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VENOMOUS BITES
There are principally two animals that are known to bite causing injection of venom into the wound. They are blue - ringed octopus and the sea snake.
Blue-ringed octopus grows to a maximum of 20cm from tip to tip of its tentacles. When undisturbed, this animal has a yellowish-brown colour with dull ringed markings on the tentacles and stripes on the body. When disturbed , these dull markings become iridescent blue. The initial bite is almost painless.
After about 15 minutes the bite becomes swollen,resembling a mosquito bite. A few minutes after the bite a rapid , painless paralysis results.
The symptoms as follows:-
-Numbness around the mouth and the neck , which cause difficulties in swallowing.
-Nausea and vomiting.
-Breathing difficulties arise fairly quickly.
-The eye muscles gradually become paralysed.
-General weakness and difficulties with coordination leads to complete paralysis which persists for 4 to 12 hours.
Sea Snake- There are a number of different species of this marine reptile , some being more dangerous than others. The toxins interfere with nerve and muscle function. The initial puncture is noticed but not painful. Symptom may take 10 minutes to several hours to manifest themselves. Restlessness , nausea, and vomiting may occur , followed by general stiffening and aching. Weakness develops into paralysis and spreads.This may be preceded by muscular twitching and spasms. Respiratory and cardiac distress and failure may also occur.
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