iav perch - Aquarium ntses. Nws yog ib qho txawv heev thiab sawv tawm ntawm lwm cov neeg nyob nrog pob tshab ntawm nws lub cev. Cov ntaub so ntswg integumentary ntawm cov ntses no tso cai rau koj kom pom cov sab hauv thiab cov pob txha. Tias yog vim li cas nws thiaj li hu ua "iav perch". Tseeb, txhua yam yog pom los ntawm ib lub cev me me, xws li los ntawm iav. Kev saib xyuas lub perch nyob rau hauv ib lub thoob dej yug ntses tsis yog qhov nyuaj, nws yog qhov kev thaj yeeb nyab xeeb ntawm kev sib raug zoo nrog nws cov neeg nyob ze thiab yog ib qho nyuaj. Txhawm rau kom cov ntses kom xis nyob, koj yuav tsum paub qee txoj cai rau kev saib xyuas nws.
Tshuaj ntses - iav perch
Raws li tau hais ua ntej, lub ntsiab ntawm lub iav perch yog nws cov pob tshab. Cov ntses yog tom qab flattened thiab siab, nrog lub cev pob zeb diamond-puab. Qhov no feature tshwj xeeb tshaj yog zoo manifested nyob rau hauv kib, nrog rau hnub nyoog, txawv perches hloov.
Txiv neej thiab poj niam sib txawv xim. Thawj nyob rau hauv cov neeg laus ua txiv kab ntxwv nrog ib tug golden hue, cov poj niam nyob rau tib lub hnub nyoog yog silvery nrog ib tug hlau tint. Thaum tus txiv neej perch yog npaj rau spawn, ib tug xiav ciam teb tshwm nyob rau hauv cov npoo ntawm dorsal thiab qhov quav fins, thiab specks tshwm nyob rau hauv lub elongated ua luam dej zais zis. Poj niam ua luam dej zais zispuag ncig, feem ntau lawv saib tsawg dua cov txiv neej.
Aquarium iav perch: kev ua neej
Ib txwm yog cov ntses pob tshab los ntawm South Asia, hauv nws thaj av nws nyob hauv ob qho tib si dej tshiab thiab brackish, zoo siab dua nyob rau hauv cov reservoirs nrog dej khov. Nyob rau hauv tej yam ntuj tso, perches nyob hauv pab yaj, lawv tsis nyiam nyob ib leeg.
iav perch kuj paub hauv peb cheeb tsam. Aquarium ntses, raws li twb tau hais lawm, tsis nyiam kev kho siab. Sau ib pab yaj ntawm 10-12 perches, ua ke lawv yuav hnov zoo thiab nyob ntsiag to. Cov tub ntxhais hluas ua luam dej ntse nrog tag nrho cov tuam txhab hauv cov thoob dej yug ntses, thaum cov neeg laus tab tom nrhiav qhov chaw los tsim. Tom qab txiav txim siab ntawm qhov chaw rau spawning, tus txiv neej pib qhia nws cov neeg sib tw nws txoj cai rau vaj tse. Yog hais tias ib tug neeg txawv teb chaws encroaches nyob rau hauv lub occupied thaj chaw, ces kev sib ntaus yuav tshwm sim ntawm xws impudence. Raws li txoj cai, hauv kev sib ntaus sib tua tsis muaj neeg raug tsim txom. Lub thoob dej yug ntses yuav tsum tsis pub tsawg tshaj 50 litres hauv ntim, txwv tsis pub cov ntses yuav muaj teeb meem kev noj qab haus huv.
iav perch xyaum tsis sib cav nrog cov neeg nyob ze hauv thoob dej yug ntses, yog li qhov teeb meem ntawm kev sib koom tau yooj yim daws tau. Cov ntaub pua plag eleotrises, muv gobies, catfish, rasboras tuaj yeem yog cov neeg nyob ze zoo heev … Muab hais tias cov dej yog brackish, koj tuaj yeem xyuam xim ntxiv guppies thiab mollies rau perches. Thaum xaiv cov neeg nyob sib ze rau cov pob tshab zoo nkauj, ua raws li ib txoj cai: tsis txhob ntxiv cov ntses nquag thiab txhoj puab heev rau lawv.
