Cancers hauv cov thoob dej yug ntses yog neeg tshwj xeeb. Unattractive grey inhabitants ntawm reservoirs, txuj ci tseem ceeb ntawm yug me nyuam tau muab rau hauv tiag zoo nraug cov txiv neej. Lawv tus naj npawb tsis yog ib hom kab: qoob loo, xiav Kab Cuban, thaj yeeb nyob hauv qhov dej ciav bog, dawb snow Florida thiab ntau lwm tus. Tam sim no hniav crayfish nyob rau hauv lub thoob dej yug ntses, tsis muaj ib tug surprises. Ua kom lawv xis nyob, koj yuav tsum tsim kom muaj ib lub paj laum rau lawv thiab txawm tias lawv npaj lawv lub tsev.
Kev khomob cancer hauv cov thoob dej yug ntses
Qhov feem ntau xav tau ntawm cov kev mob hauv cov thoob dej yug ntses yog paub txog cov kab mob dej hauv hav dej, vim tias nws yog siv los hloov qhov kub hloov. Cov nqaij qoob no tsis nyiam kom sov dhau. Cov dej kub saum toj 25 ° C txhawb nqa cov tshuaj tsw qab heev, thiab qhov no tshwm sim rau lub sijhawm lawv lub neej. Lawv xav tias zoo nyob hauv cov dej tsis muaj kua qaub (acid) hauv nruab nrab cov tawv nqaij, nplua nuj hauv cov pa. Nws yog heev scrupulous yuav tsum tau nyob rau hauv relation mus rau tshuaj lom neeg muaj pes tsawg leeg ntawm cov dej, txij li ntawm los ntawm qhov tsawg tshaj plaws ntawm tooj liab, nitrates los yog nitrites, lawv muaj peev xwm piam sij.
Cancers yog nquag thaum hmo ntuj, yog li lawv tau pub lawv rau yav tsaus ntuj. Tus txiv neej muab ib pub txhua txhua ob hnub, thiab tus poj niam ib zaug nyob rau hauv peb hnub. Tus nqi ntawm cov khoom noj yog nce thaum lub sij hawm yug me nyuam thiab lub caij molting. Cov qog noj qog yuav yog ib qho khoom noj tshwj xeeb los ntawm cov khw muag tsiaj, cov tsiaj thiab zaub, tab sis lawv tseem nyiam cov nroj tsuag ntau. Koj tuaj yeem noj cov kab xaum qhuav nrog nplooj nplooj ntoo qhuav, ntoo qhib los sis kav, uas ua rau kom ntxuav ntawm txoj hnyuv.
Nqa algae nyob hauv ib thoob dej yug ntses nrog crayfish, koj yuav tsum xav txog tias lawv yuav ntxeev lawv cov hauv paus hniav thiab sim qw cov khoom noj.
Lub xub ntiag ntawm cov chaw yog tsis muaj qhov tseem ceeb me me. Nyob rau hauv lub sij hawm tseem ceeb, xws li molting, lawv nkaum feem ntau lub sij hawm. Yog li ntawd, cov chaw nyob hauv cov kav dej, pob zeb, driftwood thiab lwm yam khoom kom tsis txhob muaj kev sib ntaus sib tua rau qhov chaw ua haujlwm yuav tsum siab tshaj qhov crayfish lawv tus kheej.
Nws yog ntshaw kom npog cov thoob dej yug ntses, hauv nws yog ib qho tsim nyog los tsim kom muaj kab ntsig ntawm qhov driftwood mus rau qhov mob cancer mus rau ntawm cov dej.
Cancers nyob rau hauv cov thoob dej yug ntses tsis tas nrog rau cov ntses. Ib tug neeg los ntawm cov neeg zej zog no tuaj yeem tsim txom. Koj tsis tau nrog crayfish kom lovers ntawm lub qab, xws li catfish, raws li goldfish thiab scalar . uas lawv muaj peev xwm txiav lawv cov tails thiab cov fins. Tsis haum rau cohabitation thiab loj cichlids , infringing cov cai ntawm crayfish.