
mulpadarnna sraavu

prikkili sraavu ("echinorhinus kukki") echinornidae kudumbatthile rund inam sraavukalil onnaanu (mattonn bramble sraavu), ithu pasaphik samudrathil bhookhanda, insular shelfukalilum charivukalilum antarvaahini malayidukkukalilum kaanapedunnu. prakrithiyil thazheyaayi vasikkunna ithu saadhaaranayaayi aazhathilulla thanutha vellathil vasikkunnu, ennaal kaaliforniyayil ninnu monterry ulkkadal polulla pradeshangalil ithu palappozhum aazhamillaatha vellathilekku praveshikkunnu. eee irunda niramulla sraavinu neelam vare valarunnu, rund cheria dorsal chirakukal athinte shareerathil valare pinnilayi sthaapichirikkunnu, guda chirakukal illa. mull polulla dermal denticalsinte idathoornna moodalaanu ithinte savisheshatha, athinaal ithinu pothuvaaya peru.
raathriyil sajeevamaaya prikkili sraavu pakal samayat aazhathilulla kadaltheerathu vishramikkukayum sandhyaasamayath aazhamillaatha kadaltheerathekku oru dyle migration nadathukayum cheiyunnu. oro sravinum oru cheria hoome rench undu, avaa oru nischitha praadeshika pradeshathinullil thanne nilanilkkunnu. eee inam vividatharam asthi, cartilaginus malsyangalum sephalopodukalum bhakshikkunnu. ithu pathukke neengunnathinaal, iraye pidikkaan sakshan upayogichekkaam. penthumbikal valia alavil maalinyangal uthppaadippikkunna ithu applaasental vaivipaaras aanu. mulpadarnna sraavukal manushyarkk apakadakaramallennum avaykku kuranja saambathika moolyamundennum ariyappedunnu. vaanijyaparamaaya aazhakkadal malsyabandhanamaanu ithu aakasmikamaayi pidippedunnathu, ithu vikasichukondirikkum janasamkhyaye bheeshanippeduthukayum cheyyum. athinaal, internaashanal union phoor kansarveshan oof nechar (iucn) eee inathe vivarangalude kuravaanennu vilayiruthi.
vargeekaranam.
austriyan ectheologist victor paitsmaan rund vyathyastha prasidheekaranangalil prikkili sraavine oru puthiya inamaayi visheshippichu 1928-leeii "ansiger derr academy derr wissenshaftan inn weane" enna vaalyathile oru hraswa jarmman vivaranavum 1930-leeii "bernis pii" enna vaalyathile kooduthal vishadamaaya engleesh vivaranavum. bishop museum bullattin ". sii yude bahumaanaartham peetsmaan sraavinu peru nalki. montag cook juuniyar.bishop myoosiyathile oru congologistaanu. ennirunnaalum, mulpadarnna sraavukale bramble sraavukalaayi nirantharam thettayi thiricharinju (udha. brookas) 1960 vare jacq garrick eee inathe punarroopakalppana cheiyunnathuvare shaasthreeya saahithyathil ithine paraamarsikkunnu. kavayi, havai ennivayil ninnulla yadhaartha holotype nashtappettathinaal, nyoosilandile palisar ulkkadalil ninnulla neelamulla oru aankutty garrick oru puthiya tharam maathrkayaayi naamanirddesham cheythu. paachakakkaarante bramble sraavum spinus sraavum eee inathinte mattu saadhaarana perukalil ulppedunnu.
vivaranam.
cheruthum cheruthumaaya thalayum cheruthum cheruthumaaya cheruthum cheruthumaaya cheruthumaaya cheruthum valuthumaaya moorchayullathum urundathumaaya sareeramaanu prikkili sraavinullath. mookkukalude sushirangal valare akale vaykkukayum athinu munbu cheria charmabhaagangal pathikkukayum cheiyunnu. churulukal cheruthum annukalkku pinnil nannayi sthaapichirikkunnavayu, avaykku nikttitting membranukal illa. vaayil oru vishalamaaya kamaanam roopappedunnu, konukalil valare cheria romangal undu. mukalilum thaazheyumulla thaadiyellukalil yathaakramam 21-25,20-27 pallu nirakalundu. katthi polulla pallukalkk iruvashathum moonnu cheria kasplettukal vare ulla sakthamaaya konulla pradhana cusp undu; cheria sraavukalil laattaral kasplettukal illa. anchu jody gill slittukalund, anchaamathe jody ettavum neelam koodiyathaanu.
