I-channel catfish: le nhlanzi isibona kanjani isiyengo sakho
I-channel catfish: yimuphi umbala wesiyengo le nhlanzi ekwazi ngempela ukuwubona, ekujuleni kwakho nasemanzini akho. Izinhlobo zamakhoni ezingu-2, isiqongo ku-533 nm. Umehluko ohleliwe wemibala engu-54.
Ictalurus punctatus
Kukaliwe kulolu hlobo
Iziqongo zamakhoni ziwukukala okuqondile kwalolu hlobo. Okunye konke kule modeli — i-optics yamanzi, umehluko, ibanga lokubona — kusengukulinganisela, futhi akukho kukho okubikezela ukuthi inhlanzi izohlasela yini. I-retina yalo isebenzisa i-chromophore ye-A2 (i-porphyropsin), edlulisela ukuzwela kwamagagasi amade kudlulele kobomvu kunalokho i-retina ye-A1 ebiyokunika khona. Izinhlanzi eziningi zamanzi amtoti ziyaguqula isilinganiso se-A1/A2 ngenkathi yonyaka nangokushisa, ngakho ukuzwela kwangempela kuyantweza unyaka wonke. Amehlo abuthuntu kakhulu; lolu hlobo luthola ukudla ngamakhemikhali kunokusebenzisa amehlo.
Ukuzwela kwe-spectrum
| Iziqongo zamakhoni | λmax | I-chromophore |
|---|---|---|
| Obufushane | 420 nm | A2 |
| Obuphakathi | 533 nm | A2 |
| Irodi | 525 nm | A2 |
Amarodi yiwo asebenzayo entathakusa, kuhwalala nasebusuku — okuyisikhathi abantu abaningi abadoba ngaso.
Ithebula leziyengo
I-channel catfish: kuhlelwe ngokuthi umbala ngamunye uvela kangakanani kule nhlanzi kulezi zimo. — Anombala, 7 m.
| Umbala | Umehluko | Ibanga lokubona | Ukubona kwenhlanzi | ||
|---|---|---|---|---|---|
| 1 | Chartreuse / omhlophe Umbala oyi-fluorescent | 96 | 1.3 m | Thenga manje | |
| 2 | Omhlophe | 96 | 1.3 m | Thenga manje | |
| 3 | Chartreuse Umbala oyi-fluorescent | 95 | 1.3 m | Thenga manje | |
| 4 | Glow Umbala okhanyayo — awulingiswanga | 94 | 1.3 m | Thenga manje | |
| 5 | Bone | 91 | 1.3 m | Thenga manje | |
| 6 | Isiliva ye-holographic Umbala wensimbi | 88 | 1.3 m | Thenga manje | |
| 7 | Clown | 86 | 1.3 m | Thenga manje | |
| 8 | Ophuzi | 86 | 1.2 m | Thenga manje | |
| 9 | Opinki / omhlophe Umbala oyi-fluorescent | 85 | 1.3 m | Thenga manje | |
| 10 | Sexy shad | 84 | 1.3 m | Thenga manje | |
| Uvela kancane kunayo yonke | |||||
| Omnyama / osasibhakabhaka | 0 | 44 cm | |||
| Omnyama | 0 | 43 cm | |||
| Onsomi / omnyama | 0 | 43 cm | |||
| Onsomi | 0 | 14 cm | |||
Umehluko ubalwe ebangeni lokubuka elingu-66 cm. · Ukukhanya okusinda kangcono kunakho konke lapha: 640 nm
Izixhumanisi zobambiswano: sithola ikhomishini ku-Amazon, ngaphandle kokuba ukhokhe okwengeziwe. Ukuhleleka okungenhla akuthengiswa.
Thola le mibala
Emithathu ephume phambili, iseshwa ku-Amazon yakho. Ukuhleleka okungenhla kubalwa ngamanzi nangenhlanzi, ngaphambi kokuba lezi zixhumanisi zibe khona.
Izixhumanisi zobambiswano: sithola ikhomishini ku-Amazon, ngaphandle kokuba ukhokhe okwengeziwe. Ukuhleleka okungenhla akuthengiswa.
Impahla eshiwo yileli khasi
- Ikhithi yeziyengo enemibala eyahlukene Bheka ku-Amazon
Injongo yokwazi ukuthi yimuphi umbala owinayo ukuba ube nawo ebhokisini.
Izixhumanisi zobambiswano: sithola ikhomishini ku-Amazon, ngaphandle kokuba ukhokhe okwengeziwe.
Lokho lawa manzi akudlulisayo
Anombala obonakalayo. Idiski elimhlophe liphela cishe ku-1.3 m.
Izinhlobo zamanzi
Izinhlanzi ozizingelayo
Imibuzo abantu abayibuzayo ngempela
I-channel catfish: ingabe le nhlanzi iyayibona imibala?
Yebo, kodwa kancane nje. Inezinhlobo zamakhoni ezingu-2, eziqonga ku-420 nm, 533 nm, ngakho inohlangothi olulodwa lombala lapho umuntu enezimbili.
Ivelaphi le datha?
I-microspectrophotometry eqondile, i-ERG noma ukuzwela kwe-spectrum okuhlolwe ngokuziphatha kwalolu hlobo.
Imithombo
- Sillman, A.J., Bolnick, D.A., Bosetti, J.B. et al. (1993). Can. J. Zool. 71, 2258–2265.