Whale shark feeding

Cov txheej txheem:

Whale shark feeding
Whale shark feeding
Anonim
Whale Shark Feeding
Whale Shark Feeding

The Whale Shark yog ib cov ntses uas ua rau muaj kev txhawj xeeb tshaj plaws. Piv txwv li, nws puas yog shark lossis whale? Undoubtedly, nws yog ib tug shark thiab muaj lub physiology ntawm lwm yam ntses, txawm li cas los xij, nws lub npe tau muab los ntawm nws qhov loj, vim nws tuaj yeem ncav cuag 12 meters ntev thiab hnyav tshaj 20 tons.

whale shark nyob hauv dej hiav txwv thiab hiav txwv ze ntawm lub tropics, vim nws xav tau chaw sov so, pom nyob rau hauv qhov tob ntawm kwv yees li 700 meters.

whale shark muaj lub qhov ncauj loj heev, nws lub qhov ncauj muaj peev xwm ntsuas kwv yees li 1.5 meters dav, nws lub puab tsaig yog heev. muaj zog thiab muaj zog thiab nyob rau hauv peb pom ntau kab ua los ntawm cov hniav me me thiab ntse.

Txawm li cas los xij, whale shark noj nws cov zaub mov zoo ib yam li baleen whales (xws li xiav whale), vim muaj ntau cov hniav nws tsis ua lub luag haujlwm txiav txim rau nws qhov kev pub mis.

whale shark nqus dej thiab zaub mov los ntawm kev kaw nws lub qhov ncauj, thiab tom qab ntawd cov dej lim los ntawm nws cov gills thiab tshem tawm. Ntawm qhov tod tes, tag nrho cov zaub mov uas siab tshaj 3 millimeters ntawm txoj kab uas hla, raug kaw hauv nws lub qhov ncauj thiab tom qab nqos.

Whale shark feeding - Lub digestive system ntawm whale shark
Whale shark feeding - Lub digestive system ntawm whale shark

whale shark noj dab tsi?

whale shark lub qhov ncauj qhov ncauj loj heev nws yuav haum lub foob, tsis tau cov ntses no feeds on me life forms, tshwj xeeb tshaj yog krill, phytoplankton thiab algae, txawm hais tias nws tseem tuaj yeem noj cov crustaceans me, xws li squid thiab crab larvae, thiab ntses me, xws li sardines, mackerel, tuna thiab anchovies.

whale shark yuav noj cov zaub mov sib npaug li 2% ntawm nws lub cev hnyav txhua hnub. Txawm li cas los xij, nws tuaj yeem mus tsis tau noj rau qee lub sijhawm, raws li muaj lub zog cia.

Whale Shark Feeding - Dab tsi yog whale shark noj?
Whale Shark Feeding - Dab tsi yog whale shark noj?

whale sharks yos hav zoov li cas?

The whale shark locates its food by olfactory cues, qhov no yog ib feem ntawm qhov me me ntawm nws ob lub qhov muag thiab qhov chaw tsis zoo ntawm no.

Yuav noj nws cov zaub mov, tus whale shark sawv ntsug, ua kom nws lub qhov ncauj nyob ze rau ntawm qhov chaw, thiab tsis txhob haus dej tas li, muaj peev xwm nqus nws los ntawm nws. gills, lim, raws li peb tau hais ua ntej, khoom noj.

Whale shark feeding - Yuav ua li cas whale shark yos hav zoov?
Whale shark feeding - Yuav ua li cas whale shark yos hav zoov?

Raws li IUCN (International Union for Conservation of Nature), lub whale shark yog ib hom neeg muaj kev pheej hmoo tuag, uas yog vim li cas kev nuv ntses thiab muag cov tsiaj no raug txwv thiab raug nplua.

Qee whale sharks tseem nyob hauv Nyiv thiab Atlanta, qhov twg lawv tau kawm thiab lawv cov kev yug me nyuam yuav tsum tau yooj yim, uas yuav tsum tseem yog lub ntsiab ntawm txoj kev kawm vim tsawg tsawg paub txog cov txheej txheem kev loj hlob ntawm whale shark.

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