are mama tom yum shrimp flavoured noodles vegan? just wondering?

I think the answer to your question might well be in the question itself?
 

see http://www.efooddepot.com/products/mama/4076/mama-oriental-style-instant-noodles-(shrimp-flavor--slash--tom-yum)--hy--2-dot-1oz.html
Ingredients
wheat flour, palm oil, salt, sugar, monosodium glutamate, dried red chilli, chilli powder, citric acdi, fish sauce, shrimp powder, fish sauce, lemon grass, kaffir lime leaves, dried leek, firming agent, cellulose gum, soy sauce, artificial flavor, ribonucleotides