
bagh cuthark

bagh catharch (halelurus natalensis) catharch kii ack prajaati haye, joe skyliorinidae parivaar seey sambandhit haye. yeh dakshin africa key retile kshetron aur chattanon key aspas key kshetron mein paaya jaataa haye aur shayed mosambic, tata key karib seey laker aamtaur parr usase kaheen adhik gahare taka. iss chhoti, patali shark kii lambai taka pahunchane parr iska ack chauda, chapata sir hotaa haye jisamen ack oopar kii or seey noke hoti haye. ise peele bhoore rung kii prishthabhoomi parr duss gahare bhoore rung key kaathi key prishthiya rung key pattern seey bhee pahachaana jaa sakata haye.
neeche rahane vaalaa aur nishkriya, bagh cathark samudra tala parr yaa usake paas seey vibhinn prakaar kii machhliyon aur aksheruki jeevon koo khaata haye. ack andashay prajaati, maadaa apane andon koo aantarik roop seey taba taka barkarar rakhti haye jaba taka kii bhroon vikas kii unnat sthiti mein naa hoe, jisake parinamswarup bichhaane key baad apekshaakrit cumm samay nikalata haye. 12 aur 22 key beach key aavaran vaale andey ack samay mein utpaadit hotey hain, jinhen maadaa neeche seey jodati haye. bagh catarac koo sanyog seey vaanijyik aur manoranjak machuaaron dwara pakada jaataa haye lekin iska koee aarthik moolya naheen haye. ise prakriti sanrakshan key liye antarrashtriya sangh (aaee. yuu. see. aine.) dwara kamjor key roop mein soochibaddh kiya gayaa haye.
vargeekaran.
british echithologist charles tett regan ney 1904 mein vaigyaanik patrika "annels aind magazine off natural histry" key ack ank mein tiger catharch kaa varnan kiya, joe jey dwara british sangrahalaya koo prastut kiye gaye dou namoonon parr adharit thaa. aff. quicket. unhone prajaati koo "skylium" ("skyliorinus" kaa paryaayavaachi) mein rakhaa aur ise vishisht upnaam diyaa, "kyonki prakaar key namoone kathit taur parr dakshin africa key janm key tata seey ekatra kiye gaye they (halanki sandeh haye kii way galat they aur vaastav mein algoa khaadi seey aae they). baad mein lekhakon ney iss prajaati koo "halelurus" vansh mein phir seey niyukt kiya. panktibaddh cathark ("halelurus linetus") koo ack baar bagh cathark key liye vishisht maanaa jaataa thaa, jaba taka kii ise 1975 mein ack alag prajaati key roop mein varnit naheen kiya gayaa thaa.
varnan.
bagh key cuthark kaa shareer patala aur dridh hotaa haye, aur yeh lambe samay taka badhata haye. sir chauda aur chapata hotaa haye, jisamen ack alag aur oopar kii or kii noke hoti haye. kshaitij roop seey andakar aankhen sir parr oonchi sthit hoti hain aur praathamik nictitating jhilli dwara sanrakshit hoti hain. pratyek aankh key neeche ack chaudi katak haye, aur peechhe ack sarpil haye. madhyam aakar key nasika koo unake poorvavarti kinaaron parr twacha key lobe jaise flap dwara vibhajit kiya jaataa haye. naak key jhilli badey munh taka naheen pahunchate hain, joe ack vistrit mehrab banaata haye aur konon key chaaron or chhote khurr dhaaran kartaa haye. jaba munh bund hotaa haye, tou nichale jabade kaa kendra oopari seey bahut cumm hoe jaataa haye, jisase oopari daant ujagar hoe jaate hain. daant chhote aur 3-cusped (shayed hii kabhi 5-cusped) hotey hain, jisamen kendriya kasp sabse lamba hotaa haye. gill slitt key paanch jode munh key star seey adhik oopar rakhe jaate hain aur kuchh hudd taka oopar kii or hotey hain.
