Unknown Spiders from Bukit Timah

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I've got some spiders yet to be identified. Shot in BTNR (Bukit Timah
Nature Reserve). Can anyone help me identify them please? (Luenny I
think I got a job for you!!!)

1)


2)


Same spider as 2)


3) Another similar one


Same spider as 3)


So, anyone has got any idea of what these spiders are?
Thanks!

[budak]

1st – juvenile or male Argiope sp.
2-4th – Viciria sp. jumping spider

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Thanks Budak!