Hammerhead sharks yog ib qho ntawm cov tsiaj hiav txwv zoo nkauj tshaj plaws ua tsaug rau lawv lub taub hau dav, t-shaped. Cov ntsiab lus lom zem rau cov menyuam yaus pab txhawb kev paub thiab kev nkag siab ntawm cov tsiaj txhu ib leeg.
Lub cev ntas
Cov yam ntxwv tshwj xeeb thiab lub cev ntaj ntsug ntawm hammerhead sharks pab ntau lub hom phiaj thiab saib zoo nkauj. Txawm hais tias lawv tsuas yog ntev npaum li tus txiv neej laus xwb, cov sharks zoo li hnyav thiab tuag taus.
- Lawv muaj ib lub qhov muag ntawm txhua qhov kawg ntawm lawv lub taub hau.
- Hammerheads muaj cov sensors tshwj xeeb ntawm lawv lub taub hau uas ntes hluav taws xob teeb liab ntawm lwm yam tsiaj.
- Lub cev sab saum toj ntawm lawv lub cev yog xim av lossis txiv ntseej ntsuab.
- Tus neeg laus lub taub hau hnyav hnyav npaum li piano.
- Lawv nyob tau 30 xyoo.
- Ib tug hammerhead qhov siab tshaj plaws yog kwv yees li 25 mais ib teev.
- Zoo heev rauj yog qhov loj tshaj ntawm cuaj hammerhead shark hom.
- Lub rauj taub hau tuaj yeem pom nce thiab nqis tib lub sijhawm.
Hammerhead Habitat and Diet
Koj puas tau xav txog lub neej niaj hnub ntawm shark? Tshawb xyuas cov lus tseeb no txog qhov lawv nyob qhov twg thiab lawv noj dab tsi.
- Lawv nyiam dej kub.
- Hammerheads feem ntau nyob ze coral reefs.
- Ntau hom hammerheads tsiv mus nyob ze rau ntawm txoj kab nruab nrab thaum lub caij ntuj no.
- Cov chaw nrov nrhiav cov sharks suav nrog Columbia, Costa Rica, thiab Hawaii.
- Koj tuaj yeem pom hammerheads raws ntug dej hiav txwv ntawm North thiab South America, Africa, Australia, thiab Asia.
- Lawv nyiam cov zaub mov yog stingray.
- Hammerheads qee zaum siv lawv lub taub hau dav los pin cov tsiaj ua ntej noj lawv.
- hom me me, zoo li lub kaus mom, noj crabs thiab cw.
- Tsis zoo li lwm cov sharks, cov txiv neej no yos hav zoov ib leeg.
Tsev neeg lub neej
Thaum cov hammerheads tsis nyob hauv tsev neeg li koj li, lawv feem ntau mus ncig ua pab pawg. Txij li thaum lawv yug los, cov me nyuam hammerheads yuav tsum tau kawm saib xyuas lawv tus kheej hauv dej hiav txwv txaus ntshai.
- Me nyuam hammerheads hu ua pups.
- Ntxhais niam yau tuaj yeem yug tau 50 tus menyuam ib zaug.
- Pab pawg ntawm cov sharks no hu ua tsev kawm lossis shoal.
- Tus poj niam lub taub hau loj dua, tus menyuam dev yuav muaj ntau dua hauv ib lub litter.
- Zoo ib yam li tib neeg, poj niam shark cev xeeb tub li 8 mus rau 10 lub hlis.
- Ntxhais niam txiv tsis saib xyuas lawv cov menyuam tom qab yug los.
- Cov sharks nyob hauv tsev kawm ntawv txog li 500 leej uas nyob ua ke thaum nruab hnub thiab sib cais hmo ntuj.
Kev ruaj ntseg
Rau qee hom hammerhead sharks, muaj ntau yam txaus ntshai nyob hauv dej hiav txwv. Yuav luag tag nrho cov kev piam sij no rov qab los rau tib neeg.
- Hammerhead sharks tau nyob ib puag ncig txij li tsawg kawg 23 lab xyoo dhau los.
- Ntxhais zoo nkauj, tis taub hau shark, thiab scalloped hammerhead yog txhua yam uas yuav muaj kev puas tsuaj.
- Kev nuv ntses ntau dhau thiab kev lag luam tsis raug cai yog ob qho kev phom sij loj tshaj plaws rau cov sharks.
- Ntxhais hammerhead thiab golden hammerhead yog teev raws li qhov yooj yim, ib kauj ruam hauv qab no endangered.
- Raws li Virginia Marine Resources Commision, "Nws yog ib qho txhaum cai rau txhua tus neeg kom muaj kev lom zem ua si zoo heev, scalloped hammerhead, los yog tus hammerhead shark uas tsawg dua 78 ntiv tes ntev."
- Kev txuag kev siv zog yog qhov nyuaj vim tias tsis muaj ntaub ntawv txaus txog cov neeg nyob thoob ntiaj teb.
Ntau Hammerhead Learning Opportunities
Yog tias koj tsis tau txais koj cov ntawv sau ntawm shark trivia, mus saib lwm qhov chaw tshaj tawm no kom paub ntau ntxiv.
- The Shark School series los ntawm Davy Ocean suav nrog yim tshooj phau ntawv hais txog Harry Hammer thiab nws cov phooj ywg hauv dej hiav txwv.
- The Smithsonian Oceanic Collection Series nta Ciaj sia nyob hauv Hiav Txwv: Zaj Dab Neeg ntawm Hammerhead Shark los ntawm Linda S. Lingemann rau cov menyuam yaus tsis paub tseeb saib cov tsiaj txias no.
- Saib Shark Superhighway, PG-rated National Geographic cov ntaub ntawv hais txog hammerhead shark kev txuag.
- Ua koj tus kheej origami shark nrog ib daim ntawv thiab ob peb folds yooj yim.
Hammerhead Shark Frenzy
Nrhiav cov lus teb rau tag nrho koj cov lus nug kub kub txog hammerhead sharks nrog cov lus qhia yooj yim txog cov tsiaj zoo li no. Tom qab nyeem tag nrho lawv, lub taub hau rauj tej zaum yuav dhau los ua koj tus hlub tshiab shark.
