
kyaansar paguras

vadakkan kadal, vadakkan atlaantik samudram, orupakshe medittareniyan kadal ennividangalil kaanapedunna oru inam njandaanu bhakshyayogyamaaya njandu allengil braun njandu ennariyappedunna cancer paguras. chuvapp-thavitt niratthilulla sakthamaaya njandaanu ithu, oru savisheshamaaya "paii krastt" arikum nakhangalil karutha agravumulla oru oval carapace undu. praayapoorthiyaaya oraalkk oru carapace veethiyum bharavum vare undakam. "sii. palatharam molaskukaleyum krasteshyanukaleyum lakshyamitulla oru nishachara vettakkaaranaan paguras. britiish dveepukalude theerangale kendreekarichulla padinjaaran europile ettavum valia njandu mathsyabandhanathinte vishayamaanith, prathivarsham 60,000 tanniladhikam pidipedunnu.
vivaranam.
sii" yude carapace. muthirnnavarkk chuvapp-thavitt niravum cheruppakkaaraayavarkk purple-thavitt niravumaanu. idaykkide velutha paadukal vahikkunna ithu munvashath oru paii puramthodinu samaanamaayi ombathu vrithaakrithiyilulla lobukalaayi roopappedunnu. asaadhaaranamaaya kesukalil avaa deerghakaalam vare athiyekkaamenkilum, purushanmaarkk saadhaaranayaayi neelamulla carapace sthreekalkku neelavumundu. carapace veethi saadhaaranayaayi allengil asaadhaaranamaayi vare aanu. kaarapesinte oru madangu ventrally aayi vyaapich gillukal kidakkunna oru branchiyal chamber roopappeduthunnu.
aadyathe periapode sakthamaaya chelipped (nakhamulla call) aayi parishkkarikkappedunnu; nakhatthinte viralukalaaya dactylus propodes agrangalil karuthathaanu. mattu periyappodukal cheria kaduppamulla settakalude nirakalaal moodappettirikkunnu; oronninteyum dactylus agrathilekku karuthathum moorchayulla binduvil avasaanikkunnu.
munvashath ninnu aantinakalum aantinyoolukalum drishyamaanu. evaykkupurame, annukal sthithicheyyunna sthalamaanu bhramanapathangal. mookkukalude bhagangal moonnu jody maaksilipedukal ulkkollunnu, avaykku pinnil oru jodi maxillakal, oru jodi maaksilyoolukal, oduvil mandibleukal ennivayundu.
jeevitachakram.
shaithyakaalath prathyulppaadanam nadakkunnu; aanpakshi penpakshikku mukalil nilkkukayum aval mult cheyyumbol kaalukal avale samrakshikkunna oru koombaaram roopappeduthukayum cheiyunnu. rund vayarile anubandhangalude (gonopodukal) sahaayathode puthiya carapace kadinamaakkunnathinu munbaanu aantharika beejasankalanam nadakkunnathu. inacheralinushesham penthumbikal muttayidunnathinaayi kadaltheerathe oru kuzhiyilekku pinvaangunnu. 250, 000 muthal <aii. dii. 1> vareyulla beejasankalanam cheytha muttakal pongunnathuvare ettu maasam vare penkuttiyude vayarinadiyil sookshikkunnu.
viriyunnathinu sheshamulla aadya vikasana ghattam soya ennariyappedunna plaanktonik larva (1 millimeter) aanu, athu postlaarva (megalopa) aayi vikasikkukayum oduvil oru praayapoorthiyaakaatha larvayayi maarukayum cheiyunnu. aadyathe juvenile ghattatthinte savisheshatha nannayi vikasicha adivayaraanu, athu kaalakramena valippam kuraykkukayum sternathinu keezhil madakkukayum cheiyunnu. praayapoorthiyaakaathavar intertidal sonile samudranirappil sthirathaamasamaakkukayum avide avar oru carapace veethiyil athunnathuvare thaamasikkukayum thudarnnu aazhathilulla vellathilekku kudiyerukayum cheiyunnu. purushanmaarude valarchaa nirakk 8 vayass thikayunnathinumumbu prathivarsham 10 millimeter carapace veethiyil ninnu pinneedu prathivarsham 2 millimeteraayi kurayunnu. muttayidunnathinte oorjjaswalamaaya aavasyangal kaaranam, penthumbikal purushanmaarude pakuthiyolam nirakkil valarunnu. sthreekalilum purushanmaarilum laingika pakwathayude veethikal kooduthalaanu. deerghaayussu saadhaaranayaayi 25-30 varshamaan, ennirunnaalum asaadhaaranamaaya vyakthikalkk 100 varsham vare jeevikkaan kazhiyum.
vitharanavum paristhithiyum.
