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Humboldt squid - lub mysterious depths ntawm lub hiav txwv giant

Humboldt squid - cephalopod muaj feem xyuam rau Ommastrephidae tsev neeg. Advantageously phem nyob rau hauv feem ntawm lub Pacific, qhov twg lub Peruvian tam sim no, ntawm ib tug tob ntawm 0,2 - 0,7 km.

Nws ntev yog impressive, qhov ntev yuav ua tau mus 2 meters thiab ib tug luj ntawm 50 kg. Lub cev muaj ntawm lub taub hau, ob txhais taw thiab 10 tentacles. Lub plhaub tsis yog. Lub sab ib feem ntawm ob txhais ceg kho kom funnel yuav tsum tau rau kev tshem. Tus so ntawm lub mantle kab noj hniav muab hauv nruab nrog cev. Tentacles extending los ntawm ob txhais ceg thiab nyob ib ncig ntawm lub qhov ncauj, nruab nrog suction khob. Cuab tsiaj ob, lawv yog ntev dua. Qhov seem 8 tej zaum hu ua ob txhais tes, ua hauj lwm los tuav tus neeg mob.

Complex pom kev muaj Humboldt squid. Duab nyob rau hauv tsab xov xwm, zoo qhia loj ob lub qhov muag. Los ntawm tsim tsis totaub ntawm kov, saj hlwb yog muaj. Chromatophores ntau rau feem ntau cephalopods. Thaum lub caij, lub cev nqaij daim tawv yuav txawv los ntawm creamy-grey rau liab thiab rov qab.

Kalmar Maritime muaj bioluminescence, yog lub peev xwm mus rau lub teeb li qhov tsawg dua ib feem ntawm lub cev. Qhov no feature yuav pab mus plob hav zoov thiab tua nrog ruam ua npua. Nyob rau hauv yug me nyuam rau lub caij nws yog siv los nyiam xim rau nws tus kheej.

Humboldt squid yog tsis muaj kob ntshav. Los ntawm reacting nrog rau oxygen, nws yuav xiav vim hais tias raws li ib feem ntawm hemocyanin, oxygen-nqa protein, muaj tooj liab ions (peb cov ntshav yog xim liab, vim hais tias nws xa cov pa oxygen los ntawm hemoglobin, lub hauv paus uas - hlau ions).

Humboldt squid tsis yog ib tug loner. Txoj kev ua neej yog gregarious, tej zaum ib lub tuam txhab yog ntau tshaj 1000 tus neeg. Lawv pub on ntses, crabs, thiab tej zaum kuj lawv cov txheeb ze. Mob ntawm tawm tsam nyob rau hauv tib neeg. Nyob rau hauv lub kua xeev passive, tej zaum mas.

Movement nrog qhov kev tso tawm ntawm cov dej nyob rau hauv kev coj rov qab energetically kim. Rau ib ntev lub sij hawm nws tseem nyob tsis totaub li cas nws immersion cheeb tsam kis tus dej hiav txwv dej nrog ib tug txo concentration ntawm cov pa. Tsis ntev los no, nws tau los ua tseeb hais tias cov squid Humboldt tau qeeb tus metabolism ntawm 80%, ntog rau hauv qhov chaw muab tsis cuag rau prey rau nws tuna, Sailboats, marlin, thiab lwm yam ..

Nthuav tu tub tu kiv txheej txheem. Lub caug, uas yog feem ntau me dua cov maum, ib tug ntawm cov tentacles tsim los fertilize. Lawv nws rho tawm los ntawm lub mantle kab noj hniav spermatophore muaj phev, thiab tej chaw nyob rau hauv cov kab noj hniav ntawm tus poj niam. Tom qab ib tug tej lub sij hawm, lub expectant niam nteg qe, uas yog heev loj. Zes yog ua nyob rau hauv ua ntej ntawm lub pob zeb thiab tus so ntawm lub zoo li. Poj niam vigilantly tiv thaiv lub qe, thiab tom qab ntawd - nyob tub ntxhais hluas.

Tu siab, ntau ntawm lub neej ntawm cov Humboldt squid tseem tsis paub hais tias vim nws tej vaj tse. Cov nyob daim ntawv txav mus rau nws mus rau txoj kev kuaj tsis hnub nyob rau hauv ib ob peb teev. Nws tsiv teb tsaws mus rau qhov chaw ntawm extraction ntawm marine lub neej tshwm sim los kev txhawj xeeb ntawm cov kws tshawb fawb. Txij li thaum nws multiplies sai sai txaus, tej zaum nws yuav tso hem thawj ntau yam coob txog coj mus muag ntses.

Lub zos pej xeem ntawm lub teb chaws nyob qhov twg lub shores muaj nyob rau hauv lub squid, zoo siab txais lawv. Nqaij qab, nws yog nyob rau hauv txee ntawm ntug hiav khw. Nyob rau hauv loj qhov ntau yog exported rau txawv teb chaws.

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