shareerathinte iruvashathum vyakthamaaya oru romathil laattaral line oodunnu. pectoral chirakukal cheruthaanu, athesamayam pelvik chirakukal neelamulla aditharakalulla thaarathamyena valuthaanu. aadyathe dorsal phiin cheruthaanu, pelvik phiin uthbhavathinte thalatthilo purakilo uthbhavikkunnu; randaamathe dorsal phiin aadyathethinu samaanavum pinnil sthithicheyyunnu. gudapindatthinte purambhaagathu illa, koodaathe kattiyulla codal pedankilil kodalpindatthinte uthbhavasthaanath mardhanamilla. kaudal finninu pinnil oru nochum illaatha neelamulla mukalile lobum avyakthamaaya thaazhathe lobum undu. charmmathinu idathoornnathum orepole pothinjathumaaya noonn-overlapping denticals undu, avaa bramble sraavilennapole orikkalum orumichu cherkkappedunnilla. oro danthavum mull poleyaanu, madhya nattelliloode thaazhekku ozhukunna sakthamaaya malancherivukal nakshathraakrithiyilulla aditharaykku mukaliloode vikiranam cheiyunnu. mookkinu thaazheyulla pallukal muthirnnavaril valare mikachathaanu. mulpadarnna sraavinu saadhaarana thavitt allengil chaaraniramaanu, palappozhum purple niramullathum chirakukalil karutha pinbhagangalullathumaanu. mookkilum vaayaykkum chuttum adibhaagam kooduthal mangiyathaanu. ithu oru neelam vare athiyekkaam. rekhappeduthiya ettavum uyarnna bharam neelamulla oru sthreeyudethaanu.
vitharanavum aavaasavyavasthayum.
prikkili sraavu pasaphik samudrathinu chuttum vyaapakamaayi kaanapedunnu. padinjaaran, madhya pasafikkil, jappan, taiwan, victoria, australiyayile queensland, nyoosiland, athupole palaavu, nyoo caledonia, tonga, havaay, orupakshe gilberts ennee dveepukalkku chuttum ithu report cheyyappettittund. kizhakkan pasafikkil, origon muthal ell salvador (california ulkkadal ulppede), coco, galapagos dveepukalkku chuttum, peruvilum chiliyilum ithu sambhavikkunnu. eee inam saadhaaranayaayi asaadhaaranamaanennu thonnunnu; kaaliforniyayile monterry malayidukkilaanu oru apavaadam, avide varsham muzhuvanum rund lingathilulla sraavukalum dhaaraalamaayi kaanapedunnu.
thanutha thapanilaye anukoolikkunna prikkili sraavine kooduthalum ushnamekhalaa pradeshangalil kaanapedunnu. ithu kuranjathu thaazhe ninnu rekhappeduthiyittundu, ithu valare aazhathil sambhavikkam, orupakshe. maruvashathu, uyarnna akshamshangalil ithu idaykkide aazhamillaatha kadaltheera jalathilekku praveshikkunnu; udaaharanathinu, monterry malayidukkil ithu sthiramaayi aazhathil kaanapedunnu, koodaathe moss landingle ninnu oru vyakthi aazhathil maathrame vellathil pidikkappedunnulloo. eee sraavu bhookhanda, insular shelfukalilum charivukalilum vasikkunnu, avide athu thaazhekku neenthunnu. mathilukalkk sameepamulla antarvaahini malayidukkukalilum ithu kaanam. cheli niranjatho manal niranjatho aaya substrate ulla pradesangalaanu ithu eshtappedunnathu. kuranja draveekritha ooksijan alavu sahishnuthayulla ithu mattu sraavukalkk praapyamallaatha samudra thadangalil vasikkaan anuvadikkunnu.