"sii. vadakkukizhakkan atlaantikkiludaneelam vadakku norway vareyum thekk vadakke aafrikkayilum aazhamillaatha sublitoral muthal chuttumulla aazham vare mishrita parukkan maithaanangalilum cheliyilum manalilum paguras dhaaraalamaayi kaanapedunnu. paarakalil villalukalum dwaarangalum undakaan edayaakkunna iva idaykkide thurassaaya sthalangalilum kaanapedunnu. theeradesha mekhalayile paarakalkk keezhil cheria maathrkakal kandethaam. sthireekarikkaatha reportukal soochippikkunnathu "sii. medittareniyan kadalilum karinkadalilum paguras undakam.
muthirnnavar "sii. pakal samayat uparithalathil kuzhichittirikkukayum ennaal raathriyil avarude olithaavalangalil ninnu vare vettayaadukayum cheiyunna pagurasukal raathrikaalamaan. avarude bhakshanathil vividatharam crustatians (njandukal "carcinus mainus", "piloomanas hirtallus", porsaline njandukal "porcellana plattiselees", "pcdia longicornis", skvaatt lobsttar "galatia schwamifera" enniva ulppede), molaskkukal (gastropodukal "newsella lapillus", "littorina littoriya" ennivayulppede), bewalves "ensis", "maittilas edulis", "serastoderma edule", "austriya edulis", "lutraria lutraria") enniva ulppedunnu. ithu chalanakshamamaya iraye vettayaadukayo pathiyirunnu aakramikkukayo cheythekkaam, koodaathe kuzhichitta molaskukalil ethaan valia kuzhikal kuzhikkukayum cheyyaam. sii" yude pradhana vettakkaaran. mathsyathozhilaalikal avare kettaan upayogikkunna njandu kalangukalkkullil polum avare akramikkunna octopus aanu paguras.
rogangal.
mattu vaanijyaparamaayi pradhanappetta njandu inangalumaayi thaarathamyappeduthumbol, sii rogangalekkurichu thaarathamyena kurache ariyoo. paguras ". vaitt spott syndrome vairas, exoskelittanil irunda shathangal undaakkunna vividha bakteeriyakal, "pink njandu rogathinu" kaaranamakunna "hematodinium" polulla denoflagellattukal enniva ithinte paraannabhojikalil ulppedunnu. fungus, microsporidians, paramixians, siliyettukal ennivayaanu mattu microscopic rogakaarikal. "sii. tremaattodukalum parannabhojikalaaya barnakkilukalum ulppedeyulla mettasovan paraannabhojikalum pagurasine lakshyamidunnu. niravadhi sesile mrugangal idaykkide sii yude exoskelittanil epibiondukalaayi sthirathaamasamaakkunnu. barnacles, zee anaemonukal, "jaanuva pagenstecherry", bryosovans, saddle sippakal thudangiya serpulid polikkettukal ulppedeyulla paguras.
malsyabandhanam.
"sii. padinjaaran europile ettavum vaanijyaparamaayi pradhanappetta njandu inamaaya paguras athinte shreniyiludaneelam vaanijyaparamaayi valareyadhikam chooshanam cheyyappedunnu. creels ennum ariyappedunna njandu kalangal (lobsttar kalangalkk samaanamaayi) upayogichaanu njandukale pidikkunnathu, avaa kadaltheerathu sthaapikkukayum kadikkukayum cheiyunnu. sii" yude pidi. 1978ll 26,000 tannayirunna paguras 2007ll 60,000 tannayi uyarnnu, athil 70 sathamaanathiladhikam britiish dveepukalkku chuttum pidichedutthu. britiish, airish theerangalil malsyabandhanam vyaapakamaayi vyaapichukidakkunnu. eee pradeshatthinte bhooribhaagathum pagurasukal amithamaayi malsyabandhanam nadathunnathaayi karuthappedunnu. britiish kappalppada pidikkunna bhakshyayogyamaaya njandukalil bhooribhaagavum fraansilum speyinilum vilppanaykku nerittu kayattumathi cheiyunnu.
