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Southwestern Center for Herpetological Research

Crotalidae

Gallery Photo: simus
Gallery Photo: simus

The Crotalinae, or crotalines, are a subfamily of venomous vipers found in Asia and the Americas. The groups of snakes represented here include rattlesnakes, lanceheads and Asian pitvipers. They are distinguished by the presence of a heat-sensing pit organ located between the eye and the nostril on either side of the head. Currently, 18 genera and 151 species are recognized. These are the only viperids found in the Americas. Although a few species are highly active by day, most are nocturnal, preferring to hunt when their favored prey are also active. Many temperate species will congregate in sheltered areas or dens to overwinter, though most species do not mass together in this way. Here you may post messages or questions pertaining to all aspects and issues regarding the keeping, breeding, health, and conservation of Crotalids. If you are a new user to this forum, please take the time to review the rules first before posting: Terms of Service.

Topic Replies Last Post
A good end to the weekend...
by JediKnight1971 - Jul 22, 2007 12:47 PM
0 No replies
A few more babies...
by JediKnight1971 - Jul 22, 2007 12:46 PM
0 No replies
A few babies...
by JediKnight1971 - Jul 22, 2007 12:45 PM
0 No replies
How log is venom active?
by mrtigger - Jul 19, 2007 02:09 PM
1 Jul 20, 2007 06:00 PM
by KJN
pygmy rattlesnakes
by beladona - Jul 18, 2007 01:19 PM
0 No replies
TN Press: Remember, snakes protected
by - Jul 18, 2007 10:59 AM
0 No replies
Wild Crotalus horridus (montain form)
by Atrox788 - Jul 18, 2007 06:24 AM
12 Jul 20, 2007 12:12 PM
by tokaysrnice
0 No replies
WI Press: No shaking about rattlers
by - Jul 16, 2007 07:51 PM
0 No replies
0 No replies
PA Press: Timbers exhausted by young
by - Jul 04, 2007 01:08 PM
0 No replies
Crotalus oreganus oreganus
by matt85 - Jul 01, 2007 03:59 AM
3 Jul 01, 2007 09:06 PM
by CrotalusCo
HELP! How to start baby C. cerastes
by vferra7777 - Jun 30, 2007 08:46 PM
3 Aug 30, 2007 10:58 PM
by Jerry
Is this illegal?
by joeycap99 - Jun 29, 2007 05:49 PM
4 Jul 18, 2007 12:13 AM
by lateralis
Lucius the atrox
by elliotboney - Jun 27, 2007 01:02 PM
6 Jun 29, 2007 02:57 PM
by azatrox
Juvie atrox found while hiking
by azatrox - Jun 26, 2007 11:17 AM
10 Jun 27, 2007 09:57 AM
by azatrox
EDB update
by WK - Jun 25, 2007 06:52 PM
14 Jun 27, 2007 07:49 PM
by WK
SC Press: Net used to kill rattler
by - Jun 25, 2007 05:59 PM
1 Jul 11, 2007 09:40 AM
by
Crotalus horridus fangs
by RiseAbove - Jun 25, 2007 05:58 PM
6 Jun 27, 2007 04:54 AM
by CrotalusCo

