dasancha massa

western daas (gambusia affinis) haah uttar americetil godya panyatil massa aahe, jyala samanyatah, jarr sandigdhatene, fakt daas mhanoon kinwa tyachya samanya navane, "gambusia" kinwa samanya navane gambasy mhanoon dekhil olakhale jaate. tyachi bhagini prajati, purvekadil daas ("gambusia holbrooky") hyalahi yaa navanni sambodhale jaate.
itar anek godya panyachya mashanchya tulanet daas lahan asatat, jyamadhye maadee mashanchi lambi jastit jaast asate aanee narr mashanchi lambi jastit jaast asate. madila tichya mothya aakaramule aanee tichya potachya mageel bajus asalelya aakunchansheel thipkyane narapasoon vegale kele jaau shakate. dasanchya alya khanyamule aanee dasanchya jaivik niyantranasathi itar konatyahi mashanpeksha jaast vaparale jaat asalyamule 'dasfush' heey naav denyat aale. gambusia samanyatah prani, bhring, mephlai, cadisfly, sukshmajiv aanee itar aprushthavanshi prani khato; dasanche alya tyanchya aaharacha keval eka chhotasa bhag banatat.
dasanchi sankhya qamee karnyasathi jaiv niyantran mhanoon dasanchya mashanna jagachya anek bhagantil parisansthanmadhye thet samavisht kele gele, jyamule pratyek vishisht jaivakshetratil itar anek prajatinvar nakaratmak parinam jhaala. austreliyatil dasanchya mashanche vargikaran hanikarak keetak mhanoon kele jaate aanee dasanchya alyanchya sthanik aksheruki shikari pranyanna parabhoot karoon anek bhagat dasanchi samasya vadhavali asel. californiatil anek parganya tyanchya daas qamee karnyachya karyakramacha eka bhag mhanoon manavnirmit mashanchi talav aanee talav asalelya rahivashanna vinashulk dasanche maase vitareet karatat. heey maase keval rahivashanna upalabdh karoon dile jaatat aanee tyancha vapar keval tyanchya swatachya malmattevar keela jaava, naisargik adhivasat aanala jaau naye. 24 februwari 2014 roji, bharatatil chennai mahamandalane godya panyatil dasanchi sankhya niyantrit karnyasathi 660 talavanmadhye pashchatya dasancha samavesh keela.
garbhadhan heey antargat asate; narr tyachya gonopodiyamdware madichya jananendriyachya chhidramadhye galoon stravato. sambhoganantar 16 teey 28 divasanchya aat, maadee sumare 60 lahan mulanna janm dete. purush 43 teey 62 divasanchya aat laingik paripakvata gathatat. jarr maadee, prajnan hangamachya suruvatila janmala aalya, tarr 21 teey 28 divasanchya aat laingik paripakvata gathatat; hangamat nantar janmalelya maadee pudhil hangamat, sahaa teey saat mahinyant laingik paripakvata gathatat.
varnan.
daas lahan aanee nistej rakhadi rangache asatat, mothe pooat asalele asatat aanee tyanchya prushthbhagachya aanee kadyachya golakar pankh asatat aanee tond varche hote. laingik dvirupata disun yete; praudh mahila ekoon kamal lambiparyant pohochatat, tarr purush fakt pohochatat. sharirachya sharirik sanrachananmadhyehi laingik dvirupata disun yete. praudh mahilanvaril guddwaratil pankh prushthbhagachya pankhasarkhe asatat, tarr praudh purushanchya guddwaratil pankh tokdar asatat. yaa tokdar pankhacha vapar, jyala gonopodium mhanatat, madichya aat gaal jamaa karnyasathi keela jaato. praudh maadee dasanna tyanchya potachya mageel bajus asalelya gambhir thipkyane olakhale jaau shakate. jee sarkhya manalya manalya itar prajati. afinismadhye 'posilia latipinna', 'posilia reticulata' aanee 'ziphophorus maculatus' yancha samavesh hoto; teey samanyatah daas mhanoon chukiche olakhale jaatat.
namkaran aanee vargikaran.
daas haah cyprenodontiforms kramankachya poecilidae kutumbatil eka sadasya aahe. gambusia' heey vansh naav cuban spanish shabd 'gambusino' varoon aale aahe, jyacha arth 'nirupayogi' assa hoto. dasanchya jaivik niyantranasathi tyanchya vaparavarun dasanche maase heey samanya naav ghetale gele aahe, jeey swatach suruvatichya nirikshananvar aadharit hote qee, kahee vishisht paristhitinmadhye, teey dasanchi vipulata qamee karoo shakatat. purvekadil dasanchya mashanshi tyanchya samanatemule aanee aay. tii. aay. ess. (ekatmik vargikaran mahitee pranali) nusar, pashchatya dasanche vargikaran karane katheen jhaale aahe. holbrooky "(purvekadil daas) heey avaidh vargikaranatmak naav asoo shakate aanee teey" jee "chee upaprajati manale jaau shakate. affinis ".
