Li-shrimp ke li-crustaceans, e leng baemeli ba taelo ea decapod crayfish. Li atile hohle metsing 'ohle a leoatle a lefatše. Bolelele ba shrimp ea motho e moholo ha bo fete lisenthimithara tse 30 mme bo boima ba ligrama tse 20.
Batho ba fetang 2000 ba tsejoa ke mahlale, ho kenyeletsoa le ba phelang metsing a hloekileng. Tatso ea li-shrimp e lebisitse ho hore e fetohile ntho e hlahisoang ke indasteri. Tloaelo ea ho lema shrimp e atile lefatšeng kajeno.
Likarolo le sebaka sa shrimp
Shrimps ke liphoofolo tse ikhethileng ka sebopeho sa 'mele ea tsona. Likarolo tsa shrimp li 'meleng oa tsona. Shrimps ke e 'ngoe ea li-crustaceans tse sa tloaelehang tse tšollang le ho fetola likhetla tsa tsona.
Likarolo tsa hae tsa botona le pelo li sebakeng sa hlooho. Hape ho na le litho tsa tšilo ea lijo le tsa ho ntša metsi. Joalo ka ho fetisisa li-crustaceans, shrimp phefumoloha ka li-gill.
Li-gill tsa shrimp li sirelelitsoe ke khetla mme li fumaneha pela maoto a maoto. Boemong bo tloaelehileng, mali a bona a boputsoa bo bobebe, ka lebaka la khaello ea oksijene a soeufala.
Shrimp e phela hoo e batlang e le mehloli eohle e meholo ea metsi lefatšeng. Meeli ea tsona e lekantsoe feela ke metsi a thata a Arctic le Antarctic. Ba ikamahanya le maemo a bophelo mofuthu le serame, letsoai le metsi a hloekileng. Palo e kholo ka ho fetisisa ea mefuta ea shrimp e kenella libakeng tsa equator. Ha hole le equator, palo ea baahi e nyane.
Sebopeho le mokhoa oa bophelo oa shrimp
Shrimp bapala karolo ea bohlokoa tikolohong ea tikoloho ea maoatle le maoatle. Li hloekisa botlaaseng ba matamo ho mesaletsa ea li-tubule, likokoanyana tsa metsing le litlhapi. Lijo tsa tsona li na le limela tse bolang le li-detritus, tse ntšo tse bileng teng ka lebaka la ho bola ha litlhapi le bolele.
Ba phela bophelo bo mafolofolo: ba lema li-expanses tsa tlase ho ea batla lijo, ba khasa holim'a makhasi a limela, ba li tlosa likhofu. Tsamaiso ea Shrimp ka metsing e fanoa ke maoto a tsamaeang ho cephalothorax le maoto a ho sesa ka mpeng, mme motsamao oa kutu ea mohatla o ba lumella ho hlasela kapele le ho tšosa lira tsa bona.
Li-shrimp tsa aquarium li sebetsa ka mokhoa o hlophisehileng. Ba tlosa letangoana la ho silafatsa bolele bo tlase mme ba fepa mesaletsa ea "baena" ba shoeleng. Ka linako tse ling li ka hlasela litlhapi tse kulang kapa tse robetseng. Bonyane har'a li-crustaceans tsena ha se hangata. Hangata e iponahatsa feela maemong a sithabetsang kapa maemong a tlala e telele.
Mefuta ea Shrimp
Mefuta eohle ea shrimp e tsejoang ke mahlale e arotsoe ka lihlopha tse 'ne:
- Metsi a futhumetseng;
- Metsi a batang;
- Metsi a letsoai;
- Metsi a hloekileng.
Sebaka sa li-shrimp tsa metsi a futhumetseng se lekanyelitsoe maoatleng le maoatleng a ka boroa. Ha li tšoaroe feela ke tikoloho ea tsona ea tlhaho, empa hape li lengoa maemong a maiketsetso. Saense e tseba mefuta e fetang lekholo ea li-shrimp tsa metsing a futhumetseng. Mehlala ea li-molluscs tse joalo ke li-shrimp tsa nkoe tse ntšo le prawn e tšoeu.
Ho tšoantšetsoa shrimp ea nkoe e tšoeu
Li-shrimp tsa metsi a batang ke li-subspecies tse tsebahalang haholo. Sebaka sa bona sa bolulo se pharalletse: li fumaneha libakeng tsa Baltic, Barents, North Seas, lebopong la Greenland le Canada.
Neng Tlhaloso ea shrimp ea batho ba joalo ho bohlokoa ho bolela hore bolelele ba bona ke 10-12 cm, mme boima ba bona ke 5.5-12 gram. Li-shrimp tsa metsi a batang ha li iketsetse tlhahiso ea maiketsetso mme li hlaha feela tikolohong ea tsona ea tlhaho.
