Question

Freshwater snakes are commonly
A. viviparous
B. Less poisonous
C. Deadly poisonous
D. Non-poisonous

Answer 1

Water snakes are snakes with aquatic habitat. Classification is as below:
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Suborder: Serpentes
Family: Colubridae
Subfamily: Natricinae
Genus: Nerodia.
The genus includes 9 species.

Complete answer: The markings and coloration of water snakes vary slightly from species to species, but for the maximum part, they are brown, grey, olive green, or reddish with dark spots. Occasionally they look solid black or brown when wet. Females are heavier and longer than males. The growth of female snakes is much faster than male snakes.
Water snakes feed on fishes and amphibians. Water snakes reside near the water source only.
Water snakes sometimes reside on trees and rest on the branches above the water. If disturbed, they drop down into the water. They have a habit of being solitary animals and are diurnal, though they occasionally hunt at night hours as well.
Water snakes produce a foul smell secretion called musk from glands near the tail region, which is released when they feel threatened.
So, the correct answer to the given question is option D. Non-poisonous.
Freshwater snakes are usually non-venomous i.e. non-poisonous.

Note: The phenomenon of resting snakes on branches or in sunlight is known as Basking.
Checkered Keelbacks is a species of the Asiatic water snake. Have chessboard pattern skin. It is also a non-venomous snake.
Usually, water snakes sink their entire body except for their head when steady exactly opposite to venomous water snakes.
Water snakes are often confused with water moccasin snakes also called cottonmouths.
Water moccasin snakes are venomous snakes.