22 hom jellyfish - Lub npe, yam ntxwv thiab piv txwv nrog PHOTOS

Cov txheej txheem:

22 hom jellyfish - Lub npe, yam ntxwv thiab piv txwv nrog PHOTOS
22 hom jellyfish - Lub npe, yam ntxwv thiab piv txwv nrog PHOTOS
Anonim
Hom jellyfish fetchpriority=siab
Hom jellyfish fetchpriority=siab

Jellyfish yog ib tug ntawm cov tsiaj ntshai tshaj plaws uas nyob hauv dej hiav txwv, feem ntau vim lawv mob thiab txawm tias Kuj tseem muaj cov lus dab neeg ntawm cov jellyfish loj heev uas muaj peev xwm ua rau nkoj nkoj. Tsis muaj qhov tsis lees paub tias ntau tus jellyfish yog qhov txaus ntshai, tab sis nws yog lawv txoj kev pub mis. Lawv tsis nquag plob hav zoov lawv cov tsiaj, tsuas yog tos ua siab ntev kom nws poob rau lawv cov tentacles ntev.

Nyob rau hauv tsab xov xwm no peb tham txog 22 hom jellyfish uas muaj nyob, txhua tus xav tsis thoob tshaj qhov kawg. Immortal, lom, loj heev…Koj yuav nyiam nrhiav tau lawv!

Chaw ua si ntawm jellyfish

Jellyfish ua ib lub phylum ntawm cov tsiaj hu ua Cnidaria. Nws suav nrog qee qhov 10,000 hom jellyfish uas tsuas yog 20 hom yog dej tshiab, tus so yog marine. Nws lub cev yog tus cwj pwm los ntawm kev muaj radial symmetry , uas yog, peb tuaj yeem faib cov tsiaj nrog cov kab xav thiab tau ntau qhov sib npaug.

Piv txwv li, tag nrho cov vertebrate tsiaj muaj ob sab symmetry, peb tsuas faib peb tus kheej mus rau hauv ob qhov sib npaug, sab xis thiab sab laug. Nws kuj yog ib qho ntawm cov tsiaj uas tsis muaj lub hauv paus paj hlwb. Qee tus yam ntxwv ntawm jellyfish uas peb tuaj yeem qhia tau yog:

  • Lub cev ntawm jellyfish tau teeb tsa ua lub hnab dig muag nrog ib lub qhov: nws ua raws li kev nkag rau zaub mov thiab tawm rau pov tseg uas nws nyob rau hauv qis los yog apolar cheeb tsam, uas yog, nws ua raws li ob lub qhov ncauj thiab qhov quav tib lub sij hawm.
  • Hauv lub hnab no peb pom lub plab zom mov hu ua gastrovascular kab noj hniav, gastrocele los yog coelenteron: nws ua ob qho tib si los ntawm kev zom zaub mov thiab xa cov as-ham thiab oxygen rau lub cev tag nrho.
  • Lawv muaj lub kaus: nws yog tus ncej opposite lub qhov ncauj uas zoo li tus tswb los yog kaus, tsim lub kaus yam ntxwv ntawm Cov tsiaj no.
  • Txawm hais tias lawv qhov yooj yim, jellyfish tau tsim heev sense organs: nyob ntawm ntug lub kaus. Ntawm no peb pom visual organs, hu ua ocelli and stationary organs hu ua statocysts , siv los tso nyiaj tshuav
  • Cov tsiaj no kuj muaj qee yam specialized cells hu ua cnidocysts: Ntawm cov jellyfish, peb pom ntau hom cnidocyst, feem ntau yog, nematocyst hom cnidocyst no stinging, nws txoj haujlwm yog yos hav zoov thiab tiv thaiv. Lub nematocyst pom nyob rau hauv tentacles ntawm cov tsiaj no thiab, los ntawm lawv, lawv ua rau tom. Lwm yam tseem ceeb yog cov pticocysts, cov no tso cov hnoos qeev uas ua haujlwm los ntes cov tsiaj me lossis cov khoom noj muaj txiaj ntsig.

