Qhov txawv ntawm Stingray thiab Manta Ray

Qhov txawv ntawm Stingray thiab Manta Ray
Qhov txawv ntawm Stingray thiab Manta Ray

Video: Qhov txawv ntawm Stingray thiab Manta Ray

Video: Qhov txawv ntawm Stingray thiab Manta Ray
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
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Stingray vs Manta Ray

Cov ntses Cartilaginous yog cov tsiaj ntxim nyiam nrog ntau tus yam ntxwv sib txawv uas lawv sib koom nrog lawv, tab sis qhov sib txawv hauv pab pawg kuj tseem xav paub. Stingray thiab manta ray yog ob qho ntawm cov ntses cartilaginous uas nthuav tawm qee qhov sib txawv ntawm lawv. Lawv cov yam ntxwv thiab qhov sib txawv tseem ceeb ntawm lawv tau tham hauv kab lus no.

Stingray

Stingray yog ib pawg ntses ntau dua li ib hom. Tseeb tiag, stingrays yog cov tswv cuab ntawm taxonomic Suborder hu ua Myliobatoidei, uas suav nrog txog 100 hom uas tau muab faib ua yim tsev neeg. Stingrays, qee zaum hu ua stingers, muaj lub cev me me uas ntsuas txog 35 centimeters ntev. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lawv tuaj yeem ua rau muaj kev phom sij rau lwm yam tsiaj xws li tib neeg uas lawv muaj peev xwm sting los ntawm cov qog venom nyob rau hauv qab. Txawm li cas los xij, stingrays feem ntau tsis ua rau mob venom rau tib neeg, tab sis qee zaus stingings tau ua rau muaj kev raug mob hauv zos, mob o, thiab mob pob qij txha.

Stingrays muaj ib lossis ob peb qhov barbed stings ntawm ventral sab ntawm tus Tsov tus tw, thiab lub peev xwm stinging yog ib qho tseem ceeb rau lawv txhawm rau txhawm rau tua tsiaj. Cov no yog carnivores; Txawm li cas los xij, lawv tsis siv lawv lub qhov muag dorsal los nrhiav tus neeg raug tsim txom. Stingers tau txais koob hmoov nrog kev hnov tsw zoo heev, thiab lawv muaj cov khoom siv hluav taws xob, uas tau siv ua ke los txheeb xyuas thiab pom cov tsiaj nyeg. Stingrays tau dav faib nyob rau hauv txhua qhov chaw sov thiab subtropical marine dej thaum qee hom tuaj yeem nyob hauv hiav txwv huab cua, thiab. Txawm hais tias muaj kev faib tawm thoob ntiaj teb, ntau yam ntawm lawv cov tsiaj tau raug txheeb xyuas tias muaj kev phom sij lossis muaj kev phom sij.

Manta Ray

Muaj ob hom manta rays hu ua Manta alfredi thiab Manta birostris, thiab nyob rau hauv hom lus, reef manta ray thiab dej hiav txwv manta ray feem. Lawv yog cov tswv cuab tseem ceeb ntawm tag nrho cov kab hluav taws xob vim lawv lub cev loj heev. Qhov tseeb, manta rays yog cov kab loj tshaj plaws nrog ntau dua 7 meters ntawm qhov dav. Lub cev hnyav li ib txwm tuaj yeem ncav cuag 1350 kilograms hauv ib tus neeg laus manta ray. Lawv daim duab peb sab zoo li lub cev loj muaj paddle-zoo li lobes nyob rau hauv pem hauv ntej ntawm lub qhov ncauj. Lub qhov ncauj yog loj thiab nyob rau hauv pem hauv ntej nrog 18 kab ntawm cov hniav nyob rau hauv lub puab tsaig sab. Cov tsiaj loj no muaj nyob rau ntawm ob qho chaw sov thiab subtropical marines. Manta rays qhia txog tus cwj pwm ntxim nyiam uas lawv cia lwm cov ntses (xws li remora, wrasse, thiab angelfish) pub rau cov khoom nyob hauv cov gills. Yog li ntawd, manta rays tshem tawm cov khoom tsis xav tau ntxiv rau cov kab mob cab. Qhov kev coj cwj pwm no yog ib qho piv txwv zoo rau kev sib koom tes. Cov elasmobranch nthuav dav no yog dorsally tsaus xim thiab ventrally lub teeb xim.

Dab tsi yog qhov txawv ntawm Stingray thiab Manta Ray?

• Stingray is a group of rays with about 100 hom, hos tsuas muaj ob hom manta rays xwb.

• Manta ray loj thiab hnyav dua stingrays.

• Stingray has barbed stings but not manta ray.

• Stingray tuaj yeem tsim kev puas tsuaj rau tib neeg, tab sis tsis muaj kev sib tsoo ntawm cov neeg taug kev los ntawm manta rays.

• Manta rays pom muaj feem ntau nyob ib puag ncig cov dej kub thiab tsis tshua muaj nyob rau hauv subtropics, whereas stingrays nyob rau lub caij ntuj sov, subtropical, thiab qee zaus temperate marine waters.

• Manta rays tau txais lawv cov gills ntxuav los ntawm lwm cov ntses nquag tab sis tsis yog stingrays.

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