Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answer updated 3 years ago

From all animals of water we are allowed to eat :

1. Fish which has or had scales on it. Fish which has no scales at all are not allowed to eat.

2. Shrimps or prawns.

All other water animals e.g. crab, oyster, shells, lobster, ink fish etc is not allowed to eat.