Lwm yam tseem ceeb ntawm cov tsiaj no yog lawv muaj ob lub cev:

  • The polyp form: uas feem ntau yog benthic thiab nyob anched rau seabed, nws kuj nquag colonial.
  • The jellyfish form: planktonic thiab feem ntau ib leeg.

Tseem muaj hom uas tsuas muaj daim ntawv polyp xwb, lwm tus tsuas yog jellyfish thiab lwm tus uas muaj ob daim ntawv nyob rau hauv lawv lub neej voj voog.

Hom jellyfish - yam ntxwv ntawm jellyfish
Hom jellyfish - yam ntxwv ntawm jellyfish

jellyfish nyob qhov twg?

Jellyfish yog , yog li ntawd sab nraum qhov chaw no lawv qhuav sai heev vim 90% ntawm lawv lub cev yog dej, li no lawv feem ntau yog. hu ua "aguamala" los yog "aguaviva". Cov tsiaj no yog planktonic , uas yog, lawv nyob dawb hauv dej hiav txwv yam tsis tau thauj mus rau qhov twg. Lawv nqa los ntawm cov dej txias thiab dej sov los ntawm cov dej hiav txwv, lawv tsuas tuaj yeem txav mus los nce lossis nqis nyob rau hauv kab dej.

Saib cov lus no ntawm peb qhov chaw hais txog Qhov Ua Tau Jellyfish Nyob? Yog xav paub ntxiv txog qhov kev kawm.

jellyfish noj dab tsi?

Jellyfish tuaj yeem ua tau predatory los yog suspensivorous, yog li ntawd lawv txawm mus yos hav zoov los yog lim dej nyob ib ncig ntawm lawv, yog li ntxiab cov khoom noj me me. Mus yos hav zoov ntses, hauv nws cov tentacles peb pom cnidocysts, cov hlwb uas muaj cov tshuaj ntsiav uas muaj cov kua nplaum los yog cov kua nplaum nplaum, nyob ntawm seb hom, thiab cov filament. Nws raug rho tawm los ntawm cilia hu ua cnidocilium rhiab rau kov.

Prey caum tsis tau. Cov ntses yuav tsum tau ze rau ntawm jellyfish thiab txhuam nws cov tentacles, uas tej zaum yuav ntev li ob peb meters thiab imperceptible, mus qhib lub cnidocysts. Thaum cov ntses nres, nrog kev pab ntawm tentacles lawv coj los ze rau ntawm lub qhov ncauj, hla mus rau hauv lub plab zom mov.

Yog xav paub ntxiv txog cov ntsiab lus, tsis txhob yig mus sab laj kab hauv qab no txog Dab tsi jellyfish noj?

Hom jellyfish - jellyfish noj dab tsi?
Hom jellyfish - jellyfish noj dab tsi?

Poisonous Jellyfish

Tam sim no peb tau pom lawv cov yam ntxwv, nrog rau lawv nyob qhov twg thiab lawv noj dab tsi, cia peb kawm txog qee yam piv txwv ntawm cov kab mob jellyfish lom. Tsis yog txhua tus jellyfish muaj tshuaj lom, txhua yam nyob ntawm seb hom cnidocyst lawv muaj.

Tsuas yog cov uas muaj nematocysts raug suav hais tias yog tshuaj lom thiab ua rau lawv cov tsiaj tuag los ntawm cov kua qaub uas ua rau lub cev muaj zog heev. Qee hom tshuaj lom ntawm jellyfish yog:

  • Sea nettle jellyfish (Chrysaora fuscescens).
  • Lion's mane jellyfish (Cyanea capillata): nws kuj yog hom ntses loj heev.
  • Portuguese man-of-war los yog Portuguese jellyfish (Physalia physalis).
  • irukandji jellyfish (Carukia barnesi).
  • Sea Wasp (Chironex fleckeri).
  • Cannonball jellyfish (Stomolophus meleagris).
  • Qhia jellyfish (Aurelia aurita).
  • Blue jellyfish (Rhizostoma pulmo).
  • Luminescent jellyfish (Pelagia noctiluca).
  • Radiated acalefo los yog aguamar (Chrysaora hysoscella).

