water moccasin

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moccasin

 [mok´ah-sin]
any of several species of snakes of the genus Agkistrodon.
highland moccasin copperhead.
water moccasin Agkistrodon piscivorus, a venomous semiaquatic pit viper with an olive or brown back, found in the southern United States. Called also cottonmouth.

water moccasin

n.
1. A semiaquatic pit viper (Agkistrodon piscivorus) of lowlands and swampy regions of the southeast United States. Also called cottonmouth.
2. Any of various similar but harmless water snakes.
References in periodicals archive ?
Natural history of the western cottonmouth (Agkistrodon piscivorus leucostoma) from an upland lotic population in the Ozark Mountains of northwest Arkansas.
Variation in cottonmouth (Agkistrodon piscivorus leucostoma) resting metabolic rates.
Natural history of cottonmouth moccasin, Agkistrodon piscivorus (Reptilia).
Agkistrodon piscivorus leucostoma (western cottonmouth).
Survival of western cottonmouths (Agkistrodon piscivorus leucostoma) in a pulsing environment.
Model AIC [DELTA]AIC K [phi](.) p(AREA) 609.9 0.0 3 [phi](AREA) p(.) 610.4 0.5 3 [phi](.) p(.) 610.5 0.6 4 [phi](AREA) p (AREA) 610.7 0.8 4 [phi](TESA) p (AREA) 612.0 2.1 4 [phi](SEX) p (AREA) 612.0 2.1 4 [phi](AREA) p (SEX) 612.1 2.2 4 [phi](.) p (SEX) 612.3 2.4 3 [phi](TESA) p (.) 612.4 2.5 3 [phi](SEX) p (.) 612.6 2.7 3 [phi](TESA) p (SEX) 614.2 4.3 4 [phi](SEX) p (SEX) 614.4 4.5 4 Table 2--Model-averaged estimates (based on all models) of probability of apparent survival ([phi]) and detection (p) of male and female western cotton- mouths (Agkistrodon piscivorus leucostoma) in two study areas (areas 1 and 2) before and after expansion of the study area.
melanoleucus) and the viperid snake, Agkistrodon piscivorus as reported by Johnson et al.
Three species, the western cottonmouth (Agkistrodon piscivorus leucostoma), the eastern yellow-bellied racer (Coluber constrictor flaviventris) and the Texas garter snake (Thamnophis sirtalis annectans), accounted for 58% of all individuals captured.
To minimize handling for safety reasons, specimens of the venomous western cottonmouth (Agkistrodon piscivorus leucostoma) and southern copperhead (Agkistrodon contortrix contortrix) were not marked.
(1991) found it to be ubiquitous in all habitats and dominant in all areas except the lowland floodplain where it was second in abundance to the cottonmouth, Agkistrodon piscivorus. Its frequency in northeastern Texas would suggest that it has an important role in the ecology of both the pine and hardwood forests of the area.
Agkistrodon piscivorus leucostoma (Troost, 1836) (Western Cottonmouth).