Ha li lula li ikamahanya le botebo ba leoatle, li-ultra-black eel li hapile bafuputsi ha li bonahala li ntse li fetoha e le hore li ka sebelisa leqheka la ho ipata. Ka mehatla ea tsona e khanyang, li-eel li khona ho atamela liphofu tsa tsona pele li li ja ka mehlahare ea tsona e tšosang.
Tshekatsheko ya mefuta ya Anguilloidei (ho kenyeletswa eel ya metsi a hlwekileng, spaghetti eels le transparent onejaw eels) e senotse hore mmala o lefifi o iketseditse ka boikemelo ka nako e fetang e le nngwe. Mehlala ea sena e kenyelletsa baholo-holo ba li-pelican eels (Eurypharynx pelecanoides), li-snipe eels, li-snipe eels, li-eel tse nang le li-sawtooth.
Liphuputso tsa phuputso ea morao tjena li hatisitsoe koranteng Biology ea Tikoloho ea Litlhapi ka la 11 Phupu 2020, ho fana ka kutloisiso e betere ea boitšoaro ba libopuoa tse tebileng tsa leoatle, tseo bongata ba tsona li ntseng li sa ithutoe haholo.
Ho sa tsotellehe taba ea hore leoatle le tebileng ke tikoloho e kholo ka ho fetisisa ea lintho tse phelang lefatšeng, re ntse re utloisisa ho fokolang haholo ka eona, ho ea ka Mike Ghedotti, moprofesa oa baeloji ea leoatleng le ichthyology Univesithing ea Regis e Denver. O ile a boela a hlokomela hore ho lekola leoatle le tebileng ke mokhoa o bitsang chelete e ngata 'me ha ho etsahale hangata joaloka ho hlahloba leoatle le sa tebang.
Tlhapi e bitsoang bathypelagic, kapa deep-sea, eel, hangata e lula le ho tsoma botebong ba “Midnight Zone” ea leoatle, e pakeng tsa limithara tse 3,300 13,100-1,000 4,000 moo khanya ea letsatsi e ke keng ea phunyeletsa teng. Lefifi lena le sa feleng le khopamisitse 'mele ea li-eels ka litsela tse makatsang, 'me molomo oa eel ke mohlala o ka sehloohong oa matla a ho otlolla a ke keng a lekanngoa le mefuta leha e le efe e meng. Ho batlisisa mesebetsi ea libōpuoa tsena bolibeng bo bokaalo ho ipakile ho le boima ka tsela e makatsang.
E le ho leka ho hlakisa boitšoaro bo makatsang ba li-eels tse tebileng tsa leoatle, bafuputsi ba ile ba shebisisa lesela la letlalo la eel ea pelican tlas'a microscope. Ha bo-rasaense ba ntse ba hlahlobisisa, ba ile ba hlokomela 'mala o motšo oa jet-black o neng o hasane 'meleng oa libopuoa tsena.
Lipatlisiso tsa mefuta e meng ea li-eel li bontšitse hore mefuta ea bathypelagic e kang swallower eels le bobtail snipe eels e na le 'mala o lefifi o ts'oanang le oa pelicans eels, athe litlhapi tsa pelagic tse tebileng, tse kang snipe eel le sawtooth eels, tse lulang metsing a sa tebang li fokotsehile hanyane. ea pigment ena.
Haufinyane tjena, ka lekhetlo la pele, ho ile ha nkoa tlhapi ea pelican ka k'hamera e e-na le lijo ka mpeng. Ho sa tsotellehe ho haelloa ke tsebo ea eona ea ho sesa, ho nahanoa hore libōpuoa tsena li sebelisa mehatla ea tsona ea bioluminescent e le leraba la ho tšoasa litlhapi ho hohela li-crustaceans tse nyenyane kapa squid, tseo joale li li jang.
Mebala e lefifi ea libatana tsena e li nolofalletsa ho sebelisa bioluminescence molemong oa tsona, ho etsa hore lintlha tsa mohatla oa li-pelican eel le li-swallower eel li shebahale joaloka li-beacon tse khanyang, tse hapang maikutlo lefifing. Ha tlhaku e hohela phofu ea eona haufi ka ho lekaneng, molomo oa eona o ka hola ka makhetlo a mahlano ’me e ja phofu ea eona ka lekhalo le le leng feela.
Ghedotti o boletse hore ho bohlokoa ha e ntse e hohela phofu ka leseli hore phoofolo e se ke ea bona boteng ba phoofolo e jang liphoofolo ka ntle ho leraba. Ho feta moo, ho na le mekhoa e fapaneng eo bioluminescence e sebelisoang ka eona har'a mefuta e fapaneng ea litlhapi ntle le ho e sebelisa ho hohela liphofu, 'me maemong a mangata, ho ka ba molemo haholo haeba leseli la hau le sa bontše boteng ba likarolo tse ling tsa litlhapi. mmele wa hao.
Thuto e ile ea hatisoa qalong koranteng Biology ea Tikoloho ea Litlhapi ka July 18, 2023.