aahar.
dasanche maase heey aaharatil samanyavadi aahet, parantu teey daas aanee itar jalchar kitkanchya alya khatat mhanoon tyanna 'alyabhakshi' manale jaate. tyanchya aaharat pranijantu, lahan keetak aanee keetak alya aanee apachaneey padarth yancha samavesh asato. jarr dasanche alya vatavaranat upalabdh asateel tarr dasanche maase jivanachya serve tappyanvar dasanche alya khatat. praudh maadee eka divasat shekado dasanchya alya khau shakatat. eka dassane eka divasat sevan karnyache kamal praman tyachya swatachya sharirachya vajanachya 42%-167% pasoon asalyache disun aale aahe. tathapi, keval dasanchya alyanna khalle tarr tyanna mrutyudar sosava lagoo shakato aanee yaa aaharatoon vachalelyanchi vaadh aanee paripakvata qamee asalyache disun yete. samanyavadi mhanoon, dasanchya mashanni tyanchya swatachya prajatichya lahan mulanvar narbhakshi vartan dekhil dakhavale aahe.
adhivas.
dasanchya mashanchi mool shreni eleanoy aanee indianachya dakshinekadil bhagatoon, mississippy nadee aanee tichya upanadyanchya sampoorn panyaparyant, meksikochya ishanyekadil bhagatil aakhati aakhati dakshinekade aahe. teey mothya mashanpasoon sanrakshit uthal panyat sarvat mubalak pramanat aadhaltat.
dasanche maase tulanene abhyagat vatavarnamadhye tiku shakatat aanee qamee oxygenche praman, uchch mithache praman (samudrachya panyachya duppat) aanee alp kalavadhisathi tapmanasathi lavchik asatat. kathor paristhitishi tyanchi lakshaniy julavun ghenyajogi kshamata aanee daas niyantranasathi anek adhivasanmadhye tyancha jaagtik parichay asalyamule, tyanche varnan jagatil sarvat vyapak godya panyatil maase mhanoon kele gele aahe. tyanchya kahee naisargik shikari pranyanmadhye baas, catfish aanee bluegil yancha samavesh hoto.
jaagtik aakramanacha itihas aanee paryavaraniy parinam.
dasanchya alya khaun dasanchi sankhya qamee karnyasathi dasanchi sankhya mothya pramanat asalelya anek bhagat dasanche maase jaanunbujun aanale gele. tathapi, mage valoon pahatana, anek parichay ayogya-sallah manale jaau shakatat; bahutek prakarananmadhye sthanik maase dasanchya sankhyevar niyantran thevatat aanee dasancha samavesh karane heey sthanik jaljivanasathi hanikarak aahe. dasanchya sthanik shrenichya baher tyancha pravesh dekhil parisansthansathi hanikarak tharoo shakato. daas itar lahan maase khau shakatat kinwa jakhami karoo shakatat kinwa spardhedvare tyanna haanee pohochavu shakatat. dasanchya mashanche paryavaraniy parinam anshatah tyanchya ling gunottaradvare nirdharit kele jaatat, jeey tyanchya parichayat asalelya shrenimadhye natakiyaritya badaloo shakatat. austreliyatil dasanna ghatak keetak manale jaate, jethe teey sthanik maase aanee bedkanchya loksankhyesathi dhokadayak asatat aanee qamee purave asey darshavtat qee tyanni dasanchi sankhya kinwa dasjanya rog niyantrit kele aahet. shastradnyanni tyanna "grahavareel sarvat samasyapradhan pranyanpaiki eka" asey sambodhale aahe.
tathapi, 1920 teey 1950 chya dashkaparyant, dasanchya masali dakshin america, dakshin russia aanee yukrenmadhye maleriyache nirmulan karnyasathi eka mahattvapoorn ghatak asalyache kahijan manat hote. joy lochdware prajnan kelele daas greece, serbia aanee madhyapurvet vitareet kele gele. rashiyatil kalya samudrachya samudrachya, sochimadhil eka smarkadvare maleriyache nirmulan kelyabaddal dasanche smaran kele jaate. 
dasanchya jaivik niyantranasathi ajunahi kahee thikani dasancha vapar keela jaato. 2008 madhye, californiachya kahee bhaganmadhye aanee newada yetheel clark countymadhye, dasanche matsyalayat prajnan kele gele jenekarun lock west nail vishanuchya prakarananchi sankhya qamee karnyasathi dasanchya panyache sathe sathavu shaktil.
