Sebapali sa metsing se ka tlas'a metsi
Litaba
- Lintlha tsa bohlokoa
- Tšela mathe
- Thuso e nyane ho tsoa mapheong a ka
- Bevy ea liphetoho tsa boits'oaro
Lintlha tsa bohlokoa
- Archerfish e tšoela jets ea metsi ho tebela likokoanyana le liphofu tse ling tse nyane makaleng a kaholimo ho metsi.
- Litsela tse potlakileng tsa ho qetela li kopantsoe ka thata le ho thunya, haholo-holo lepheo le potlakileng la mapheo a pectoral.
- Ts'ebetso ena e behiloeng ka nako e nepahetseng e ea hlokahala ho tsitsisa sethunya khahlanong le ho hlaphoheloa nakong ea tokollo ea jete ea metsi.
- Litlhapi tsa Archerfish li na le mekhoa e mengata ea boits'oaro e li nolofalletsang ho tsoma liphofu tse tsoang mobung.
Stefan Schuster, moprofesa oa thuto ea 'mele ea liphoofolo Univesithing ea Bayreuth Jeremane, o qetile boholo ba lilemo tse mashome a mabeli a ho kenella ka bokhoni bo sa tloaelehang ba litlhapi tsa metsing. Litlhapi tsena tse nyane, tse fumanehang melatsoaneng ea lifate tsa mangrove e Asia Boroa-bochabela le Australia, li tsebahala ka boitšoaro bo le bong bo ikhethang: mokhoa oa tsona o ikhethang oa ho tsoma liphofu tse tsoang naheng.
Archerfish e tšoela jets ea metsi ho leleka likokoanyana le liphoofolo tse ling tse nyane tse lutseng makaleng kapa makhasi ka holim'a metsi. Litlhapi ke lithunya tse nepahetseng ka mokhoa o makatsang, tse khonang ho theola phofu e ka bang 3 m (10 ft) ka holim'a metsi. (Shebella video e mabapi le boitšoaro mona.)
Ho latela Schuster le ba bang ba sebetsang le bona, li-archerfish li tla thunya ka thabo eng kapa eng.
O re: "O ka ba koetlisetsa ho thunya lintho tsa maiketsetso tse sa oeleng ka metsing ebe o ba putsa ka ho hong." “Sena se etsa hore liteko tse ngata mabapi le boits'oaro ba ho thunya li khonehe. Motho e mong le e mong o laborateng o na le maikutlo a hore ho hlile ho monate ho bona ho kenya letsoho litekong tsena! ”
Tšela mathe
Bakeng sa boithuto, lilemong tse 'maloa tse fetileng, Schuster le mosebetsi-'moho le eena Peggy Gerullis ba ile ba koetlisetsa litlhapi tsa metsing ho thunya lijete tsa bona tsa metsi libakeng tse tsitsitseng litankeng tsa bona. Ba ile ba sibolla hore litlhapi li bula le ho koala melomo ea tsona ka tsela e poteletseng ho fetola sebōpeho le lebelo la jete ea tsona, ho latela hore na li batla hokae.
Nakong ea tlhahlobo ea livideo tse lebelo haholo tsa litlhapi tse peli tse koetlisitsoeng, bafuputsi ba ile ba hlokomela ntho e makatsang. Lihlapi tsa metsing li ne li eme ha li lokolla lifofane tsa tsona. Empa pele litlhapi li thunya, li ile tsa qala ho tsamaisa mapheoana a tsona a pectoral ho leba pele. Mekhatlo ena e bonahala e hokahane le ho thunya.
Kahoo Schuster le Gerullis ba ile ba sekaseka livideo tsa bona hape, lekhetlong lena mahlo a bona a shebile mapheong. Ba ile ba boela ba fihla ho mofuputsi-'moho le bona ea li-archerfish, Caroline Reinel, ea ileng a batla metsamao e metle ea livideo ho tsoa litekong tsa ho thunya ka metsu e sa rutehang ka bolokolohi. O ile a fumana hore metsamao ea ho qetela e ne e hokahane ka thata le thunya e ngoe le e ngoe ea lihlapi.
