Snake Species Dinosaur species

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Nerodia rhombifer rhombifer - Northern Diamond-backed Watersnake

Nerodia rhombifer rhombifer - Northern Diamond-backed Watersnake - snake species | gveli | გველი

Nerodia rhombifer rhombifer - Northern Diamond-backed Watersnake

Description

This stoutly-built aquatic species is generally brown to olive with a dark, chainlike pattern down the back. The belly is yellowish with dark, half-moon spots that occur irregularly but are concentrated at the sides.

Distinguishing this species from other nonvenomous watersnakes and, more importantly, from the venomous Cottonmouth takes a discerning eye that must be trained. Refer to each species account to learn the subtle differences.

Habitats

This species occurs in a variety of wetland habitats: swamps, lakes, ponds, rivers, etc. It is mostly a lowland species and is uncommon in the Ozark and Ouachita Mountains. Habits and Life History

This species can be observed during daylight hours basking along the banks of water. It is known to bask in branches and vines overhanging the water. (Cottonmouth are not known to exhibit this same tree-basking behavior.) Although this species may occasionally forage during the day, it is usually more active at night. The seasonal activity of this species correlates with the temperature of water and, to a lesser extent, ambient temperature. When the water and ambient temperatures reach their highs in late summer, this is also when you can expect the most activity from watersnakes.

Prey and Hunting Techniques

This species feeds primarily on fish. To hunt, it will find a spot with plenty of fish activity in and around rock crevices or submerged logs. It will sway from side to side with its mouth partially agape until a fish snags on its hook-like teeth. Then snap! If the prey is larger and unwieldy in the water, it may drag it to the shoreline for consumption.

Temperament and Defense

This species will make a hasty retreat into the nearest water when approached. If escape is not possible, it has quite an unsavory temperament. Like other watersnakes of the genus Nerodia, it will thrash, bite, and musk.

Conservation

Many people mistake this species for a venomous Cottonmouth and kill it on sight. This is especially true at rural farm ponds and fish farms where people try to "protect" their fish stock. Despite persecution, populations of this species appear secure.

State Distribution and Abundance

This species is found throughout most of the southeastern half of the state and along the Arkansas and White Rivers. In its range, it is one of the most abundant and commonly encountered serpents.

Crotalus oreganus helleri - Southern Pacific Rattlesnake | Snake Species Arizona elegans candida - Mohave Glossy Snake | Snake Species  CHIHUAHUAN BLACK-HEADED SNAKE <br />    Tantilla wilcoxi | Snake Species
BLACK-NECKED GARTERSNAKE  <br />Thamnophis cyrtopsis	 | Snake Species Diadophis punctatus similis - San Diego Ring-necked Snake | Snake Species Lampropeltis getula splendida - Desert Kingsnake | Snake Species
Diadophis punctatus similis - San Diego Ring-necked Snake | Snake Species Crotalus scutulatus scutulatus - Northern Mohave Rattlesnake | Snake Species Pituophis catenifer annectens - San Diego Gopher Snake | Snake Species
Lampropeltis triangulum gentilis  - Central Plains Milksnake | Snake Species Sonora semiannulata semiannulata - Variable Groundsnake | Snake Species Diadophis punctatus occidentalis - Northwestern Ring-necked Snake | Snake Species
LONG-NOSED SNAKE <br />  Rhinocheilus lecontei | Snake Species Thamnophis couchii - Sierra Gartersnake | Snake Species THORNSCRUB HOOK-NOSED SNAKE  <br />   Gyalopion quadrangulare | Snake Species
GLOSSY SNAKE  Arizona elegans | Snake Species WESTERN SHOVEL-NOSED SNAKE   <br />   Chionactis occipitalis | Snake Species Diadophis punctatus modestus - San Bernardino Ring-necked Snake | Snake Species
WESTERN PATCH-NOSED SNAKE <br /> Salvadora hexalepis | Snake Species Diadophis punctatus amabilis - Pacific Ring-necked Snake | Snake Species CHIHUAHUAN NIGHTSNAKE  Hypsiglena jani | Snake Species

Copyright © 2012