Giant npliag deg - cov coob shellfish

Kuv paub hais tias muaj ntau yam ntawm koj tau hnov hais tias lub biggest npliag deg twb ntes tau nyob rau hauv 1956 tawm lub ntug dej hiav txwv ntawm lub Japanese kob ntawm Ishigaki. Lawv muab tau giant npliag deg, vesivshaya 333 kg nrog ib tug ntev ntawm 1.16 meters. Tom qab nyeem ntawv hnub no tus tsab xov xwm, koj mam li kawm ntxiv txog cov neeg uas nyob ntawm lub underwater depths.

vaj tse

Cov neeg loj thiab siab nyob hauv lub depths ntawm lub Indian thiab Pacific Oceans. Tab sis qhov tiag nceeg vaj ntawm qwj yog suav tias yog lub Great Barrier Reef, situated ntawm ntug dej hiav sab hnub tuaj teb chaws Australia. Nws yog ntawm no, nyob rau hauv lub loj heev rau tej qhov chaw ntawm ntiav, densely overgrown nrog tag nrho cov hom ntawm corals, lub tsev mus rau qhov loj tshaj plaws shellfish.

Nyob rau hauv tas li ntawd, nws yuav pom nyob rau hauv lub hiav txwv liab. Nws yog nthuav tias lawv nyob yog tsis tsuas dej ntiav ntiav, tiam sis kuj lub tob ntawm tsis muaj ntau tshaj ib puas meters.

yam ntxwv nta

Giant npliag deg plhaub muaj ib tug lossis loj muaj ob flaps qhia upward. Tuav txoj cai mollusc yog tsis muaj lwm yam tshaj li ntawm daim tawv nqaij folds. Nws muaj ob khaubncaws sab nraud povtseg. Sab nraum zoov - ferrous thiab muab tso rau hauv domestic tshwj xeeb cilia taw los ntawm kev uas dej nkag mus rau hauv mantle kab noj hniav.

Nyob rau hauv tas li ntawd, qhov loj tshaj plaws shellfish nyob rau hauv lub ntiaj teb no muaj gills, li hloov ctenidium. Txhua yam ntawm lawv muaj ob phaj feem. Cov halves yog kev cob cog rua rau txhua lwm yam los ntawm txoj kev thiaj li hu ua filiform petals. Gills qwj ua lub lim muaj nuj nqi, lim tawm cov khoom noj seem. Tsis tas li ntawd no lossis loj sib sib zog nqus hiav txwv dweller, muaj V-zoo li tus raum, ib kawg ntawm uas yuav qhib rau hauv lub pericardium, thiab lub thib ob - nyob rau hauv lub mantle kab noj hniav.

Qhia qhov tseemceeb txog tsos

Cia li nco ntsoov tias qhov no giant npliag deg nyiam nrog nws loj. Nws ntev yuav ua tau mus rau ib tug thiab ib tug ib nrab meters, thiab tus luj yog hais txog ob puas kilograms. Nyob rau hauv tas li ntawd, peb paub officially sau npe tus neeg mob ntawm txais ntau impressive nrws. Raws li hais ua ntej lawm, qwj, ntes tau cov Japanese ntug dej hiav txwv, poob mus rau hauv Phau Ntawv Cov Ntaub Ntawv.

Interestingly, qhov nruab nrab lub neej expectancy ntawm cov loj loj creatures yog hais txog peb centuries. Qhov loj tshaj plaws npliag deg amazing ntau yam ntawm cov xim. Nyob rau hauv cov xwm, muaj gray, daj, xiav, maub xiav, turquoise, ntsuab thiab xim av cov neeg. Nws yog muaj pov thawj hais tias cov Hawj txawm txiav txim los ntawm cov xim ntawm unicellular algae nyob rau hauv lub mantle ntawm giants. Raws li rau lub dab ntxuav tes, nws cov xim yog tsis yog li ntawd ntau haiv neeg. Feem ntau, nws yog them nrog av hais.

tu tub tu kiv

Cia li nco ntsoov tias cov biggest npliag deg - ib tug hermaphrodite. Tab sis lawv yog cov cim nyob rau hauv hais tias lawv muaj lub peev xwm los ntoo khaub lig-fertilization. Qhov loj cov pejxeem loj qwj, lub siab dua qhov uas yuav muaj cov tsos ntawm lawv neej yav tom ntej offspring. Nws yog lub npe hu hais tias ib tug paub tab cov neeg muaj peev xwm mus muab pov ob peb lab qe.

Raws li ib tug tshwm sim ntawm fertilization ntawm lawv tshwm sim me me qe, thiab tom qab ntawd lawv tig mus rau hauv kab nrog mos zoo li, hu ua trochophores. Rau tom ntej no kaum plaub hnub, lawv tsiv mus nyob nrog rau lub plankton nyob rau hauv lub hiav txwv dej. Loj hlob li, lawv tog mus rau hauv qab thiab pib los mus nrhiav rau qhov zoo tagnrho chaw rau yav tom ntej lub tsev. Thaum pom ib tug haum substrate hluas tridacna los rau nws los ntawm txoj kev byssus threads. Raws li lawv tsim cov maj tuag Symptoms. Matured neeg ntsiag to dag nyob rau hauv qab, tuav nws los ntawm nws tus kheej yuag.

Yuav ua li cas noj cov biggest npliag deg?

Lub hauv paus ntawm nws noj cov zaub mov yog plankton thiab slurry muaj organic hais nyob rau hauv cov dej kem. Fais fab yog nkag los ntawm filtering kua uas nkag mus rau hauv lub mantle kab noj hniav tridacna. Cov zaub mov yog tov nrog dej, yog tsiv vim cilia. Raws li ib tug tshwm sim, nyob rau hauv lub qhov ncauj npliag deg, uas yog nyob ze rau pem hauv ntej nqaij contactor, lub me me pieces of zaub mov los pre-sib cais los ntawm cov mineral impurities. Los yeej muaj lawv mus rau hauv txoj hlab nqos mov thiab ces lub plab. Cov yav tas txoj sia ncaim ntawm foregut, maj transforms rau hauv lub rov qab.

Nyob rau hauv tas li ntawd, cov giant inhabitants ntawm lub sib sib zog nqus hiav txwv pub rau symbiotic algae, los yog zooxanthellae. Lawv nkaum nyob rau hauv lub tuab folds ntawm lub mantle kab noj hniav ntawm cov mollusc thiab periodically mus zom lawv.

daim ntawv thov

Txij ancient sij hawm, lub plhaub ntawm no zoo nkauj giant siv nyob hauv zos raws li ib lub tsev khoom. Nyob rau hauv tas li ntawd, lawv ua txhua yam ntawm crafts thiab tsev neeg cov khoom. Tsis tas li ntawd los ntawm cov tis sawed vajvoog khiav lag luam npib muaj nuj nqi.

Qee zaus rau Tridacnids plob hav zoov rau pearls. Raws li ib co lus ceeb toom, nyob rau hauv ib tug piv txwv shellfish hnyav heev tau raug pom txog xya kilograms, thiab nyob nees nkaum peb centimeters ntev. Nyob rau hauv xyoo tsis ntev los, lub plhaub ntawm cov creatures koom snapping tourists. Yog li ntawd, qhov luaj li cas ntawm cov pejxeem tau zuj zus lawm qwj.