Oanes Sjø

Site 11922 · Strand municipality · Production area 2, Ryfylke

Status unknown: not reported in week 39Operated by Grieg Seafood Farming AS · group Grieg Seafood

unknownAdult female lice per fishNo count in week 39. Latest: 0.00 in week 33, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 29 weeks with a countCalculated by the Salmon Ledger · Norwegian Food Safety Authority · updated 01 Oct 2026

0Lice treatments in 2026None recorded2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Active disease casesNone recordedRegister since 26 Nov 2024 · Norwegian Food Safety Authority · updated 01 Oct 2026

6Wellboat visits in 2026by 1 vessel · latest 24 Aug 2026Derived from AIS · Norwegian Coastal Administration (AIS) · updated 01 Oct 2026

0Escapes reportedNone reportedSince 2006 · Directorate of Fisheries · updated 01 Oct 2026

Sea lice against the limit

Weekly average of adult female lice per fish, as reported by the company. For this site the limit is 0.2 in weeks 16–21 and 0.5 for the rest of the year. Hatched weeks have no count and count neither as above nor below.

2026

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.03	0.5	Below the limit
5	0.00	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.00	0.5	Below the limit
9	0.00	0.5	Below the limit
10	0.00	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.00	0.5	Below the limit
14	unknown	0.5	Reported without a count
15	unknown	0.5	Not reported
16	unknown	0.2	Reported without a count
17	0.00	0.2	Below the limit
18	unknown	0.2	Reported without a count
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	unknown	0.5	Not reported
35	unknown	0.5	Not reported
36	unknown	0.5	Not reported
37	unknown	0.5	Not reported
38	unknown	0.5	Not reported
39	unknown	0.5	Not reported

Earlier years

20250 of 43 weeks with a count above the limit

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.00	0.5	Below the limit
5	0.00	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.00	0.5	Below the limit
9	0.00	0.5	Below the limit
10	unknown	0.5	Not reported
11	unknown	0.5	Not reported
12	unknown	0.5	Not reported
13	0.00	0.5	Below the limit
14	0.00	0.5	Below the limit
15	0.00	0.5	Below the limit
16	0.00	0.2	Below the limit
17	0.00	0.2	Below the limit
18	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	unknown	0.5	Not reported
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
42	unknown	0.5	Not reported
43	unknown	0.5	Not reported
44	unknown	0.5	Not reported
45	0.00	0.5	Below the limit
46	0.00	0.5	Below the limit
47	0.00	0.5	Below the limit
48	0.00	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

20240 of 46 weeks with a count above the limit

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	0.00	0.5	Below the limit
2	0.00	0.5	Below the limit
3	0.00	0.5	Below the limit
4	0.00	0.5	Below the limit
5	0.00	0.5	Below the limit
6	0.00	0.5	Below the limit
7	0.00	0.5	Below the limit
8	0.00	0.5	Below the limit
9	0.00	0.5	Below the limit
10	0.00	0.5	Below the limit
11	0.00	0.5	Below the limit
12	0.00	0.5	Below the limit
13	0.00	0.5	Below the limit
14	0.00	0.5	Below the limit
15	unknown	0.5	Not reported
16	unknown	0.2	Not reported
17	unknown	0.2	Not reported
18	0.00	0.2	Below the limit
19	0.00	0.2	Below the limit
20	0.00	0.2	Below the limit
21	0.00	0.2	Below the limit
22	0.00	0.5	Below the limit
23	0.00	0.5	Below the limit
24	0.00	0.5	Below the limit
25	0.00	0.5	Below the limit
26	0.00	0.5	Below the limit
27	0.00	0.5	Below the limit
28	0.00	0.5	Below the limit
29	0.00	0.5	Below the limit
30	0.00	0.5	Below the limit
31	0.00	0.5	Below the limit
32	0.00	0.5	Below the limit
33	0.00	0.5	Below the limit
34	0.00	0.5	Below the limit
35	0.00	0.5	Below the limit
36	0.00	0.5	Below the limit
37	0.00	0.5	Below the limit
38	0.00	0.5	Below the limit
39	0.00	0.5	Below the limit
40	0.00	0.5	Below the limit
41	0.00	0.5	Below the limit
42	0.00	0.5	Below the limit
43	0.00	0.5	Below the limit
44	0.00	0.5	Below the limit
45	unknown	0.5	Not reported
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	0.00	0.5	Below the limit
49	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

20230 of 4 weeks with a count above the limit (data from week 40)

