki mai fure, inda kifaye kaɗan ke rayuwa. Suna kuma ciyar da ciliates da detritus.
Tace ruwa yana faruwa ne saboda kafafun pectoral. Bayan haka, abinci yana shiga cikin gutter na rami na ciki, sa'an nan kuma ya shiga cikin esophagus. Glandar salivary da kuma fitar da lebba na sama suna ba da gudummawa ga manne kayan abinci a cikin dunƙule.
Adadin tacewa na manya shine daga 1 zuwa 10 ml yayin rana. Nauyin jiki yana rinjayar adadin abinci. Baligi magna yana iya cin 600% na nauyin jikinsa.
Tsarin rayuwa
Ikon haifuwa baya buƙatar hadi. 'Yan mata suna da ɗakin yara. Ana kiyaye shi ta gefen harsashi. Sharuɗɗan da suka dace suna ba da damar kwanciya 50 zuwa 100 ƙwai marasa taki. A cikin cavities, ci gaban mata yana faruwa. Bayan haka, matan suna fita daga cikin rami.
A cikin mata, molting yana farawa. Bayan 'yan kwanaki, ana maimaita tsarin haifuwa tare da taimakon mutane masu girma. Mace daya na iya samun zuriya har 25 a rayuwarta. Saboda haka, launi na tafki ya zama ja.
A cikin kaka, maza suna fara shiga cikin tsari. Harsashin da aka haɗe yana da yawa sosai. Yana iya jure tsananin sanyi da bushewar jikunan ruwa.
Tare da farkon bazara, ana maimaita haifuwa godiya ga mata. Sabbin jama'a suna da siffar jiki daban. Tsawon rayuwar babban daphnia shine watanni 4 zuwa 5. Sauran wakilai na iya kaiwa makonni 3.
makiya na halitta
Makiya su ne masu cin kananan dabbobi. Maƙiyan halitta sun haɗa da:
- kananan kifi;
- soya;
- dodunan kodi;
- kwadi;
- sabon tsutsa;
- sauran mazaunan na farauta.
Yanayin kiwo
Kuna iya haifar da daphnia a gida. Wasu shawarwari:
- ruwa ya kamata ya kasance yana da launin kore ko haske mai launin ruwan kasa;
- sauran wakilan tafki ba a yarda su shiga ba. Misali, Cyclopes;
- Babban abincin ya kamata ya zama bushe letas ko inabi;
- ciyar da yisti mai yin burodi, wanda aka riga an murƙushe shi kuma an tace shi ta hanyar cheesecloth;
- ya isa a ɗibo ruwa daga tafki wanda akwai mutane 50 a cikinsa. Ana kara dafaffen abinci a cikin wannan ruwa;
- yi amfani da akwati gilashi, amma ajiye shi daga hasken rana;
- kula da yanayin zafi daga 20 zuwa 24 digiri Celsius;
- tsaftacewa da canza ruwa don kauce wa tarin zuriyar dabbobi ko silt a kasa;
- a yi amfani da ruwan da bai ƙunshi sinadarin chlorine da najasa sinadarai ba.
Amfanin Daphnia
Daphnia yana da babban abun ciki na furotin. Amino acid yana haɓaka haɓaka da haɓaka cikin sauri. Mafi sau da yawa ana ƙara su zuwa busasshen abincin kifi. A wannan yanayin, rabin adadin sunadaran sunadaran.
ƙarshe
Daphnia abinci ne mai mahimmanci ga kifin kifin aquarium, wanda ake siyarwa a cikin shaguna. Godiya ga abinci mai rai, rashin lafiya yana raguwa kuma daidaitawa zuwa sababbin yanayi yana da sauƙi. Koyaya, idan ana so, zaku iya kiwo da kanku.
A baya