pectoral pankh kaafee badey aur goal hotey hain. pahale prishthiya pankh kii utpatti shroni pankh key aadhar key antim teesare hisse parr hoti haye, jabaki bahut badey dusare prishthiya pankh kii utpatti gudaa pankh key peechhe hoti haye. vayask purushon key clasper madhyam roop seey lambe aur tapering hotey hain, halanki kuchh vyaktiyon key clasper ghunghrale aakar key aur teekhe hoe sakate hain. gudaa pankh shroni pankh key aakar mein lagbhag barabar hotaa haye, aur dusare prishthiya pankh kii tulanaa mein chhota lekin lamba hotaa haye. chhote kaudal finn mein ack aspasht nichala bhaag hotaa haye aur oopari bhaag key sire key paas ack nilay nishan hotaa haye. twacha motee hoti haye; twacha key denticals mein teen-nukile mukut hotey hain aur vansh kii anya prajaatiyon kii tulanaa mein vyaapak roop seey antar hotey hain. oopar peele bhoore rung kii aur neeche cream kii iss shark mein sir seey laker poonchh taka duss prishthiya kaathi kii ack visheshta shrinkhala haye; pratyek kaathi gahare bhoore rung kii hoti haye, jisamen gahare kinare aur halke beach hotey hain. samaan panktibaddh cataric key vipareet, kaathi key beach koee dhabbe yaa atirikt nishan naheen hotey hain.
vitaran aur nivaas sthaan.
bagh catararc dakshini africa mein sthaanik haye, lekin isake vitaran kii seemaaen achchi tarah seey gyaat naheen hain. yeh paschimi aur purvi cape, dakshin africa mein honey key liye jaanaa jaataa haye, jabaki kwazulu-natal aur mosambic key purvi record panktibaddh cataric key saath bhram key kaaran anishchit hain. mahadvipiya shelf kaa ack aam, neeche rahane vaalaa nivasi, yeh shark retile flat aur chattanon key kinaaron kaa paksh letee haye. yeh aamtaur parr tata seey gaharaai taka paaya jaataa haye; isaki seema key purvi bhaag mein shark paschim kii tulanaa mein gahare paani mein paae jaate hain. mahadweep kii dhalaan parr neeche seey ack hii sandigdh record key saath-saath gaharaai seey prajaatiyon key record hain. yeh aakar key aadhar parr alag hoe sakata haye, vayaskon key saath joe tata seey door paae jaate hain.
jeev vigyaan aur paaristhitiki.
bagh catharch vibhinn prakaar key benthic jeevon kaa ack sust shikari haye. isake aahar mein asthi machhliyon aur crustatian kaa prabhutva haye, aur isamen cephalopods, polychat keede, chhoti shark aur scavenged machhali offle bhee shamil hain. yeh chokka squid ("loligo vulgaris renaudi") key andey dene key maidan mein dekhaa gayaa haye, joe squid koo khaate hain joe andey jamaa karane aur jamaa karane key liye neeche taka utar gaye hain. iss prajaati key pralekhit shikariyon mein broadnose sevangil shark ("notorincus sapidianus") aur ragged tooth shark ("carcheria torrus") shamil hain.
bagh key katahaar mein prajanan andashay hotaa haih maadaaen ack samay mein apane dou andaanuon mein seey pratyek mein 6-11 (aamtaur parr 6-9) andey detee hain. andey lambe aur paar key aspas kathin capsule mein nihit hotey hain; capsule key konon mein motee tendril hoti hain joe ise samudra key tala taka surakshit karane kii anumati detee hain. maadaa andon koo aantarik roop seey taba taka barkarar rakhti haye jaba taka kii bhroon kaafee hudd taka vikasit naheen hoe jaate, cumm seey cumm lambe samay taka maapate hain. iss prakaar, andey diye jaane key kewal ack yaa dou maheene key bheetar andey nikalate hain, jisase way shikariyon key sampark mein aaney vaale samay kii matra cumm hoe jaati haye. purush aur mahilaaen kramshah aur adhik samay taka yaun paripakvata taka pahunchane lagati hain.
maanav antahkriya.
manushyon key liye haanirahit, bagh catararc koo sanyog seey neeche key troller, manoranjak machuaare aur shayed hii kabhi squid machuaaron dwara pakada jaataa haye. halanki yeh khaane yogya haye, lekin yeh ack moolyavaan machhali naheen haye aur aamtaur parr ise fenk diyaa jaataa haye. prakriti sanrakshan key liye antarrashtriya sangh (aaee. yuu. see. aine.) vartamaan mein iss prajaati koo kamjor key roop mein vargeekrit kartaa haye.