Cov xwm txheej hauv tebchaws
Thaum khaws iav perches hauv thoob dej yug ntses, yog cov neeg nyob zetsis tas yuav tsum tau, dej tshiab tsis tas yuav s alted. Cov tshuaj tiv thaiv tuaj yeem yog los ntawm me ntsis acidic mus rau me ntsis alkaline. Cov dej kub hauv lub thoob dej yug ntses yog pom zoo kom khaws cia ntawm 26 degrees. Nws yog ib qho tsim nyog los hloov ib feem peb ntawm tag nrho cov dej txhua txhua xya hnub, aeration thiab filtration yuav tsum tau.
Yog tias koj xav kom koj cov ntses nyob hauv tsev, tsim kom muaj huab cua zoo rau lawv hauv thoob dej yug ntses. Rau qhov no, kev siv zog tshwj xeeb tsis tas yuav tsum tau ua, thawj qhov tseem ceeb yog ua kom muaj qhov tsaus ntuj ntawm cov pob zeb zoo lossis cov xuab zeb dej ntxhib. Tom qab ntawd koj yuav tsum cog cov algae tuab, tseem tso cov dej ntsuab hauv lub khob iav rau cov ntses, tam sim no ntxiv cov ntoo thiab pob zeb. Ntawd yog tag nrho, qhov chaw ntuj tsim rau iav perch yog rov tsim dua!
Yuav ua li cas pub thiab noj li cas?
Yuav kom lub iav perch txhim kho kom zoo, nws yuav tsum tau noj kom zoo. Nyob rau hauv lawv tej yam ntuj tso ib puag ncig, ntses noj larvae, crustaceans, kab thiab worms. Nyob rau hauv lub thoob dej yug ntses, kev noj haus ntawm pob tshab dej inhabitants muaj daphnia, coretra, tubifex thiab me me fodder bloodworms. Nws yuav tsum raug sau tseg tias perches tsis nyiam cov zaub mov qhuav thiab tsis kam haus nws.
Reproduction
Thaum muaj hnub nyoog rau lub hlis, lub iav perch yog npaj rau yug me nyuam. Cov txiv neej nyob rau lub sijhawm no pib faib thaj chaw, xaiv qhov chaw rau spawning. Cov txiv neej txawv teb chaws tsis raug tso cai nkag mus rau hauv thaj chaw uas nyob, cov poj niam, ntawm qhov tsis sib xws, "qhov rooj" yog ib txwm qhib. "Cov Tub" nquag caw "cov ntxhais" mus rau lawv qhov chaw. Lub caij mating kav plaub hnub, lub sijhawm ntawd ob peb lub perches hauv kev hlub spawn ob peb zaug.
Tus poj niam iav perch tam sim ntawd nteg rau lub qe, tus txiv neej tam sim ntawd fertilize lawv. Thaum lub sij hawm ib tug spawning, tus poj niam muaj peev xwm nteg txog peb puas qe. Lub sij hawm incubation kav 25-30 teev.
Ntses larvae ua luam dej tom qab hnub thib ob, lub sijhawm no lawv yuav tsum tau pub. Kev noj zaub mov ntawm cov larvae yog nyob hauv plua plav thiab rotifers. Thaum cov me nyuam loj hlob tuaj, tom qab txog kaum plaub hnub, lawv pib noj Cyclops nauplii nrog qab los noj mov. Koj yuav tsum ua tib zoo saib xyuas cov ntses me me thiab pub rau lawv tsis tu ncua, ces lawv yuav loj hlob zoo thiab tsim tau zoo.
