
atlaantik threadfin

padinjaaran atlaantik samudrathileyum meksikoo ulkkadalileyum uposhnamekhalaa, mitasheetoshna jalathil ninnulla polynemidae kudumbatthil ninnulla oru tharam reey-find malsyamaanu atlaantik threadfin ("polydactylus octonemous"). 
vivaranam.
atlaantik threadfin oru idatharam inam threadfinaanu, ithu paramavadhi motham neelam vare valarunnu, ennirunnaalum mikka malsyangalkkum motham neelam ekadesham 200 meteraanu. ithinu oru pooyint mookkum thalayil eathaandu neraaya dorsal profile undu. rund vyathyastha dorsal chirakukal undu, aadyathe dorsal finnil 8 nattellukal adangiyirikkunnu, athil oro nattellinteyum adithara mattullavaykku samanamaaya kanamullathaanu, randaamathe dorsal finninu orotta nattellum 11 muthal 13 vare mriduvaaya kiranangalumundu. gudapindatthinu 3 nattellukalum 12 muthal 14 vare mriduvaaya kiranangalumundu, gudapindatthinte adithara randaamathe dorsal finninekkaal neelamullathaanu. pectoral finninu 14 muthal 16 vare shaakhakalillaatha kiranangalund, koodaathe staanderd neelatthinte 24%-29% nuu thulyamaaya neelamundu, athinte attam pelvik finninte agrathil athunnilla. 8 pectoral philamentukal undu, chilappol 9, aadyathe pectoral philament ettavum cheruthaanu, pelvik finninte munbhaagathinappurathekku vyaapikkunnu, randaamathethu muthal anchaamathethu vare pectoral philamentukal alpam akale athunnu, athesamayam aaraamathe philament pelvik finninte agrathinappurathekku alpam vyaapikkam. ezhaamathe pectoral philament guda-phiin uthbhavam vare vyapikkunnilla. ettaamathe pectoral philament ettavum neelameriyathum saadhaarana neelatthinte 39 sathamaanam muthal 51 sathamaanam vare neelamullathumaanu. cheruppakkaaraaya malsyangalil ullathinekkaal praayapoorthiyaayavaril philamentukalkku neelam kooduthalaanu. kaudal phiin aazhathil fork cheythirikkunnu, athinte mukalilum thaazheyumulla kaudal-phiin lobukal philamentukal vahikkunnilla. laattaral lainil 56-64 poord skeyilukal undu, avaa codal finnil fork cheythirikkunnu, shaakhakal wall lobukalude pinn attathu athunnu. thalayude mukal vashangalum vashangalum cheria irunda velli niratthil chayam pooshiyirikkunnu, thaazhathe vashangalil minnunnu. ithinu ardha-transluesant mookk undu. onnaamatheyum randaamatheyum dorsal chirakukalkk manja niramaan; pectoral phiin karuthathum pectoral philamentukal ardhasuthaaryavumaanu. manja manja gudapindatthinu velutha pinbhaagamund. kalmut chirakinu manjaniravum pinbhaagathu karutha marjinum undu.
vitharanam.
padinjaaran atlaantikkilaanu atlaantik threadfin kaanappedunnath, avide floridayile thekkum padinjaarum nyoo smirna beechil ninnu meksikkoyile yookkaattan upadveepilekku yunaittad stettile gulf oof meksikoo theerathekku ithu kaanapedunnu. yookkaattan upadveepinte vadakkan bhaagathum cubayilum ithu kanunnilla. vadakku ninnu deerghadooram neelamulla dweep vare naadodikal vazhithettikkunnu.
aavaasavyavasthayum jeevashasthravum.
atlaantik threadfin manal allengil cheli niranja adibhaagangalilum beechukalilum kaanapedunnu, ithu saadhaaranayaayi surf sonil kaanapedunnu. ithu meksikoo ulkkadalile aazhathilaan sambhavikkunnath, ennaal ettavum uyarnna samkhyakal meksikoo ulkkadalile aazhathilaan kaanappedunnath. kadal undaayirunna meksikoo ulkkadalinte uparithalathil ninnu eduthathinekkaal kuranja neelamulla yuva maathrkakal. 7 muthal 9 maasam vare praayamaakumbol laingika pakwathayude aake dairkhyathilaanu avar athunnathu. pradhaanamaayum desember pakuthikkum march pakuthikkum idayil nadakkunna muttayidal orupakshe meksikoo ulkkadalilum louisianayilum texassilum sambhavikkunnu, mothatthil 45 muthal 120 divasam vare neendunilkkunnu. 2 muthal 4 maasam vare praayamulla laarvakal venalkkaalathinte thudakkathil aazhamillaatha vellathil vasikkunnu, aazhamillaatha vellathilekku chitharikkidakkunnu. avaa saadhaaranayaayi oru varshathinusesham jeevikkunnillenkilum avarude aadya pelagic muttayidunnathine athijeevikkunna malsyangalil kooduthal aayirikkam.
speeshees vivaranam.
1858-ll brassos santiago, texasile gaalvesttan ennee tharatthilulla pradeshangalulla chaals frederic jirard atlaantik threadfine "polynemus octonemous" ennu aupachaarikamaayi visheshippichu.

