Oray welang

Oray Macan Cai  checkered keelback (Fowlea melanzostus), katelah ogé  oray cai asia nyaéta hiji oray anu asalna tina kulawarga Colubridae. Ieu oray ka golongkeun kana  subfamily Natricinae, Spésiés ieu pituin ti Asia. Ieu oray henteu peurahan. Disungsi17 Mei 2024 
alt=|thumb|Keur moyan

Katerangan
Mata oray  F. piscator rada letik tur pondok jarakna ti liang irung dinu déwasa. Ieu rostral scale katempo ti luhur. skala internasal leuwih heureut na anteriorly  subtriangularly, kalawan anterior, jeung  anterior siku kapotong jeung salila skala prafrontal. Skala frontal éta leuwih panjang batan jarak ti tungtung moncong, jeung salila  parietal atawa sedikit saeutik leuwih pondok. Loreal ampir sajero pisan. Aya hiji preocular jeung tilu  (jarang opat) post-oculars. Temporals téh 2+2 or 2+3. Biasana aya salapan upper labials, kalawan asup kaopat jeung kalima panon;  jeung lima labials handap dina kontak jeung  anterior taméng gado, anu pondok ti posterior.  Dorsal scalesna disusun dina 19 jajar, kuat keeled, kalawan kaluar ngéntép rata. ventrals nomer 125–158, anal dibagi, jeung subcaudals nomer 64–90. Kelirna  variatif pisan, diwangun ku bintik poék disusun quincuncially sarta mindeng dipisahkeun ku jaringan bodas, atawa tina pita hideung  longitudinal luhureun taneuh, atawa pita hudeung poék anu meulit awakna, aya anu paselang bodas aya ogé anu henteu. Dua corétan hideung serong, hiji di  handap sawaréhna tukangeun panon, sadaya ampir konstan, aya atawa henteu aya hideung margins dugi ka taméng.Boulenger GA (1890). The Fauna of British India, Including Ceylon and Dua coretan hideung serong,. Reptilia and Batrachia. London: Secretary of State for India in Council. (Taylor and Francis, printers). xviii + 541 pp. (Tropidonotus piscator, pp. 349-350).

Oray welang mibanda ukuran sumedeng, tapi lamun seug diantep dugi ka déwasa panjang bisa nepi ka .

Kabiasaan
Seuseueurna oray ieu nyobian ngangkat sirahna duga badé nangtung bari sareng  kulit beuheungna mébér kawas tiung oray kobra pikeun nyingsieunan anu nyoba ngancam manéhna. Padahal mah ieu oray non-venomous (Henteu peurahan) pikeun manusa, tapi éta bisa gabalukarkeun  nyeri ku radang. F. piscator bisa ngabuntungkeun  buntutna salaku cara nyalametkeun diri tur kabisa kabur nyingkahan bahaya. Ieu hiji kasus langka, autotomy ieu kungsi dilaporkeun di Viétnam .Ananjeva NB, Orlov NL (1994). "Caudal Autotomy in Colubrid Snake Xenochrophis piscator From Vietnam"
Russian Journal of Herpetology 1 (2): 169-171.

Habitat
Oray welang  mikaresep hirup dina cai seger atawa deukeut ka cai saperti susukan atawa situ. thumb|alt=Checkered Keelback at Khulna|A checkered keelback (locally known as "Joldhora") spotted swimming at Beel Dakatia, Khulna, Bangladesh
Kahakanan oray welang F. piscator kayaning : lauk leutik jeung bancét. 

Baranahan
Oray welang F. piscator is sakali ngendog iraharna 30-70 endog, paling saeutik 4 bisa waé nepika 100. Ukuran gedé endogna rupa-rupa kurang-leuwih  paranjang. Bikangna ngajaga endog nepi ka megar. Anak oray nu kakara megar mibabda panjang  .Das I (2002). A Photographic Guide to Snakes and other Reptiles of India. Sanibel Island, Florida: Ralph Curtis Books. 144 pp. . (Xenochrophis piscator, p. 48).

Sebaran Géografis
F. piscator kapanggih hirup di Afghanistan, Bangladésh, Pakistan, Sri Langk, India, Myanmar, Népal, Thailand, [[[Laos]], Cambodia, Viétnam, [ Malaysia]], China (Zhejiang, Jiangxi, Fujian, Guangdong, Hainan, Guangxi, Yunnan), Taiwan, Australia and Indonésia di (Sumatra, Jawa, Bornéo, [Celebes]] = Sulawesi)

type locality: "East Indies".

Subspésiés
F. p. melanzostus  – Indonésia (Borneo [?], Jawa, Sulawesi [?]; Sumatra), India (Andaman jeung kapuloan Nicobar)
F. p. piscator  – Bangladésh, Bhutan, India, Myanmar, Pakistan, People's Republic of China (including Hainan), Sri Lanka, Taiwan, and Thailand

Taxonomy
Subspecies F. p. melanzostus tos didaftarkeun  kana spésiés status, salaku Fowlea melanzostus, ku  Indraneil Das dina 1996.

Ngaran séjén 
Mizo – tui rul
Assamese – ঢোঁৰা সাপ
Bengali – জল ঢোঁড়া/আটঘরিয়া সাপ
Odia – ଧଣ୍ଡ ସାପ
Gujarati – ડેંડવો સાપ 
Hindi – dendu saap
Indonesia – bandotan tutul
Kannada – ನೀರು ಹಾವು
Marathi – दिवड
Malayalam – നീർക്കോലി,പുളവൻ (Neerkkoli, Pulavan)
Tamil – கண்டங்கண்டை நீர்க்கோலி (kandangkandai neerkoli)
Telugu – నీరు కట్టే (neeru katte)
Bihari – dhoriya saap
Nepali – dhode/dhoriya saap
Chinese (Traditional Chinese) – "漁游蛇"
Chinese (Simplified Chinese) – "渔游蛇"
Sinhalese - "දිය බරියා"
Thai – งูลายสอ -->

Gambaran

Dicutat tina 

Further reading
Boulenger GA (1893). Catalogue of the Snakes in the .Volume I., Containing the Families ... Colubridæ Aglyphæ, part. London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 448 pp. + Plates I-XXVIII. (Tropidonotus piscator, pp. 230–232).
Dutt, Kalma (1970). "Chromosome Variation in Two Populations of Xenochrophis piscator Schn. from North and South India (Serpentes, Colubridae)". Cytologia 35: 455–464.
Schneider JG (1799). Historiae Amphibiorum naturalis et literariae. Fasciculus Primus, continens Ranas, Calamitas, Bufones, Salamandras et Hydros. Jena: F. Frommann. xiii + 264 pp. + corrigenda + Plate I. (Hydrus piscator, new species, pp. 247–248). (in Latin).
Smith MA (1943). The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-region. Amphibia and Reptilia. Vol. III.—Serpentes. London: Secretary of State for India. (Taylor and Francis, printers). xii + 583 pp. (Tropidonotus piscator, pp. 293–296, Figures 95–96).

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Kategori:Colubridae