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Bothrops
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by SnakeMaster25 on September 21, 2004
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Hi, I was just wondering what the main difference between Bothrops moojeni and B. atrox were. Also, please answer my question on probing.
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RE: Bothrops
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by paleoherp on September 22, 2004
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hi i ll give you a few photos on bothrops atrox :
http://itgmv1.fzk.de/www/itg/uetz/herp/photos/Bothrops_atroxHead.jpg
http://darkwing.uoregon.edu/~pzani/snakes.html
http://www.omnh.ou.edu/personnel/herpetology/vitt/PEGM.html
http://linnaeus.nrm.se/zool/herp/madserp.html.en
http://eco.ib.usp.br/labvert/Jararaca/projjar_especies.htm
http://www.geocities.com/hotherps/reptiles.html
http://animaldiversity.ummz.umich.edu/chordata/reptilia/squamata/viperidae.html
http://elib.cs.berkeley.edu/cgi/img_query?special=browse&where-lifeform=Reptile&where-taxon=Bothrops+atrox
http://www.amazonherp.com/reptiles/snakes/viperidae/bothatroy.htm
and some pics of bothrops moojeni:
http://www.snomnh.ou.edu/personnel/herpetology/vitt/Cerrado/Media/Bothrops%20mojeni.jpg
i would like to add Status uncertain; may be conspecific with B. atrox.
and these loads of books on sexing and info on the web probs are nt the only way they are sexed.
hope this helps SHAUN.
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RE: Bothrops
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by CAISSACA on September 22, 2004
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The differences are fairly subtle - basically, if you go back to the post about differences between B. asper and B. atrox, B. moojeni corresponds mostly to the characteristics for B. asper. Another difference is that the dorsal scale keels of B. moojeny are lower and longer then the somewhat tubercular keels of B. atrox, giving a softer, more velvety appearance, and the ventral pattern tends to consist more of small amounts of darker speckling than the chequerboard pattern more typical of B. atrox.
Having said that, there is very extensive intergradation between B. moojeni and B. atrox in parts of C. Brazil (along the SE edge of the Amazon Basin). While specimens from southeastern Brazil (moojeni) and much of Amazonia (atrox) are very distinct indeed, many specimens from intervening areas cannot be attributed to one or the other. This suggests that they are just differentated populations of one single highly variable species.
Cheers,
WW
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