Nhng loi rn thng gp Vit Nam Trong phn loi khoa hc, ngi ta sp xp ng vt theo th t hp dn sau: s sng vc (domain) - gii (regnum) ngnh (phylum) - lp (class) - b (ordo)- h (familia) chi (mt s ti liu gi l ging, genus) loi (species). Loi l ng vt c th m ta thy c. Loi c gi tn gm 2 phn, ch nghing. Ch 1 vit hoa dng ch tn chi, ch 2 vit thng dng ch 1 s thuc tnh ca loi. V d loi ngi chi l Homo, tn khoa hc ca loi ngi: Homo sapiens; sapiens l khn ngoan. Nu ch tn chi v c tnh l ch: sp hoc spp (s nhiu) th mun ch mt hoc nhiu loi bt k thuc chi . Vit Nam c 8 h (familia) rn: Rn H (Elapidae), Rn Lc (Viperidae), Rn Nc, Rn Rm Ri, Rn Giun, Rn Mng, Trn. Vi 8 h rn trn, Vit Nam c khong 170 loi rn chim 7.3% tng s loi rn trn th gii. Trong 170 loi rn c 31 loi l rn c nm trong 2 h Elapidae v Viperidae. Lu c mt s loi c tn l Rn H Hnh, Rn H My, Rn H t, nhng u thuc h Rn Nc nn khng c. Phn bit rn c v rn khng c (ch tng i): Rn khng c khng c tuyn c, nanh c; c vy m; khng c h m. Rn c th ngc li. Phn bit 2 h Rn H v Rn Lc: Rn H thng c u hnh bu dc ph vy ln, nanh c c rnh, thiu rng nh sau nanh c v thiu h m. Rn Lc thng c u hnh trn ph vy nh, nanh c dng ng, c nanh nh sau nanh c v c h m. Rn H Vit Nam c 13 ging, 27 loi. Mt s ging (genus) v loi (specie) thng gp sau: 1. Rn bin: Tn khc: n hay n.

Ging rn bin c khang 15 loi, ui t v dt 2 bn, ch bin, t gy nguy him cho ngi nhng lc ca chng c xp loi cc c. Sng khe ngm, ca sng, ca bin. . Bungarus :

Bungarus candidus. Tn: cp nia Trn thn c khc en khc trng xen k. Bng mu trng nn khc en khng vng ht thn. G lng khng r. ui nhn. Loi rn n m, n c, ln, chut, rn con. Rt c, chm chp, ch cn khi b tn cng. Phn b: Qung Bnh, Tha Thin Hu, c Lc, Lt, Phan Rang, Ty Ninh, Bin Ha.

Bungarus fasciatus. Tn gi: cp nong, mi gm, en vng. To, di c th trn 2m. Vy thn chy dc, nhn, xp thnh 13-15 hng. G lng r vi hng vy ln hn vy bn. ui t. Vng quanh thn v ui c nhiu khc en xen khc vng. Sng ni m thp, hang dc m nc, bi gii, m hay nm gn b rung. Rt c, chm, t cn ngi. Phn b: Sapa, Nng, Bun M Thut, Ty Ninh, Si Gn.

Naja atra. Tn gi: Chinese cobra, H bnh Mu xm hoc en, ng sau ch phnh mang, c 1 hoa vn dng hnh mt king vi 2 gng. Sng hang chut, hang mi, kim n m. Ng ng t thng 12- thng 2. Rn mi c kh nng cn cht ngi. Phn b ch yu min Bc Vit Nam. Ohiophagus:

Ophiophagus hannah. Tn: King cobra, rn h cha. C 1 loi. Rn rt to. Di t 4-7m. Bnh c theo chiu dc thn. dng ng phn trc thn. u ngn hi dp.

Sng trong rng, hc cy ln, di thn cy . Rt d. Ch ng tn cng ngi. Rn Lc(Vipe) VN c nhiu Loi nhng ni ting nht l 2 thng: Rn lc ui Rn lc ui l mt trong cc loi rn c nc c m mc c ca n ch ng sau loi rn h mang thng ny rt ni ting trong nam.t Hu ra bc th khng thy xut hin.

Rn lc chm loi ny xut hin hu ht khp cc vng trn t Vit Nam, nc c khng cht ngi,nhng lm ng mu,gy hoi t vt thng; vt cn rt au n v kh lnh.

tng hp t nhu ngun trn wiki