Li fepa feela li-plankton tse bolokang tikoloho, tse nang le phello e ntle boleng ba tsona. Baemeli ba tummeng ba li-subspecies tsena ke li-shrimp tse ka leboea tse khubelu, chillim e ka leboea le shrimp e khubelu ea khekhe.
Litšoantšo tsa chilim shrimp
Shrimp, e tloaelehileng metsing a letsoai a maoatle le maoatle, e bitsoa brackish. Kahoo, Leoatleng la Atlantic khubelu morena prawn, tšoeu e ka leboea, pinki e ka boroa, pinki e ka leboea, serrate le batho ba bang.
Setšoantšong, shrimp ea serrated
Li-shrimp tsa Chile li ka fumanoa mabopong a Amerika Boroa. Metsi a maoatle a Letšo, a Baltic le a Mediterranean a ruile ka makhala le joang ba lehlabathe.
Setšoantšong ke shrimp ea joang
Li-shrimp tsa metsi a hloekileng li fumanoa haholo-holo linaheng tsa Boroa-bochabela le Asia Boroa, Australia, Russia le linaheng tsa kamora Soviet Union. Bolelele ba batho ba joalo ke lisenthimithara tse 10-15 mme e boima ba ligrama tse 11 ho isa ho tse 18. Mefuta e tsebahalang haholo ke troglocar shrimp, Palaemon superbus, Macrobachium rosenbergii.
Lijo tsa Shrimp
Motheo lijo tsa shrimp li bolaoa ke limela tsa metsing le maloanlahla a manyolo. Sebakeng sa bona sa tlhaho sa tlhaho, ke bahlaseli. Li-shrimp li ke ke tsa hana thabo ea ho ja mesaletsa ea li-mollusk tse shoeleng kapa esita le litlhapi tse nyane.
Har'a limela, ba khetha ho ja tse nang le makhasi a linama le a monate, mohlala, ceratopteris. Ha li batla lijo, li-shrimp li sebelisa litho tsa ho ama le ho fofonela. Ha e fetola manakana a eona ka mahlakore a fapaneng, e sheba ho potoloha sebaka ebe e leka ho fumana phofu.
Ha li batla limela, mefuta e meng ea li-shrimp e lulang haufi le equator e cheka mobu oa letamo. Ba matha ho potoloha moeli oa eona ho fihlela ba kenella lijong, ebe, ha ba e atamela hole le sentimetara, ba e hlasela ka bohale. Batho ba foufetseng ba lulang botlaaseng ba Leoatle le Letšo ba fepa lehloa, ba le sila ka li-mandibles - mehlahare e tsoetseng pele.
Bakeng sa li-shrimp tse holileng ka har'a aquarium, li-fepa tse entsoeng ka ho khetheha li entsoe, li matlafatsoa ka limatlafatsi le iodine. Ha ho khothalletsoe ho ba fepa ka meroho e senyehang.
Joaloka lijo, o ka sebelisa lihoete tse phehiloeng hanyane, likomkomere, zucchini, makhasi a dandelion, clover, cherries, chestnuts, walnuts. Mokete oa 'nete oa shrimp ke mesaletsa ea tlhapi ea aquarium kapa batho ba bang.
Ho ikatisa le tebello ea bophelo ea li-shrimp
Nakong ea bokhachane, shrimp ea basali e qala ts'ebetso ea ho theha mahe, a ts'oanang le boima bo botala bo mosehla. Ha e tšehali e se e loketse ho nyalana, e ntša li-pheromone ka metsing - lintho tse nang le monko o itseng.
Ha li se li utloile monko ona, tse tona li buletsoe ho ea batla molekane ebe li mo fa monontša. Ts'ebetso ena e nka nako e ka tlase ho motsotso. Joale shrimp e na le caviar. Ntho e tloaelehileng bakeng sa mosali e moholo ke clutch ea mahe a 20-30. Kholiso ea embryonic ea li-larvae e nka matsatsi a 10 ho isa ho a 30, ho latela maemo a mocheso.
Ha li ntse li emoloa, li-larvae li feta mekhahlelo e 9-12. Nakong ena, liphetoho li etsahala mohahong oa tsona: qalong ho entsoe mehlahare, nakoana hamorao - cephalothorax. Boholo ba liboko tse qhotsitsoeng li shoa ka lebaka la maemo a mabe kapa "mosebetsi" oa libatana. E le molao, kholo e fihla ho 5-10% ea bana. Neng ho tsoala shrimp ho fihlela ho 30% ea bana ba ka bolokoa ka aquarium.
Li-larvae li phela bophelo ba ho lula fatše 'me ha li khone ho fumana lijo, li fepa lijo tseo li li fumanang. Mokhahlelo oa hoqetela oa nts'etsopele ea li-molluscs tsena o bitsoa decapodite. Nakong ena, larva e phela ka tsela e fapaneng le ea shrimp e kholo. Ka karolelano, shrimp e phela bophelo ba lilemo tse 1,5 ho isa ho tse 6.