Answer:
(Fatwa: 2325/1915=B/1429)
No sea animal is allowed except fish; therefore it is not lawful to eat crabs. If fish is given unlawful things to eat, then it is allowable to eat such fish but it is better to avoid.
الدودالذييقال: جهينگا حرامعندبعضالعلماء لأنهيشبهالسمكفإنمايباحعندنامنصيدالبحر أنواعالسمكوهذالايكونكذلكوقالبعضهمحلاللأنهيسمىباسمالمسك (مجموعةالفتاوى 2:297)
انالذييعيشفيالماءفجميعمافيالبحريحرمأكله (عالمگیری 5:357)
There are different opinions about eating prawns, some say it is a kind of fish, so according to them, it is lawful to eat it, while some regard it a kind of crab, so they do not allow eating it, therefore it is better to avoid it.
Allah (Subhana Wa Ta’ala) knows Best
Darul Ifta,
Darul Uloom Deoband