sii pidikkunnathinu niravadhi niyamaparamaaya niyanthranangal baadhakamaan. paguras ". berrid" njandukale (mutta vahikkunna penthumbikal) pidikkunnathu niyamavirudhamaanu, ennaal andamulla penthumbikal avashishtathil kuzhicha kuzhikalil avasheshikkukayum bhakshanam nalkaathirikkukayum cheiyunnathinaal malsyabandhana sammarddam laarvakalude vitharanathe baadikkilla. sii" kku kuranja landing valuppangal (emm. ell. ezz.). europian union saankethika niyanthranangalum yuke sarkkarum chernnaanu paguras "nischayikkunnathu. vividha bhoomishaasthraparamaaya pradeshangalil vyathyastha minimum valuppangal upayogikkunnu, athinte paridhiyiludaneelamulla njandukalude valarchaa nirakkile vyathyaasangal prathifalippikkunnu. prathyekichum, safok, norphoc, linkanshayar theerangalile "chromer njandu" malsyabandhanam mikka enangaludeyum shreniyile emm. ell. esinu pakaram oru emm. ell. esinu vidheyamaan. 56°enn, essex-kent athirthi ennivaykkidayilulla vadakkan kadalinte backie bhagangalilum 55°enn ennathinte thekk airish kadalilum oru intermediat moolyam upayogikkunnu. devon, konvaal, skilly dveepukal ennivaykku chuttum, purushanmaarude emm. ell. ezz. sthreekalil ninnu vyathyasthamaan (). yunaittad kingdatthil 20,000 tonn, irelandil 13,000 tonn, fraansil 8,500 tonn, aagolathalathil motham 45,000 tonn ennivayumaayi thaarathamyappeduthumbol norwegian catch prathivarsham 8,500 tonn aanu. sameepakaala padanangal kaanikkunnath samudratheerathe kaattaadippaadangalkk chuttumulla sub-zee power kebilukalil ninnu puranthallappedunna vaidyuthakaanthika mandalangal bhakshya njandukale prathikoolamaayi badhikkunnu ennaanu.
paachakam.
muthirnnavarkk kazhikkavunna njandukalude bhaaratthinte moonnilonnu maamsamaan, athil moonnilonnu nakhangalil ninnulla velutha maamsamaan (njandukalude villal kaanuka), moonnil rund bhagam shareerathil ninnulla veluthathum thavitt nirathilullathumaaya maamsamaan. bhakshanam enna nilayil, bhakshyayogyamaaya aann njandukale kozhikal ennum penn njandukale kozhikal ennum vilikkunnu. kozhikalil kooduthal madhuramulla velutha maamsam undu; kozhikalil kooduthal sambannamaaya thavitt maamsam undu. vibhavangalil (vrithiyaakkiya shellil krameekarichirikkunna njandu maamsam, chilappol mattu bhakshyavasthukkalude alankaarathodoppam), bisk allengil bouyillaabais, "paattes, mousas", choodulla "suffless" thudangiya sooppukal ulppedunnu.
taxonomy aandu systematics.
anthaaraashtra suvological naamakarana niyamamanusarichu, 1758-ll kaal linnaeus thante sistamaa naachureyude patthaam pathippil "cancer paguras" aadyamaayi vivarichu, ithu suvological naamakaranatthinte arambha pooyintine adayaalappeduthunnu. 1810-ll piyari andrey latrail "cancer" janussinte tharam inamaayi ithu thiranjedutthu. () ennathil ninnu uruthirinja oru laattin padamaanu nirddishta visheshanam, ithu () ennathinoppam bhakshyayogyamaaya samudra njandukale soochippikkaan upayogichirunnu; classical padangalonnum oru prathyeka inathinu aathmavishwaasathode nalkaan kazhiyilla.
cancer" janussil munbu mikka njandukalum ulppettirunnuvenkilum pinneedu ithu ettu enangalil parimithappedutthiyirunnu. adutha bandhamullah oru koottam speesheesukalkkullil, "sii" yude ettavum adutha bandhu. paguras "joona njandu aanu", sii. vadakke amerikkayude kizhakkan theerathu ninnulla "borialis".

