
diodora aspera

ruff keyhole limpett ennum ariyappedunna diodora aspera, keyhole limpettukalaya fisurellidae kudumbatthile oru maraine gastropod molesk aaya kadal nathayude oru inamaanu. kaazhchayil oru saadhaarana limpettinu samaanamaanengilum, athinte shellinte mukalbhaagathu oru dwaaramundu, ithu vidooramaayi maathrame bandhappettirikkunnul. ithinu palappozhum oru commensal aayi athinte shellil vasikkunna oru skeyil cheytha polykite puzhuvaaya "arctono vitaatta" undu. oru staarfish athine aakramichaal, athu svayam prathirodhikkaan maantil flaappukal neettunnu, koodaathe vettakkaarane oodikkaan puzhu sahayikkunnu.
vivaranam.
"diodora aspera" kku ekadesham ekadesham neelamulla oru koonn aakruthiyilulla shell undu. shellinte neelatthinte patthilonnu varunna oru apperchar mukalbhaagathinaduthaanu, ithu shwasanathinum maalinyangal neekkam cheiyunnathinum upayogikkunnu. paarayude uparithalathil chooshanam cheiyunna oru vishalamaaya call undu, shellinte marjin maraykkaan kazhiyunnathra valuthaanu eee maanttil. shellinte uparithalam parukkan vaariyellukal kondu nirmmichirikkunnu, saadhaaranayaayi chaaraniramo thavitt allengil chaaraniramo aanu, palappozhum irundathum ilam nirathilullathumaaya vikirana baandukalund. shellinte marjin krinulettum interior veluthathumaanu.
vitharanam.
alasca muthal meksikoo vareyulla vadakkukizhakkan pasaphik samudrathile thaddesheeya inamaanithu. intertidal soninte thaazhathe bhaagathum aazhamillaatha sub-littoralilum ithu sambhavikkunnu. ithu saadhaaranayaayi paarakalude thaazhathe bhaagathum thaazhathe bhaagathum pattinilkkunnu, pakshe chilappol kelppinte holdfastukalilum thandukalilum kaanapedunnu. veliyettam avasaanikkukayum athu thurannukaattappedukayum cheyyumbol, athu ellaayppozhum ore sthalathekku thanne gadippikkaan pravanatha kaanikkunnu, avide athinte shell paarayude rooparekhaykku nannayi yojikkunnu.
paristhithi.
veliyettam varumbol, eee keyhole limpett chuttum izhayunnu, athinte radula upayogichu paarayude uparithalathil ninnu bryosovanukaleyum aalgakaleyum polikkunnu. chila inam sponchukalum upayogikkunnu. lingabhedangal vyathyasthamaan, pakwathayulla gonaadukalulla vyakthikal varsham muzhuvanum sambhavikkunnu. beejasankalanathinu edayaakkunna kadalil muttakalum beejangalum ozhikkukayum laarvakal kadaltheerathu vasikkukayum cheiyunnu.
eee keyhole limpett ectoparacitic copepod "anticius nortoni" yude aathidheyanaanu. skeyil cheytha polikkettu puzhuvaaya "arctono vitaatta" "dii" yude oru komensalaayi pravartthikkunnu. aspera, "kaalinum shellinum idayil jeevikkunnu. eee puzhuvinu thaarathamyena valuppamund, ithu valare neelam vare valarunnu, ithu chernnupokaan valarendivannekkaam. puzhu oru vettakkaaranaan, pakshe athinte aathidheyane akramikkunnilla, pakaram chundukal neengumbol lakshyamidaanulla iraye thirayunnu. ennirunnaalum, oru bheeruthwamulla staarfish aduthuvannaal, athinte tube foottil kadichukondu athinte aathidheyane prathirodhikkaan athu thayyaaraan.
keyhole limpettinu staarfishinte akramanangalil ninnu svayam prathirodhikkanum kazhiyum. chila inam staarfishukalude sameepanam, athu athivegam vikasikkukayum shell moodunnathinaayi athinte aavaranathe mukalilekku madakkukayum cheiyunnu, athesamayam mattoru aavaranathinte flap kaaline moodunnathinaayi thaazhekku pathikkunnu. athesamayam, inhalent siphon apperchariloode vikasippikkukayum shellinte mukalbhagam moodukayum cheiyunnu. eee prathirodha pravartthanangalude falamaayi, staarfishinu athinte tube foottukal upayogichu limpatt shellil pidikkaan kazhiyilla; maandilil chila raasa prathirodham undakaan saadhyathayund. enthaayaalum, staarfish upekshikkukayum ekadesham irupathu minittinusesham limpatt athinte aavaranathe thaazhthukayum cheiyunnu. ellah staarfishukalum eee prathikaranam purappeduvikkunnil, ithu chila raasasoochanakalaal madhyasthatha vahikkaan saadhyathayund.