Northern Diamond-backed Water Snake
Nerodia rhombifer rhombifer
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- N. r. rhombifer – Bend Co, TX – photo by David Sledge
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- N. r. rhombifer – Brazos Co, TX – photo by Rob Klockman
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- N. r. rhombifer – Collin Co, TX – photo by Vicki Ewing
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- N. r. rhombifer – Collin Co, TX – photo by Vicki Ewing
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- N. r. rhombifer – Corell Co, TX – photo by Eric Runfeldt
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- N. r. rhombifer – Montgomery Co, TX – photo by Nathan Wells
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- N. r. rhombifer – Montgomery Co, TX – photo by Ory Martin
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- Map by Steve Bledsoe, SWCHR
DISTRIBUTION: In our region, Nerodia r. rhombifer occurs throughout the eastern 2/3 of Texas as far west as Val Verde County.
LEGAL STATUS: No Listings
MEANING OF SCIENTIFIC NAME: Nerodia rhombifer rhombifer (Howell – 1852)
Genus: Nerodia, Greek – honors Nereis, a Greek sea nymph
Species/Subspecies: rhombifer, Greek – rhombos = rectangular shaped + Latin – ifera = bearing – ref. diamond shaped dorsal pattern
Ref. Ellen Beltz 2006