jeevashasthravum paristhithiyum.
pathukke neenthunna prikkili sraavu samudranirappinu thottu mukalil thoongikkidakkunnathu nireekshikkappettundu. monterry malayidukkile oru tracking padanatthil eee inam sakthamaaya dyle migration paattenukal pradarshippikkunnuvennu kandethi. kadatheerathinaduthulla aazhathilulla, kadaltheerathulla prathyeka abhaya pradeshangalil vishramikkunna sraavukal pakal samayat nishkriyamaayirunnu. avar sandhyaasamayath sajeevamaayi theerathekku neenthukayum malayidukkinte thala vare neenthukayum jalanirappilekku uyarukayum cheythu; eee mukalilekkulla chalanam school malsyangale bhakshikkunnathumaayi bandhappettirikkam. vyakthigatha sraavukal praadeshika pradeshathu ninnu apoorvvamaayi maathrame vazhithettippokaarulloo, avaykku valare cheria hoome renchukalundaayirunnu, athil kooduthalonnumilla. monterry malayidukkile mulpadarnna sraavukal pathivayi muppath ennathil kooduthal ennam undaakunna koottangal roopappeduthunnu.
mulpadarnna sraavinte vaayayudeyum forinxinteyum valipavum ghadanayum soochippikkunnathu iraye pidikkaan athu sakshan upayogikkunnu ennaanu. eee inam hack, flonderukal, rockfishukal, lingcode, toppsmelt, macarell, herring ennivayulppede vividatharam benthik, pelagic asthi malsyangalum aanaa malsyangal ("calorhinches"), spiny dogfish ("squalus akantias"), yuva blundnose sixgill sraavukal ("hexanches grissius"), pretha kaatshaarkk ("apristooras") muttakal ennivayulppedeyulla cartilaginus malsyangalum bhakshikkunnu. humpolt squid ("dosidicus jigas") ulppedeyulla oktopasukalum squid kazhikkunnu. cheruppakkaaraaya mulpadarppulla sraavukal thanne blundnose sixgill sraavinu irayaakumbol muthirnnavarkk kurachu bheeshanikal neridendivannekkaam. eee inathile prathyulppaadanam applaasental vaivipaaras aanu, garbhastha sisukkal manjakkaru kondu nilanilkkunnu. 114 bhroonangale garbham dharicha oru garbhiniyaya sthreeyude oru rekha maathrameyulloo; eathoru sraavil ninnum ariyappedunna ettavum valia maalinyangalil onnaanith. kunjungal janikkumbol praayapoorthiyaakaathavarim. laingika pakwathayude dairkhyam krithyamaayi nirnnayichittillengile purushanmarkkum sthreekalkkum ithu baadhakamaanennu karuthappedunnu.
manushyarude edapedalukal.
mungal vidagtharumaayulla edapedalukal kaanikkunnath mulpadarnna sraavu manushyarodu akramaasakthamaayi perumaarunnu, onnukil sanbarkkam sahikkukayo aduthethumbol oodippookukayo cheiyunnu ennaanu. vaanijyaparamaaya bottom trollukal, gilnettukal allengil line gearukal enniva vazhi aakasmikamaayi pidichedukkaan ithu saadhyathayund. maamsam mriduvum moshamaayi kanakkakkappedunnathumaanu ennathinaal ithinu vaanijyaparamaaya moolyam kuravaanu.
samrakshana nila.
2018 juunil nyoosilaand samrakshana vakupp prikkili sraavine "apakadasaadyathayulla-swaabhaavikamaayi asaadhaaranam" ennu tharamthirichu, nyoosilaand bheeshani vargeekarana samvidaanathinu keezhil yogyathayulla "daatta moshavum" "videshathu surakshithavumaan". internaashanal union phoor kansarveshan oof nechar (iucn) prikkili sraavine daattayude kuravaanennu vilayiruthiyittundu, athinte paachi vitharanavum aazhathilulla mathsyabandhanathinte thudarchayaaya vipuleekaranavum choondikkaatti.

