Qhov sib txawv tseem ceeb ntawm gag thiab dub grouper yog gag yog ib hom ntawm marine ray-finned ntses feem ntau pom nyob rau sab hnub poob dej hiav txwv Atlantic los ntawm qaum teb sab hnub tuaj United States mus rau Brazil, thaum dub grouper yog ib hom marine ray- Cov ntses finned feem ntau pom nyob rau hauv qhov sov sov ntawm West Atlantic Dej hiav txwv, suav nrog Caribbean thiab Gulf of Mexico.
Ray-finned ntses yog clade (chav kawm lossis sub-class) ntawm cov ntses pob txha. Cov tswv cuab ntawm chav kawm no yog hu ua ray-finned ntses. Lawv suav nrog ntau dua 50% ntawm cov tsiaj vertebrate nyob.
Gag yog dab tsi?
Gag yog ib hom ntses marine-finned ntses uas pom muaj nyob rau sab hnub poob Atlantic hiav txwv los ntawm sab qaum teb Tebchaws Meskas mus rau Brazil. Lub npe scientific ntawm hom ntses marine yog Mycteroperca microlepis. Nws yog ib tug drab mottled grey ntses uas tsis muaj qhov txawv ntawm lwm yam groupers. Cov tsiaj no muaj lub cev zoo oblong uas yog tom qab compressed. Qhov tob ntawm lub cev yog tsawg dua qhov ntev ntawm lub taub hau. Qhov tob yog roughly sib npaug ntawm qhov tob ntawm lub hauv paus chiv keeb ntawm dorsal fin thiab ntawm qhov quav fin keeb kwm. Lub dorsal fin muaj 11 spines thiab 16 mus rau 18 mos rays, thaum lub qhov quav fin muaj 3 spines thiab 10 mus rau 12 mos rays.
Daim duab 01: Gag
Cov menyuam yaus thiab cov neeg laus gag hom muaj qhov nyiam nyob sib txawv. Cov menyuam yaus muaj nyob hauv estuaries thiab txaj ntawm seagrass. Ntawm qhov tod tes, cov neeg laus pom nyob deb ntawm ntug dej hiav txwv hla cov pob zeb substrates ntawm qhov tob ntawm 10 mus rau 40 meters thiab tau sau tseg kom tob li 152 meters. Muaj cov lus ceeb toom ntawm ciguatera lom ntawm tib neeg tom qab noj cov nqaij ntawm Gag hom. Cov tsiaj no raug hem los ntawm thiab yog qhov yooj yim rau overfishing. Yog li ntawd, Mexico thiab Tebchaws Meskas twb tau qhia txog kev txuag.
Dub Grouper yog dab tsi?
Black grouper yog hom ntses marine ray-finned ntses feem ntau pom nyob rau hauv qhov sov sov ntawm West Atlantic Dej hiav txwv, suav nrog Caribbean thiab Gulf of Mexico. Lub npe scientific ntawm hom no yog Mycteroperca bonaci. Nws muaj oblong thiab tom qab compressed lub cev. Nws lub cev muaj tus qauv ntev ntawm 3.3 txog 3.5 npaug ntawm nws qhov tob. Tsis tas li ntawd, nws muaj qhov sib npaug sib npaug ntawm cov preopercle uas tsis muaj incisions lossis lobes ntawm nws lub kaum sab xis. Lub dorsal fin muaj 11 spines thiab 15 mus rau 17 mos rays, thaum lub qhov quav fin muaj 3 spines thiab 11 mus rau 13 mos rays. Ob lub fins muaj cov npoo sib npaug.
Daim duab 02: Dub Grouper
Black grouper yog ib hom kab uas nyob hauv qab pob zeb thiab coral reefs ntawm qhov tob ntawm 10 mus rau 30 meters. Txawm li cas los xij, nyob rau sab hnub tuaj Gulf of Mexico, cov tsiaj no feem ntau ntsib ntawm qhov tob ntawm ntau dua 30 meters. Tsis tas li ntawd, cov tsiaj txhu sau tseg ntawm Black grouper suav nrog sanbar shark, zoo rauj taub hau, zoo barracuda, thiab moray eels. Cov pab pawg dub yog tus tswv rau ntau yam kab mob sib kis, suav nrog cov kab mob endoparasites, uas cuam tshuam rau lub plab thiab hnyuv, thiab ectoparasites, uas nyob ntawm daim tawv nqaij.
Dab tsi zoo sib xws ntawm Gag thiab Dub Grouper?
- Gag thiab dub grouper yog ob hom clade ntawm ray nplua ntses.
- Ob hom muaj nyob rau hauv subfamily Epinephelinae, uas yog ib feem ntawm tsev neeg Serranidae.
- Ob hom muaj oblong thiab tom qab compressed lub cev.
- Lawv raug hem thiab raug kab mob.
- Lawv nuv ntses rau tib neeg noj.
Dab tsi yog qhov txawv ntawm Gag thiab Dub Grouper?
Gag yog ib hom ntses marine ray-finned ntses pom muaj nyob rau hauv Western Atlantic Dej hiav txwv los ntawm qaum teb sab hnub tuaj United States mus rau Brazil, thaum dub grouper yog ib hom marine ray-finned ntses feem ntau pom nyob rau hauv warmer qhov chaw ntawm sab hnub poob. Dej hiav txwv Atlantic, suav nrog Caribbean thiab Gulf of Mexico. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm gag thiab dub grouper. Lub npe scientific ntawm gag yog Mycteroperca microlepis, thaum lub npe scientific ntawm cov dub grouper yog Mycteroperca bonaci.
Cov hauv qab no infographic nthuav tawm qhov sib txawv ntawm gag thiab dub grouper hauv daim ntawv tabular rau ib sab ntawm kev sib piv.
Summary – Gag vs Black Grouper
Gag thiab dub grouper yog ob hom clade ntawm ray nplua ntses. Gag feem ntau pom nyob rau sab hnub poob Atlantic Dej hiav txwv los ntawm qaum teb sab hnub tuaj Tebchaws Meskas mus rau Brazil, thaum cov pawg dub feem ntau pom muaj nyob hauv thaj chaw sov ntawm West Atlantic Dej hiav txwv, suav nrog Caribbean thiab Gulf of Mexico. Yog li, qhov no yog qhov sib txawv tseem ceeb ntawm gag thiab dub grouper.
