Hard to tell without seeing the back...

That snake looks like a Rainbow Water Snake .

Just looked at them but don't see the yellow markings??,it is not poisonous as it actually bit my friend yesterday and he is still alive and there are many of them about in the garden.

Peter?

Looks like a Checkered Keelback:

Looks like a Checkered Keelback:

Is that a dangerous poisonous snake ?

Looks like a Checkered Keelback:

Is that a dangerous poisonous snake ?

No, non-venomous but does like to bite as your friend found out.

Looks like a Checkered Keelback:

Close... its a Yellow-spotted or Common Keelback (Xenochrophis flavipunctatus). A close relative of the Chequered that used to be considered the same species as it was thought to be just a colour variant of the same animal. Now recognised a separate species. The difference is in the head pattern, lack of strong chequered markings & detail to certain scales. A recent i.d. thread featured the same snake.

(Tywais, your pic is actually showing sp.flavipunctatus & not a true Chequered)

here's another...

...and here is a true Chequered Keelback sp. piscator

Thanks folks to all for the input in identification especially to Goshawk and Tywais

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uch well it better I can not post this picture of a dead snake , although it is similar to the OP's

Edited April 19, 201214 yr by onionluke

oh my god, those things are so delicious. just kidding.