Daus dawb cw

Daus dawb cw (Caridina cf. cantonensis "Snow White"), belongs rau tsev neeg Atyidae. Ib qho zoo nkauj thiab txawv txawv ntawm cws, Liab Bee, yog qhov txawv ntawm cov xim dawb ntawm integument, qee zaum liab lossis xiav ntxoov ntxoo pom. Muaj peb hom raws li qib ntawm whiteness ntawm lub cev xim. Hom qis - ntau qhov chaw tsis muaj xim; nruab nrab - cov xim yog feem ntau monochromatic dawb, tab sis nrog pom qhov chaw tsis muaj xim; siab - ib tug zoo kawg nkaus cws dawb, tsis interspersing lwm ntxoov thiab xim.

Tu thiab kev saib xyuas

Nws zoo nkaus li zoo kawg nkaus hauv cov thoob dej yug ntses thoob plaws vim nws qhov sib txawv ntawm cov xim dawb. Nws yog ib qho tsim nyog yuav tsum tau ua tib zoo xaiv cov neeg nyob ze, xws li me me cw (tus neeg laus ncav cuag 3.5 cm) tuaj yeem dhau los ua ib qho khoom ntawm kev yos hav zoov rau cov ntses loj, predatory lossis txhoj puab heev. Nws yog ib qho yooj yim kom khaws zoo nyob rau hauv ntau yam ntawm pH thiab dGH qhov tseem ceeb, tab sis kev vam meej yug me nyuam yog ua tau nyob rau hauv cov mos mos, me ntsis acidic dej. Tus qauv tsim yuav tsum muab rau cov cheeb tsam uas muaj cov nroj tsuag tuab los tiv thaiv cov xeeb ntxwv thiab cov chaw rau cov chaw nyob (snags, grottoes, qhov tsua).

Lawv txais yuav luag txhua hom zaub mov siv rau kev pub ntses thoob dej yug ntses (pellets, flakes, khov nqaij cov khoom). Lawv yog ib hom kev txiav txim siab ntawm cov thoob dej yug ntses, thaum khaws cia ua ke nrog cov ntses, lawv tsis xav tau cov khoom noj sib cais. Lawv noj cov zaub mov seem, ntau yam organic teeb meem (cov nplooj poob ntawm cov nroj tsuag thiab lawv cov fragments), algae, thiab lwm yam. Nrog rau cov nroj tsuag tsis muaj zaub mov, lawv muaj peev xwm hloov mus rau cov nroj tsuag, yog li nws yog advisable mus ntxiv tws pieces ntawm tsev ua zaub thiab txiv hmab txiv ntoo. .