
antartic flying squid

augopsida oordaril ninnulla pelagic squid kudumbamaaya ommastrephidae kudumbatthile toderodine upakudumbathil ninnulla oru inam squid aanu antartic flying squid (toderoads philipova). thekkan samudrangalude thaazhnna akshaamshangalkk chuttum samudrangalil ithinu aagola vitharanamundu.
vivaranam.
antartic flying squid oru valia samudra pelagic squidaanu, ithu sthreekalil 52 centemeterilum purushanmaaril 40 centemeterilum kooduthal neelatthil valarunnu. neelamullathum idungiyathum pesikalullathumaaya oru aavaranamund, athinte neelatthinte ekadesham naalilonn veethiyulla ithu pinbhaagathu oru pooyint vaalilekk churungunnu. chirakukal ambadayaalam aakruthiyilullathum avayude neelavum veethiyum ekadesham aavaranathinte pakuthiykk thulyavumaanu.
kaikalile basel sakkarukalkk ekadesham 10 pallukalundengilum marimari cheria pallukalilla. naalaamathe valath kaikk oru hectocotylised distal bhagamundu, ithu kaii neelatthinte anjilonnu muthal moonnilonnu vare edukkunnu. eee bhaagath sakkarukal pappilla, tubercles, oru ventral protective membran, trabeculayude vipulamaaya vikasanam ennivayaayi parivartthanam cheyyappedunnu. shakthavum valuthumaaya koodaarangalude neelam eathaandu muzhuvan praadeshika clubbukal ettedukkunnu, avayil maanukalil 12-14 thraansvezhs varikalulla sakkarukal undu, avayil ettavum valiyathil athinte mothirathil 7-13 pallukalum 2.7-4.5% nuu thulyamaaya vyaasavumund. koodaaratthil rund jody carpel sakkarukalum undu.
vitharanam.
antartic flying squidinu 35°sentinu thekk thekkan samudrathil oru sark global vitharanamundu, ithu uposhnamekhalaa kanverjans sonile vellathil saadhaaranamaanu. ithu peruvinte vadakku vare kandethiyittundengil iva humbolt pravaahathil vadakkott neengiyathaanennu karuthappedunnu.
aavaasavyavasthayum jeevashasthravum.
0 muthal 1,200 meter vare aazhamulla bhookhanda charivinum samudrajalathinum mukalilaanu antartic flying squid sambhavikkunnath. ithu thaazhe ninnu, jalanirappiloode raathriyil uparithalathinaduthekku pidichittundu. eee inam vegathayeriya pravahangalumaayi bandhappettirikkunnu, koodaathe thanutha antartic vellam 1t 3-3.6 °C muthal 24 °C vare choodulla vellathilekku thapanilayil vyapakamaaya vyathyaasamund. thekkan nyoo southu veyilsil janasamkhyayude valia anupatham pakwathayulla aankuttikalaayirikkumbol desemberinum augustinum idayilaanu muttayidunna kaalam sambhavikkunnath, ithu soochippikkunnathu eee pradeshathe speeshees vitharanathinte vadakke attathaanu inacheralum muttayidalum nadakkunnathu ennaanu. 260 millimeter neelamulla purushanmaaril beejakoshangal prathyakshappedunnu, athesamayam 320 millimeter neelamulla karadikal beejakoshangal roopappeduthunnu. andakkuzhalil muttakal undennu rekhappeduthiyittulla ettavum cheria pakwathayulla penkunjinu 380 millimeter neelamulla oru aavaranamaanu alannathu. dakshinaafrikkan jalathile padanangal februvari muthal august vare samanamaaya neendunilkkunna muttayidal kaalayalav soochippikkunnu. koodaathe, darbanil ninnu vaanijyaparamaayi thimingalangalude beejatthinte vayattil ninnu saambilukal shekharicha daatta thekkukizhakkan aafrikkan theerathu antartic flying squid prajananam nadathunnathaayi soochippikkunnu. oommaastrephideyile mikka amgangaleyum pole valarcha vegathilaakukayum oru varshathinullil jeevitachakram poortthiyaakkukayum cheiyunnu, ennirunnaalum eee inathinte aadyakaala jeevita ghattangalekkurichu valare kurachu maathrame ariyoo, penthumbikal aanthumbikalekkaal vegathil valarunnu. eee inavum angolan flying squid choodulla thaapanilayekkaal vegathil thanutha vellathil valarunnu.
eee inam malsyangal, crustatians, sephalopodukal ennivaye vettayaadunnu. cheria squidukalkku bhakshanathil pradhana gadakamaayi crustatians undu, athesamayam 200 millimeteril kooduthal neelamulla valia squid pradhaanamaayum sephalopodukale bhakshikkunnu. beejatthinte valippam vare niravadhi malsya enangal, kadal pakshikal, samudra sasthanikal ennivayum eee inathe irayaakkunnu. muthirnna antartic flying squidukalkku avayude maanttil tissuevil valia parannabhojikalaaya ensited nemattodukalum sestodukalum vahikkaam.
malsyabandhanam.
fackland dveepukalileyum tasman kadalileyum vaanijya malsyabandhanamaanu eee inathe lakshyamidunnathu, nilavil mattu enangale pinthudarunna malsyabandhanathil ithu oru baikachaayi kanakkaakkappedunnu. athinte samriddhiyum peshikalude mamsavum soochippikkunnathu ithu oru praayogika vaanijya inamaayirikkaam ennaanu.