prajati vitaran namunyandware, heey ughad jhaale aahe qee "jee. aashiyatil ushnakatibandhiy pradeshankade lakshaniy badalasah, affinis tyanchya naisargik hawaman shrenichya palikade lakshaniy vishisht vistar darshavite. heey nishkarsh yaa prajatinchya paryavaraniy lavchiktevar prakash taktat, tyanchya vyapak yashat yogdan detat aanee pudhil shrenichya vistarasathi lakshaniy dhoka nirman karatat. shivay, hawaman badalachya kalat yaa prajaticha prasar suruch raheel asey manale jaate.
punarutpadan.
dasanchya mashanche punarutpadan, narane gonopodiumchya (sudharit guddwaratil pankh) kirananchi mandani eka chhotya naliket kelyane suru hote. narr dasancha massa antargat garbhadhan prakriyet madichya jananendriyachya chhidramadhye gaal stravanyasathi yaa nalikeey pankhacha vapar karato. madiche jananendriyache chhidra guddwaratil pankhyachya agadi mage asate aanee heey andakoshatil andakoshala falit karnyasathi galoon taknyasathiche eka dwar asate. daas heey avkashiy telesteimadhye asatat aanee serve telest pramanech dasanchya mashanmadhye garbhashayacha abhav asato, tyamule andakoshanchi nirmiti aanee garbhadharana hii maadee dasanchya andashayat hote. madichya aat, nantar andashayala falit karnyasathi anek purushanche shukranu sathavale jaau shakatat. prayogshaletil prayoganchya aadhare, vasant rututil tapman pohochalyavar maadee daas vitelogenic banatat aanee nantar sarasari tapman sumare pohochalyavar andakosh paripakv hotat. tyanantar unhalyachya uttaradhat jevha photoperiode 12.5 tasanpeksha qamee lamb asato, tevha andakoshancha pudhcha samooh vikasit hoto. eka punarutpadak hangamat, maadee sathavalelya galasah, garbhachya done teey sahaa santati falit karoo shakate, aanee hangam jasjasa pudhe sarakato tasatasa santaticha aakar qamee hoto. punarutpadanache darr heey tapman aanee shidha patalivar khoop avalambun asatat. tapman 20 teey 30 ansh celsiasparyant vadhat asatana, pahilya punarutpadanache sarasari vay 191 teey 56 divasanparyant qamee hote aanee santaticha aakar aanee santatiche praman lakshaniyaritya vadhate. 25 aanee 30°seey. yaa antar-vruksh madhyantarancha andaj anukrame 23 aanee 19 divasancha aahe.
bhrunshastra.
dasanchya masalicha garbhadharanecha kalavadhi 16 teey 28 divasancha asato. teey lecithotrophic aahet, jyacha arth garbhadharanedarmyan, pivalya pivalya pishavidvare garbhanna poshakdravye puravali jaatat. jarr garbhadharanecha kalavadhi qamee asel, tarr janmachya velee pratyek navjat balala sharirachya bhintichya ventral bajula asalelya chitadware jodali geleli pivali pishavi asel. madichya santaticha aakar dilelya madichya aakaravar avalambun asato; lahan madipeksha mothya maadee mothya santatisathi adhik saksham asatat. anek mahilanchya mulanche praman 60 varshanparyant kinwa tyahoon adhik lahan asate. dasanche maase pranghatak asatat, jyacha arth, santatichya garbhadharanenantar maadee jiwant janm gheil. bahutansh prakarananmadhye, navjat santatiche purush aanee striche ling gunottar samaan asel.
vaadh.
janmanantar, navjat dasanchi lambi sumare asate. kishoravayin mhanoon, teey sumare darrojchya darane vadhatat, parantu vaadh hii tapmanavar avalambun asate. jevha sansadhananchya upalabdhatenusar panyache tapman eka shrenichya aat asate tevha kishore dasanchya mashanche vadhiche praman tyanchya shikharavar pohochate. tapman yaa shrenichya varr kinwa khalee jaat asatana, vadhicha darr qamee hoto. tapmanat kinwa tyahoon adhik satatyapurn tapman samanyatah pranghatak asate, tarr tapmanat kinwa tyahoon qamee asatana vaadh thambate. narr dasanchya masalisathi, laingik paripakvata sumare 43 teey 62 divasant pohochate, parantu paripakvata vay dekhil tapman aanee sansadhananvar avalambun asate. prajnan hangamat lavkar janmalyas maadee daas sumare 21 teey 28 divasant laingik paripakvata gathatat. dasanchya mashanche ayushya sarasari eka varshapeksha qamee asate aanee kamal sumare deed varshe asate. tathapi, paliv prani mhanoon thevalele daas jaast kaal jagoo shakatat, aanee malak teen varshanhun adhik ayurman nondavtat. narr dasanche ayushya mahilanpeksha barech qamee asate.

