
trispot darter

persiday kudumbatthile perches, rafukal, paikkeperchukal ennivayum adangiyirikkunna ethiostomaattine enna upakudumbathil ninnulla oru darter trispot darter (ethiostoma tricella) shudhajala reey-find malsyathinte oru inamaanu. ithu vadakkan jorjiayilum amerikkayile thekkan tennessyilum thaddesheeyamaanu, avide ithu konaasouga nadiyilum athinte poshakanadikalilum charitraparamaayi alabama nadeethadatthilum kaanapedunnu. ithinu rund parasparabandhitha aavaasavyavasthakal aavasyamaanu; prajnana seasoninu purathu ithu pradhana nadiyude peripheral sonukal ulkkollunnu, pathukke neengunna vellavum sasyavaranamulla cheli charal substrateukalum; prajnana seasonil ithu dhaaraalam sasyajalangalulla kaliman-adibhaagamulla substratulla choodulla vellathilekku neengunnu. aruvi pidichedukkalum bhoomi vikasanavum kaaranam anuyojyamaaya aavaasavyavastha nashtappedunnathinaal eee malsyathinte ennam kurayunnu. internaashanal union phoor kansarveshan oof nechar athinte samrakshana nilaye "durbala" mennu vilayiruthi.
vitharanam.
vadakkan jorjiayilum thekkan tennessyilum sthithi cheiyunna konaasouga nadiyudeyum athinte poshakanadikalinteyum thaddesheeyamaanu trispot darter. 1967ll vadakkan jorjiyayil oru maathruka kandethunnathuvare ezhu varshatholam eee inam athinte charitraparamaaya shreniyil ninnu vamshanasham sambhavichathayi karuthappettirunnu. charitraparamaaya shreni alabama nadeethadatthilum koosa nadiyude thekk bhaagathum chila jorjia nadikalilum aayirunnu. ways thadaakatthile oru jalasambharaniyilum eee inam kandethi. darter kandethanulla sameepakaalathe mattu sramangal vijayichilla; ithu ippol konasogayilum alabaamayude valia kanoo kreekkilum maathrame kaanappedunnulloo. manushyarude swaadheenavum vikasanavumaan vitharanathile idivinu kaaranamenn karuthappedunnu. vellathile cheli muttayude nilanilppine badhikkunnu, koodaathe sariyaaya jala thaapanila eee inathinte prajananathinu pradhaanamaan. konaasouga nadhi eee inathinu nirnaayakavum aswasthathayillaathathumaaya aavaasavyavastha nalkunnu.
aavaasavyavasthayum paristhithiyum.
"iii. tricellike rund vyathyasthavum ennaal parasparabandhithavumaya aavaasavyavasthakal aavasyamaanu. prajananam nadathaathappol, pradhana nadiyude peripheral sonukal ithu ulkkollunnu, pathukke neengunna vellavum chedikalulla cheli charal uparithalangalum. prajnana aavaasavyavastha valare choodulla vellamaan (muttayude pakwathaykku ettavum anuyojyamaaya vellam), saadhaaranayaayi kanatha sasyangalude ozhukkulla kalimannu-adibhaagamulla uparithalamaan.
eee daarttarinte bhakshanathinte 70 sathamaanavum chironomidae laarvakal aanu; malsyathinte vayarile ulladakkam parishodhichu alakkunnathupole, ephimeroptere nymphukal 19 sathamaanamaanu. central stonarolar ("campostoma anomalam"), sathen studfish ("fundulus stelifar"), koosa darter ("ethiostoma koose") thudangi niravadhi inangalumaayi eee inam athinte aavaasavyavasthayil sahavarthikkunnu. eee inathinte eaka yadhaartha malsaraarthi koosa darteraanu, kaaranam athinte vaayayude valipavum shareera neelavum bhakshanathinum sthalathinum bheeshaniyaakunnu. eee inathinte pradhana prakrithidatha vettakkar black baasukalil ("micropteres" januss) ninnullavaraan. malsyathinte sharashari saadhaarana neelam.
jeevithacharitram.
trispot darterinu sharashari ayuss ekadesham 2.5 varshamaan.
purushanmaarude charmmam thilakkamulla pigmentaayitheerunna march vare avaa januvariyil mulaykkunnu. charmmatthinte niram inaye aakarshikkumenn karuthappedunnu. oru penkunjinu 50 muthal 300 vare muttakal vare mutta clutch nambarukalil vyathyaasappedunnu.
samrakshanavum paripalanavum.
vamshanaashabheeshani neridunna inamaayi pattikappeduthiyittulla eee inam ippol kshayichukondirikkukaya. bhooprakrithiyude vikasanathiloodeyum aruvikalude kandukettaliloodeyum aavaasavyavasthayude nashtamaanu eee inathinte thakarchaykku pradhana kaaranam.