Snakes in sri lanka

April 10, 2023April 10, 2023 M.M.Aznee AhamedM.M.Aznee Ahamed 11

Snakes IN Snakes IN Sri lankaSri lanka

M.M.Aznee M.M.Aznee AhamedAhamed

08-C08-C23.02.201023.02.2010


ContentsContents Introduction.Introduction. Highly Poisonous Snakes In Sri Lanka - Highly Poisonous Snakes In Sri Lanka -

Cobra, 2 Species of Krait, 2 Species of Vipers.Cobra, 2 Species of Krait, 2 Species of Vipers. Mildly Poisonous snakes.Mildly Poisonous snakes. Non poisonous snakes.Non poisonous snakes. Preventing snakes’ bites.Preventing snakes’ bites.


IntroductionIntroduction Snakes are reptiles.Snakes are reptiles. They are legless.They are legless. They creep along the ground.They creep along the ground. They are carnivores.They are carnivores. Some times they feed on prays much bigger Some times they feed on prays much bigger

than their mouth.than their mouth.


Salivary glands are modified into poisonous Salivary glands are modified into poisonous glands.glands.

Poison is send out by a canal and injured on to Poison is send out by a canal and injured on to the pray by canine teeth . They are known as the pray by canine teeth . They are known as fangsfangs..

Poison fangs are found only in poisonous Poison fangs are found only in poisonous snakes.snakes.

Snake poison is an protein solution. It contains Snake poison is an protein solution. It contains enzyme and water.enzyme and water.

They effect the nervous system of the pray.They effect the nervous system of the pray.


They have specially adapted mouths and jaws for They have specially adapted mouths and jaws for this purpose. this purpose.

The lower jaws consist of 2 halves.The lower jaws consist of 2 halves. They are fastened by an elastic substance.They are fastened by an elastic substance. So, the pray is paralyses.So, the pray is paralyses. And also the enzymes help the digestion of the And also the enzymes help the digestion of the

pray.pray. Anti-venom vaccine is given to snake victims.Anti-venom vaccine is given to snake victims. This can also be used to prepare drugs for This can also be used to prepare drugs for

Leprosy, Asthma Leprosy, Asthma and and Measles.Measles.


Highly Poisonous Snakes In Highly Poisonous Snakes In Sri LankaSri Lanka

There are 96 species of snakes in Sri Lanka. There are 96 species of snakes in Sri Lanka. 5 species are highly poisonous snakes, other 91 5 species are highly poisonous snakes, other 91 species are mildly poisonous and non-poisonous species are mildly poisonous and non-poisonous snakes.snakes.

Cobra, Indian Krait, Sri Lankan Krait, Saw Cobra, Indian Krait, Sri Lankan Krait, Saw scaled Viper, Russell's Viper are the highly scaled Viper, Russell's Viper are the highly poisonous snakes in Sri Lanka.poisonous snakes in Sri Lanka.


CobraCobra

Length:- 130-200 cm.Length:- 130-200 cm. Special features:- Upper side of the body is Special features:- Upper side of the body is

light brown or grey. There are yellow or white light brown or grey. There are yellow or white stripes at intervals. It has a hood witch can be stripes at intervals. It has a hood witch can be expanded. There are 2 black spots under side expanded. There are 2 black spots under side of the head. of the head.

Habitat:- During the day it looks for food Habitat:- During the day it looks for food while the night times hide in termite hills, rat while the night times hide in termite hills, rat holes and piles of fire wood.holes and piles of fire wood.


Indian Indian Krait [Common Krait]Krait [Common Krait] Length:- 90-110 cm.Length:- 90-110 cm. Special features:- Highly poisonous species of Special features:- Highly poisonous species of

snake. Upper side of the body is blackish snake. Upper side of the body is blackish brown. Body is shiny. It even prays on other brown. Body is shiny. It even prays on other non poisonous snakes.non poisonous snakes.

Habitat:- During night looks for food and Habitat:- During night looks for food and during day hide under decaying leaves, loose during day hide under decaying leaves, loose soil or dry grass. Can be found in water soil or dry grass. Can be found in water bodies.bodies.


Sri Lankan KraitSri Lankan Krait

Length:- 90 cm.Length:- 90 cm. Special features:- Highly poisonous species of Special features:- Highly poisonous species of

snake. Body is blackish purple. Has ring like snake. Body is blackish purple. Has ring like white bands across the body.white bands across the body.

Habitat:- Looks for pray in night. In day times Habitat:- Looks for pray in night. In day times hide under rotting leaves, piles of stone. When hide under rotting leaves, piles of stone. When frightened coils up and hide it’s head in the frightened coils up and hide it’s head in the coil.coil.


Saw scaled ViperSaw scaled Viper

Length:- 30-45 cm.Length:- 30-45 cm. Special features:- Has a white bird’s foot Special features:- Has a white bird’s foot

shaped marked on the head Upper side of theshaped marked on the head Upper side of the body is greyish brown. It has diamond shaped body is greyish brown. It has diamond shaped marks on it’s body.marks on it’s body.

Habitat:- Nocturnal. During day hides under Habitat:- Nocturnal. During day hides under loose soil, drying leaves or shrubs. It jumps loose soil, drying leaves or shrubs. It jumps forward when attacking a prey and recoils to forward when attacking a prey and recoils to the normal position.the normal position.


Russell's ViperRussell's Viper

Length:- 80-120 cm.Length:- 80-120 cm. Special features:-Special features:- Upper side of the body is Upper side of the body is

reddish brown. The under side is yellowish reddish brown. The under side is yellowish white. In the centre of the body and on either white. In the centre of the body and on either side there are 3 rows of black dots.side there are 3 rows of black dots.

Habitat:- Most activities in the night. It hisses Habitat:- Most activities in the night. It hisses as a warning sign before attacking.as a warning sign before attacking.


Mildly Poisonous Snakes Mildly Poisonous Snakes In Sri LankaIn Sri Lanka

These snakes do not kill us.These snakes do not kill us. They affect may persist for a few days.They affect may persist for a few days. It can effect kidneys and also it can cause It can effect kidneys and also it can cause

sever pains and swelling.sever pains and swelling. E.g.:- Polong thelissa, Mukalang thelissa, Cat E.g.:- Polong thelissa, Mukalang thelissa, Cat

snake, Ahatulla, Malkarawala.snake, Ahatulla, Malkarawala.


Non Poisonous Snakes In Non Poisonous Snakes In Sri LankaSri Lanka

There are 59 species of snakes non poisonous There are 59 species of snakes non poisonous snakes in Sri Lanka.snakes in Sri Lanka.

E.g.:- Python, Petal snake, Checkered keel ball.E.g.:- Python, Petal snake, Checkered keel ball.

Weather snakes are poisonous or not they are Weather snakes are poisonous or not they are important to maintain the balance of the important to maintain the balance of the environmentenvironment


Preventing Snake BitesPreventing Snake Bites Keep the environment clean.Keep the environment clean. Not keeping piles of books or papers in corner Not keeping piles of books or papers in corner

of the house.of the house. Closing termite hills and rat holes around the Closing termite hills and rat holes around the

house.house. Wear protective gears when walking to place Wear protective gears when walking to place

where snakes are found.where snakes are found. Using a stick when walking on grass lands.Using a stick when walking on grass lands.


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Snakes in sri lanka

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