Rating**
Abalone or ormer
Haliotis tuberculata, H. discus hanai
ADVICE
Shellfish farming is a low impact form of mariculture. Abalone are farmed and harvested with little impact on the environment, particularly if they are fed on seaweed and farmed in land based systems.
The following is a list of fish available to the UK and European consumer which have been given a rating of 1 or 2 and which MCS believes are fished within sustainable levels using methods which do not cause unacceptable damage to the environment or non-target species. The list is in alphabetical order not in order of sustainability. (download the MCS Pocket Good Fish Guide (Adobe PDF))
1.  Abalone or Ormer (farmed only)
2.  Alaska or walleye pollock (MSC certified)
3.  Bib or pouting
4.  Black bream or porgy or seabream
5.  Clam, American hardshell (from hand-gathered farmed sources only)
6.  Clam, carpet shell (hand-gathered only)
7.  Clam, manila (from hand-gathered farmed sources only)
8.  Clam, razor (hand-gathered only)
9.  Clam, warty venus (hand-gathered only)
10.  Cockle (hand-gathered only)
11.  Cod, Atlantic (Organically farmed only)
12.  Cod, Pacific (MSC certified from Bering Sea and Aleutian Islands only)
13.  Coley or saithe (MSC certified from Norwegian waters only)
14.  Crab, edible or brown (pot caught off S Devon coast)
15.  Crab, spider (pot caught only)
16.  Dab
17.  Dublin Bay Prawn or langoustine or scampi (MSC certified from Loch Torridon only)
18.  Flounder
19.  Gurnard, grey
20.  Gurnard, red
21.  Herring or sild (from Norwegian stocks)
22.  King mackerel or kingfish
23.  Lobster, Mexican Baja California red rock (MSC certified)
24.  Lobster, Western Australian rock (MSC certified)
25.  Mahi Mahi or dorado or common dolphinfish
26.  Mussel (rope-grown or hand gathered)
27.  Oyster, native (farmed only)
28.  Oyster, Pacific (farmed only)
29.  Pollack or lythe
30.  Prawn, northern (from Northeast Arctic only)
31.  Red mullet (not from Mediterranean)
32.  Salmon, Alaskan (5 species are certified by MSC)
33.  Salmon, Atlantic (Organically farmed)
34.  Sardine or pilchard (from Cornwall)
35.  Scallop, king (hand gathered/dive collected farms only)
36.  Seabass (handline caught and MSC certified from Holderness coast)
37.  Snapper, malabar blood or scarlet perch (from Western Australia)
38.  Snapper, red (Western Australia Trap fishery only)
39.  Sole, common or Dover (MSC certified from Hastings; or Celtic Sea, Skaggerak and Kattegat)
40.  Sole, lemon (demersal otter trawl only)
41.  Squid, Atlantic and European (jig caught)
42.  Tilapia (farmed)
43.  Trout brown or sea (Organically farmed only)
44.  Trout, rainbow (Organically farmed only)
45.  Tuna, albacore (MSC certified from the North or South Pacific)
46.  Tuna, skipjack (Western and Central Pacific fisheries, and Indian Ocean Pole and Line fishery)
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