by - Jun 25, 2007 05:28 PM
0 No replies
Rattlesnakes In Arizona (Questions)
by feflicker - Jun 25, 2007 05:08 PM
2 Jun 27, 2007 06:23 PM
by feflicker
Roadkill Diversion - Crotalus Horridus
by HappyHillbilly - Jun 20, 2007 11:47 PM
3 Sep 29, 2010 11:09 AM
by lcsrescue
Iraan Local Molossus
by Herptophile - Jun 19, 2007 10:32 AM
1 Jun 23, 2007 09:51 AM
by CrotalusCo
Lepidus from Iraan area..
by Herptophile - Jun 19, 2007 10:25 AM
1 Jun 23, 2007 09:53 AM
by CrotalusCo
Snow Lake klauberi - Getting huge!
by lepidus-klauberi - Jun 15, 2007 07:59 PM
2 Jun 23, 2007 09:54 AM
by CrotalusCo
Banded Rock Rattlesnake
by JLC0311 - Jun 13, 2007 12:29 AM
3 Jul 22, 2007 12:44 PM
by JediKnight1971
PA Press: Snake hunt on the rebound
by - Jun 11, 2007 09:10 PM
0 No replies
NY Press: Handler can't be rattled
by - Jun 11, 2007 08:06 PM
0 No replies
CA Press: Rattlers are thriving ..
by - Jun 01, 2007 08:05 PM
2 Jul 04, 2007 03:36 AM
by jasonmc
A couple lepidus from this past weekend
by Erik - NM - May 23, 2007 08:12 PM
4 May 25, 2007 06:59 PM
by Tom Lott
CA Press: Malibu's season of the snake
by - May 09, 2007 10:57 AM
0 No replies
0 No replies
IN Press x2: Pet Rattlesnake bites Man
by - May 08, 2007 10:57 AM
0 No replies
TX Press: TX & OK Handlers Show
by - May 07, 2007 08:36 PM
0 No replies
Phyrrus in coastal california?
by NVENOM8 - May 05, 2007 12:59 PM
1 May 07, 2007 04:09 PM
by Robert Haase
Found this fellow...
by j3nnay - Apr 27, 2007 10:25 PM
8 Jul 30, 2007 02:09 PM
by lepidusman
GA Press: Snake cure could kill you
by - Apr 26, 2007 07:20 AM
0 No replies
AZ Press: Girl in hospital after bite
by - Apr 26, 2007 06:54 AM
0 No replies
0 No replies
NC Copperhead
by guttersnacks - Apr 18, 2007 12:42 PM
1 Jun 04, 2007 06:35 PM
by CrotalusCo
CA Press: Rattlesnake season under way
by - Apr 11, 2007 10:07 AM
0 No replies
Some rattlers at a friends place
by Rob_Olivier - Mar 28, 2007 10:52 PM
1 Apr 05, 2007 12:01 AM
by jasonmattes
Unusual Atrox
by atrox182 - Mar 20, 2007 07:39 PM
1 Jun 19, 2007 10:34 AM
by Herptophile
Lets Try This Again Unusual Atrox
by atrox182 - Mar 20, 2007 05:41 PM
0 No replies
Different Looking Atrox
by atrox182 - Mar 18, 2007 08:36 PM
1 Mar 19, 2007 10:44 AM
by TimCole
CT Press: Snakes on a Plain (Roundup)
by - Mar 15, 2007 07:28 AM
0 No replies
Top or Front Opening cages?
by KangasKritters - Mar 13, 2007 09:37 PM
3 May 20, 2007 11:14 AM
by CrotalusCo
Rattelcop (pic link)
by - Mar 12, 2007 10:37 AM
0 No replies
C. atrox x Sistrurus?
by iowapitviper - Mar 06, 2007 08:34 PM
2 May 20, 2007 11:13 AM
by CrotalusCo
Northen black-tailed rattlesnakes
by Rob_Olivier - Feb 25, 2007 11:03 PM
0 No replies
Season is upon us
by ARCHIEBOTTOMS - Feb 21, 2007 09:24 PM
0 No replies
FL Press: Misses snake, hits leg
by - Feb 21, 2007 08:59 PM
2 Feb 22, 2007 09:27 AM
by ribello bertoni
After hiberbation: Panamint rattlesnakes
by Rob_Olivier - Feb 21, 2007 01:27 AM
1 May 20, 2007 11:16 AM
by CrotalusCo
GA Press: I Keep Clear of Snakes
by - Feb 11, 2007 05:14 PM
0 No replies
What's up there?
by Rob_Olivier - Feb 05, 2007 10:40 PM
0 No replies
Southern Pacific rattlesnakes
by Rob_Olivier - Jan 30, 2007 02:41 PM
8 Feb 26, 2007 12:16 PM
by jasonmc
C.molossus
by rearfang - Jan 29, 2007 07:05 AM
4 Jan 30, 2007 10:20 AM
by Rob_Olivier
0 No replies
0 No replies
VI Press: Rare snake seen near IW site
by - Dec 24, 2006 08:26 PM
0 No replies
Very sad... and it makes me MAD!
by EVILMORPHGOD - Dec 20, 2006 07:32 AM
2 Dec 29, 2006 10:37 PM
by fortiterinre
0 No replies
polystictus and triseriatus
by NVENOM8 - Dec 12, 2006 01:45 PM
0 No replies
PA Press: Running after rattlers
by - Dec 04, 2006 08:40 PM
0 No replies
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