Puas muaj jellyfish uas tsis sting? Tshawb nrhiav cov lus teb.

Hom jellyfish - Poisonous jellyfish
Hom jellyfish - Poisonous jellyfish
Hom jellyfish
Hom jellyfish

Giant jellyfish

Cov chav kawm Jellyfish muaj ntau qhov ntau thiab tsawg. Qee qhov me me uas lawv tuaj yeem haum ntawm lub ntsis ntiv tes, zoo li cov ntaub ntawv nrog irukandji jellyfish. Txawm li cas los xij, nws qhov sting tsis yog qhov txaus ntshai ntxiv lawm.

Lwm cov jellyfish muaj qhov loj me, siab tshaj li ob metres hauv txoj kab uas hla thiab hnyav dua 200 kilograms. Yog hais tias peb kuj ntsuas lub tentacles, ib co jellyfish yuav ntsuas ntau tshaj 30 meters nyob rau hauv ntev, piv txwv li lub arctic tsov ntxhuav mane jellyfish, uas kuj yog ib tug ntawm cov loj tshaj plaws jellyfish.. Tab sis tsis muaj leej twg tuaj yeem sib tw nrog giant jellyfish nomura (Nemopilema nomurai) nrog ntau dua 3 meters inch

Hom jellyfish - Giant jellyfish
Hom jellyfish - Giant jellyfish

Immortal jellyfish

Ib txhia jellyfish muaj lub peev xwm tshwj xeeb uas ua rau lawv tsis txawj tuag Peb tab tom tham txog Turritopsis nutricula hom. Hom jellyfish no, thaum nws mus txog rau nws cov neeg laus lub xeev, uas yog, theem ntawm nws lub neej nyob rau hauv uas nws reproduces thiab, nyob rau hauv tas li ntawd, muaj ib tug zoo li jellyfish, nws muaj peev xwm rov qab mus rau nws polyp lub xeev, txuas nws tus kheej mus rau lub seabed dua kom txog thaum ib puag ncig tej yam kev mob yog conducive rov qab mus rau nws cov laus lub xeev.

Yog koj xav paub ntau ntxiv txog lub voj voog kev loj hlob ntawm hom jellyfish, tsis txhob nco peb tsab xov xwm ntawm Kev yug me nyuam ntawm jellyfish.

Hom jellyfish - Immortal jellyfish
Hom jellyfish - Immortal jellyfish

Nyob ntawm jellyfish nyob rau Mediterranean

Nyob hauv Hiav Txwv Mediterranean peb nrhiav tau ntau hom jellyfish, muaj qee yam txaus ntshai thiab lawv muaj nyob rau ntawm ntug dej ua rau muaj kev txwv. ntawm ua luam dej ntawm ntug hiav txwv dej. Cov npe ntawm Mediterranean jellyfish yog:

  • Portuguese man-of-war (Physalia physalis).
  • Radiated acalefo los yog aguamar (Chrysaora hysoscella).
  • Fried egg jellyfish (Cotylorhiza tuberculata).
  • Luminescent jellyfish (Pelagia noctiluca).
  • Moon jellyfish (Aurelia aurita).
  • Aequorea jellyfish (Aequorea forskalea).
  • Jellyfish aguamala or aguaviva (Rhizostoma pulmo).
  • Cubo jellyfish (Carybdea marsupialis).
  • Inverted jellyfish (Cassiopea andromeda).
  • Sailboat jellyfish (Velella velella).

Tso nrhiav tau ntawm peb lub xaib

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