Source: Norwegian Food Safety Authority, weekly lice counts reported by the companies · Limit: Regulation on sea lice control § 8 · Updated 01 Oct 2026

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Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	unknown	0.5	Not reported
41	unknown	0.5	Not reported
42	unknown	0.5	Not reported
43	unknown	0.5	Not reported
44	unknown	0.5	Not reported
45	unknown	0.5	Not reported
46	unknown	0.5	Not reported
47	unknown	0.5	Not reported
48	unknown	0.5	Not reported
49	0.00	0.5	Below the limit
50	0.00	0.5	Below the limit
51	0.00	0.5	Below the limit
52	0.00	0.5	Below the limit

Treatments

Norwegian Food Safety Authority

No treatments recorded since week 40, 2023.

Disease

Norwegian Food Safety Authority

No cases in the Food Safety Authority's register of notifiable diseases (since 26 Nov 2024).

Escapes

Directorate of Fisheries

No escapes reported from this site since 2006.

Wellboat visits

6 visits in 2026

Visits are derived by us from the Coastal Administration's AIS positions: a fish carrier stationary within 500 metres of the farm for at least 30 minutes. The AIS archive lags about 17 days. A visit is not proof of infection.

Arrival	Vessel	Previous farm (14 days)	Duration
24 Aug 2026	Ronja Azul	Dyrholmen	7 h 3 min
24 Aug 2026	Ronja Azul	Helgøy	2 h 4 min
16 Apr 2026	Ronja Azul	Helgøy	3 h 38 min
14 Apr 2026	Ronja Azul	Helgøy	4 h 23 min
20 Jan 2026	Ronja Azul	Helgøy	10 h 34 min
19 Jan 2026	Ronja Azul	Helgøy	10 h 6 min
25 Sep 2025	Ronja Azul	Rennaren	6 h 13 min
25 Sep 2025	Ronja Azul	Dyrholmen	6 h 23 min
21 Aug 2025	Ronja Azul	Smal Skar	9 h 44 min
20 Aug 2025	Ronja Azul	Smal Skar	10 h 23 min
12 Jul 2025	Ronja Azul	Helgøy	12 h 59 min
23 Mar 2025	Ronja Azul	Helgøy	2 h 11 min

Show 12 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
21 Mar 2025	Ronja Azul	Helgøy	44 min
06 Mar 2025	Ronja Queen	Vikane 1	9 h 35 min
05 Mar 2025	Ronja Queen	Vikane 1	8 h 21 min
17 Nov 2024	Ronja Mistral	Langavika	5 h 32 min
01 Nov 2024	Ronja Azul	Hestholmen Ø	6 h 50 min
13 Oct 2024	Ronja Azul	Helgøy	10 h 39 min
12 Oct 2024	Ronja Azul	Helgøy	9 h 30 min
01 Oct 2024	Ronja Azul	Helgøy	3 h 40 min
22 Apr 2024	Ronja Mistral	Koløy N	1 h 2 min
20 Apr 2024	Ronja Mistral	Koløy N	2 h 58 min
03 Apr 2024	Ronja Silver	Store Teistholmen Ø	6 h 19 min
02 Apr 2024	Ronja Silver	Store Teistholmen Ø	4 h 50 min

Source: Norwegian Coastal Administration (AIS) · calculated by the Salmon Ledger · updated 01 Oct 2026

Who has reported

The companies that have submitted lice counts for this site, with the first and last week.

Company	From	To
Ryfish AS	Week 49, 2023	Week 44, 2024
Cermaq Finnmark Farming AS	Week 48, 2024	Week 38, 2025
Grieg Seafood Farming AS	Week 45, 2025	Week 33, 2026

Source: Norwegian Food Safety Authority (organisation number on each lice report)

Licences

Site MAB: 780 tonnes

Licence	Type	Capacity	Holder
H K 0034	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R FD 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R FD 0011	Fiskepark / matfiskSalmon, Rainbow trout, Trout	31 t	Ryfish AS
R R 0009	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R SD 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R SD 0005	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R SD 0021	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R SD 0033	Kommersiell / matfiskSalmon, Rainbow trout, Trout	527 t	Nordsjø Fjordbruk AS
R SS 0017	Kommersiell / matfiskSalmon, Rainbow trout, Trout	830 t	Nordsjø Fjordbruk AS
R TV 0001	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R TV 0003	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS
R TV 0006	Kommersiell / matfiskSalmon, Rainbow trout, Trout	788 t	Nordsjø Fjordbruk AS

Source: Directorate of Fisheries, aquaculture register · updated 01 Oct 2026