Tus American halfbeak muaj lub cev ntev, tawv nqaij, tannish-ntsuab ntsuab nrog lub plab silvery. Nws loj hlob txog 7 ntiv ntev. Nws lub puab tsaig qis, uas muaj lub cev nqaij daim tawv liab, ntev npaum li nws lub puab tsaig sab sauv.
Kev sib tw Halfbeaks loj npaum li cas?
A wrestling halfbeak (Dermogenys pusilla) yog hom ntses sib deev dimorphic. Cov poj niam siab dua cov txiv neej, ncav cuag 3 hauv (7 cm) ntev, thaumtxiv neej tsuas muaj 2.2 hauv (5.5 cm) thiab muaj xim liab lossis daj ntawm lawv lub dorsal fin thiab beak, thiab lawv qhov quav qhov quav yog daj edged nrog dub.
Yuav ua li cas Wrestling Halfbeaks noj?
Kev sib tw ib nrab yog cov ntses noj ntses thiab noj ntau yam me me invertebrates suav nrog crustaceans thiab kab larvae, tab sis tshwj xeeb tshaj yog yoov tshaj cum thiab kab ya uas tau poob rau saum npoo ntawm dej.
Patinum Halfbeaks tau txais loj npaum li cas?
Tus neeg laus qhov nruab nrab: 2 - 2.8 ntiv (5 - 7.1 cm). Cov poj niam loj dua cov txiv neej. Qhov nruab nrab yuav loj: 1 - 2 ntiv tes (2.5 - 5 cm)
Halfbeaks yooj yim yug?
Tsis yooj yim rau yug me nyuam kom ntau li ntau tau, txawm tias nws yeej ua tau. Qhov nyuaj tsis yog dag nrog inducing ntses rau yug me nyuam, tab sis hais tias ntau tus poj niam muab yug rau tseem yug los kib. … Lawv yog yoojyim yooj yim rau pub thiab nce, txais cov khoom noj qhuav qhuav thiab brine cw nauplii txij thaum yug los.
