A cikin tsakiyar dajin da Peru da Brazil suka raba, ƙungiyar ƙwararru ta rubuta a sabon kwadi guba kankanin girma da haske a launi. An yi baftisma Ranitomeya hwata, an yi rajista a cikin Alto Purus National Park, ɗaya daga cikin mafi kyawun shimfidar wurare a cikin rafin Amazon.
Da kyar Tsawon millimeters 15 da shimfidar chromatic alama sosai, nau'in sun mamaye microhabitats a ciki gandun daji na bamboo na jinsin GuaduaAn tabbatar da binciken ta hanyar Ƙungiyoyin Hidimar Ƙasa na Ƙarfafa Ƙarfafawa ta Ƙarƙashin Ƙarƙashin Ƙasa (Sernanp) kuma an buga shi a cikin mujallar kimiyya ta Zootaxa bayan shekaru masu tasowa a cikin Purus River Basin.
Ganowa da mahallin
Tabbatar da kimiyya wani ɓangare ne na balaguron balaguro na dogon lokaci ta wuraren da ke da wahalar shiga cikin Purús basin, wani corridor na biogeographic wanda ke aiki azaman iyaka ta halitta tsakanin Peru da Brazil. A cewar Sernanp, rikodin ya nuna rawar da wannan ya taka yankin kariya a matsayin wuri mai tsarki don jinsunan da ba a san su ba.
Ƙungiya ta ƙasa da ƙasa ta haɓaka aikin Evan Twomey (Jami'ar Goethe Frankfurt), Paulo Melo-Sampaio (National Museum of Brazil) da Jason L. Brown (Jami'ar Illinois ta Kudu), tare da mai binciken Peruvian Roberto Gutiérrez Poblete (UNSA Natural History Museum da Sernanp), a tsakanin sauran kwararru.
Haka kuma, cibiyoyin na Jamus, Brazil, Amurka, Spain da kuma Peru, tare da mahimmin gudunmawa daga Cibiyar Nazarin Amazon ta Peruvian da kuma Biodiversity Museum na PeruBuga a cikin Zootaxa yana ƙarfafa mahimmancin binciken don ilimin herpetology na Amazonian.
Halaye da bambanci
A kallon farko, Ranitomeya hwata ya nuna matsanancin ratsi na dorsal rawaya a bangon duhu, a mottled ciki da kuma bakar band wanda ke raba makogwaro da ciki. Waɗannan fasalulluka suna sauƙaƙe bambance shi daga masu haɗawa iri ɗaya a yankin.
Girmansa - kimanin 1,5 santimita- sanya shi a cikin mafi ƙanƙanta irinsa Ranitomeya, Ƙungiya da aka sani da gubar fata da launin gargadi, wanda ke hana masu cin zarafi. Haɗin ma'auni da ƙirar launi sun tabbatar da maɓalli ga ganewar asali na taxonomic.
Habitat da halayyar haihuwa
jinsin yana hade da Guadua bamboo gandun daji, inda yake amfani da ramukan halitta a cikin mai tushe da ke tattara ruwan sama a matsayin ƙananan wuraren kiwo. Wannan microhabitat yana ba da matsuguni da albarkatu don haɓaka tsutsa.
Wani abu mai ban mamaki shine dabarun haihuwa: maza suna nuna hali polygynous, daukar mata da yawa zuwa wurin kiwo guda daya. Wannan tsari, wanda ba a saba gani ba a tsakanin dangi na kusa, yana ba da sabon labari game da bambancin dabarun haifuwa a cikin amphibians na Amazon.
Marubutan sun nuna cewa ƙwarewa a wuraren zama na bamboo da zabin microenvironment Za su iya siffata yanayin halittu da halayen nau'in, suna fifita keɓanta da bambanta da sauran kwadi a cikin zuriyarsa.
Kiyayewa da dacewa da yankin da aka kare
El Alto Purus National Park, a cikin yankunan Ucayalí da Madre de Dios kuma a cikin hulɗa tare da iyakar Brazil, ana la'akari da wurin shakatawa mafi girma a Peru kuma ɗayan mafi ƙarancin damuwa. Rashin samun damarsa ya ba shi damar kula da wuraren zama marasa kyau waɗanda ke da gida ga raye-raye da sabbin nau'ikan da aka kwatanta.
A cewar Sernanp, ganewar Ranitomeya hwata yana ƙarfafa darajar da Wuraren halitta masu kariya a matsayin mafakar rayayyun halittu da kuma tallafawa buƙatar ci gaba da sa ido, bincike da ƙoƙarin sarrafa daidaitawa a cikin Amazon.
Gano na Ranitomeya hwata A cikin Amazon na Peruvian-Brazil, ya kwatanta yadda binciken kimiyya a yankunan da aka karewa ke ci gaba da bayyana dabbobin da ba a san su ba: wani ɗan ƙaramin kwaɗi, tare da launuka masu faɗakarwa da halaye na musamman a cikin bamboo, wanda ke nuna ingantaccen kiyayewa na manyan gandun daji na ƙarshe a yankin.
