dogfish, (txiav Squaliformes), ib qho ntawm ob peb lub me me sharksnce kev txiav txim ntawm chondrichthyian ntses tsim los ntawm tsev neeg Centrophoridae (gulper sharks), Dalatiidae, Echinorhinidae, Etmopteridae, Oxynotidae, Somniosidae, thiab Squalidae. Hauv North America lub npe kuj siv rau cov ntses dej tshiab, lub bowfin.
Puas dogfish noj zoo?
Yog, qhov no ntses yog noj tau thiab qee zaum, txawm tias tus nyiam nyiam hauv ntau lub tais. Nyob rau hauv daim ntawv ntawm fillets, ntau tus neeg nyiam noj ntses hais tias hom ntses no qab thiab ib qho ntawm lawv nyiam! Ntxiv rau qhov noj tau thiab qab, dogfish yeej noj qab nyob zoo, ib yam nkaus.
Puas dev ntses yog ntses tiag?
Dogfish yog ib lub npe rau Scoliodon. Nws yog ib hom shark, uas yog cov ntses cartilaginous, muab cais raws li subclass chondrichthyes hauv chav kawm Pisces. Nws yog ib ntses tiag tiag uas poob rau hauv phylum chordata.
Puas yog dogfish lom?
Raws li lawv lub npe qhia, spiny dogfish sharks sport sharp, venomous (poisonous) spines nyob rau hauv pem hauv ntej ntawm txhua dorsal fin. Lawv lub cev yog tsaus grey saum toj no thiab dawb hauv qab, feem ntau nrog dawb pom ntawm ob sab.
Vim li cas dogfish hu ua dogfish?
Lub npe "dogfish" originated los ntawm cov neeg nuv ntses uas piav txog cov ntses no raws li caum cov ntses me hauv cov dev loj zoo li "pob".
