"Eat any fish that has scales, and do not eat what does not have scales."
Imam Al-Baqir (a.s.)
[Al-Kulayni, Al-Kafi, Vol.6, p. 219]

no.	Halal	non-Halal
1	Anchovies	Basa
2	Barramundi	Calamari
3	Bass	Catfish Eels
4	Carp / bream	Clams
5	Cod / hake	Eastern Cleaner- Clingfish
6	Dory	Crab Cray Fish
7	Flathead	Flake
8	Flounder	Grayfish
9	Herring	Leather Jacket
10	Hoki - Blue Grenadier	Lobster
11	Jew fish	Marlin
12	Kingfish	Mussels
13	Ling	Octopus
14	Mackerel – except for snake mackerel	Oyster
15	Perch	Snails
16	Prawns	Snake Mackerels
17	Red fish	Squab
18	Salmon	Squid
19	Sardines	Shark
20	Shrimp	Sturgeons
21	Snapper	Swordfish
22	Tailor
23	Trevally
24	Trout - But not including: European turbot (Scophthalmus maximus or Psetta maximus Trevally).
25	Tuna except for Dogtooth Tuna also known as Peg Tooth Tuna & Scaleless Tuna.
26	Whitefish
27	Whiting
28	Yellow tail