update: Those 'creatures' are what the local call the
'ikan(fish) bilis' .My mum needs these fishes when cooking soup as for its sweetness,so I helped my mum to remove the gut and the bones(as you can see here :) oh ,also included fish head .So here is the art of 'ikan bilis' head and spinal bone .
SONY DSC-W1
1/40 second
F/2.8
ISO 100
8 mm