Schuster o re: "Kaofela re ile ra fumana ho hlolla hore tlhapi e 'ngoe le e' ngoe e ne e etsa mapheoana ana a kapele. "Re nahana hore ke karolo ea bohlokoa ebile e neng e sa tsotelloe nakong e fetileng ea ho thunya litlhapi."
Thuso e nyane ho tsoa mapheong a ka
Leqepheng le phatlalalitsoeng ho Tlaleho ea Biology ea Teko , Schuster, Gerullis le Reinel ba hlalosa tšebetso ena e potlakileng le e bonts'ang hore li tsamaellana le ho thunya.
Bafuputsi ba fumane hore, pejana ho thunya ka 'ngoe, ha litlhapi li eme, mapheoana a eona a letlalo a qala ho phaphamala kapele. Ho qala le bolelele ba motsamao ona o phallang pele ho bonahala ho latela bophahamo ba sepheo.
Schuster le bo-mphato'a hae ba re metsamao ea bona ea hoqetela e kanna ea nka karolo ho bokhoni bo ikhethang ba litlhapi tsa ho thunya litlhapi tse matla, tse hole. Nako ea motsamao oa ho qetela e amanang le matla a lebelletsoeng a ho khutlisa ho tsoa jet e fana ka maikutlo a hore e ea hlokahala ho boloka litlhapi tse thunang li tsitsitse.
Schuster o re: "Ena ke e 'ngoe feela ea mekhoa ea boits'oaro e etsang hore litlhapi tsa archerfish li khahle. “Mohlomong ke lebaka la bokhoni ba bona bo etsang hore litlhapi tsena li khethehe.”
Bevy ea liphetoho tsa boits'oaro
Ka tlhaho, li-archerfish li pota-potiloe ke bahlolisani ba bangata. Haeba tlhapi e le 'ngoe ea lihlapi e atleha ho tebela phofu ea lefats'e,' me e oela holim'a metsi, sethunya se tlameha ho etsa liqeto tse potlakileng le tse nepahetseng ho fihla moo pele ho litlhapi tse ling.
Schuster o re: "Haeba litlhapi tsohle li ne li ka khona ho li hlasela, phofu e ne e tla lahleha." Litlhapi tse ling, tse hlomelletsoeng hamolemo ho fumana maqhubu a holim'a metsi, li kanna tsa otla sethunya ho ea moo phofu e oeleng teng.
Ho ea ka Schuster, tlhapi e 'ngoe le e' ngoe ea li-archerfish e hloka letoto la lipalo tse rarahaneng: Hase feela hore litlhapi li tlameha ho tsepamisa lijete tsa tsona tsa metsi ha li ntse li lefella ho huleloa hape le sebaka, empa hape li tlameha ho tseba hantle hore na phofu ea tsona e tla lula kae ebe e fihla pele.
Schuster o ntse a batlisisa liqeto tsena tsa lebelo le phahameng ho archerfish mme o fumane hore, ho ipapisitse le ho shebella motsamao oa pele oa phofu e oang, litlhapi li emisa ka potlako tse li lebisang moo phofu e tla lula teng le ho li fa lebelo la ho fihla ka nako e le ngoe le phofu.
Schuster o re: "Sena se bolela hore hang ha ho hong ho qala ho oela, litlhapi li se li le tseleng le sebakeng se nepahetseng pele litlhapi tse ling li elelloa hore ho na le ho etsahetseng." "Mme ba nka qeto ea hae hanghang, li-ms ms tse 40 li lekane."
Le ka lintho tsena tse sibollotsoeng haufinyane, Schuster o re tsebo ea rona ea li-archerfish e ntse e lekantsoe.
O re: "Lilemong tse 20 tse fetileng litlhapi tsa metsing li lula li makatsa."
“Ho na le mefuta e meng ea liphoofolo e tlamehang ho khona ho etsa lintho tse hlollang hore e phele. Haeba u sheba haufi le haufi, u tla fumana tse ling kamehla. ”
E Khahla
Ithute hore na ho ikamahanya le maemo ke senotlolo sa ho amohela phetoho le kholo
