Identification features of snakes, Description and differentiation

1. Poisonous And Non-
poisonous Snakes
DR.K.RAMESH KUMAR
ASSISTANT PROFESSOR
PG & RESEARCH DEPARTMENT OF ZOOLOGY
VIVEKANANDA COLLEGE
TIRUVEDAKAM WEST-625234
PNKRAMESH@GMAIL.COM

8. Sea Snake
Coral Snake

9. • The king cobra (Ophiophagus hannah) is
an elapid found predominantly in forests
from India through Southeast Asia.
• This species is the world's
longest venomous snake, with a length up to
18.5 to 18.8 ft (5.6 to 5.7 m).
• Despite the word "cobra" in its common
name, this snake is not a member of
the Naja genus ("true cobras").
• It preys chiefly on other snakes and
occasionally on some other vertebrates,
such as lizards and rodents.
• The king cobra is considered to be a
dangerous snake and has a fearsome
reputation in its range
King Cobra

10.  The black mamba (Dendroaspis polylepis) is
a venomous snake endemic to sub-
Saharan Africa.
 It takes its common name not from the
colour of its scales, but from the interior of
its mouth, which is inky-black.
 It is the longest species of venomous snake
on the African continent, with a length
typically ranging from 2 meters (6.6 ft) to 3
meters (9.8 ft) and up to 4.3 to 4.5 meters
(14.1 to 14.8 ft).
 It is among the fastest moving snakes in the
world, capable of moving at 11 km/h
(6.8 mph) over short distances.
Black Mamba

11. Snake King Cobra Black
Mamba
Average
Length
9.8 to 13 ft 8.2 to 10 ft
Max Length 18.8 ft 14.6 ft
Venom Neurotoxins and
Cardiotoxins.
Neurotoxins,
Cardiotoxins and
Calciseptine.
Area India, China,
Indonesia and in
some part of south
east Asia.
South Africa and
Africa.
Diet Eat other Snakes. Rats, Birds, lizards and
Insects.
Venom
Quantity
200 to 500 mg 50 to 120 mg
Comparison of King Cobra Vs Black Mamba

14. Non Poisonous snakes

15. Common Worm Snake
Typhlina bramina: A small worm-like snake
found all over India. In the hills, it lives up to
an elevation of 1000 mts.
Perrotet's Shield-tail Snake
Plectrurus perroteti: A small snake found in
the hills along the west coast of India, i.e.,
The Western Ghats, Nilgiri and Annamalai
hills.

16. Common Sand Boa
Eryx Conicus: A Short Thick-bodied Snake
Found In The Plains And Low Hills Of India.
They Are Nocturnal And Hunt After Dark.
Indian Rock Python
Python molurus: A large thick-bodied
snake found in many parts of India. It
ranges from the mangrove forest to arid
scrublands and dense rain forest of the
eastern Himalayas up to an elevation of
about 2000 mts.
Red Sand Boa
Eryx johnii: A medium-sized snake
with a very blunt tail. It is found in the
drier tracts of the country.

17. Vine Snake
Ahaetulla nasutus: A medium to large-
sized snake found all over India, except
in the northwest and parts of the Ganga
plain. They may occur at elevation of
about 2500 mts. preferring low bushes
and trees.
Bronze-back Tree Snake
Dendrelaphis tristis: A medium-sized
slender snake found all over India up to
anelevation of 2000 mts. in the
Himalayas. They prefer low bushes and
thorny trees.

18. Other Non-Poisonous Snakes