Krabbholmen II

Site 33177 · Åfjord municipality · Production area 6, Nordmøre og Sør-Trøndelag

Status unknown: not reported in week 39Operated by Salmar Oppdrett AS · group SalMar

unknownAdult female lice per fishNo count in week 39. Latest: 0.22 in week 1, 2026Week 39, 2026 · Norwegian Food Safety Authority · updated 01 Oct 2026

0Weeks above the limit in 2026of 1 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 4 different vessels · latest 06 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

Show as table

Adult female lice per fish per week, 2026
Week	Adult female lice per fish	Lice limit	Status
1	0.22	0.5	Below the limit
2	unknown	0.5	Not reported
3	unknown	0.5	Not reported
4	unknown	0.5	Not reported
5	unknown	0.5	Not reported
6	unknown	0.5	Not reported
7	unknown	0.5	Not reported
8	unknown	0.5	Not reported
9	unknown	0.5	Not reported
10	unknown	0.5	Not reported
11	unknown	0.5	Not reported
12	unknown	0.5	Not reported
13	unknown	0.5	Not reported
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	unknown	0.2	Not reported
17	unknown	0.2	Not reported
18	unknown	0.2	Not reported
19	unknown	0.2	Not reported
20	unknown	0.2	Not reported
21	unknown	0.2	Not reported
22	unknown	0.5	Not reported
23	unknown	0.5	Not reported
24	unknown	0.5	Not reported
25	unknown	0.5	Not reported
26	unknown	0.5	Not reported
27	unknown	0.5	Not reported
28	unknown	0.5	Not reported
29	unknown	0.5	Not reported
30	unknown	0.5	Not reported
31	unknown	0.5	Not reported
32	unknown	0.5	Not reported
33	unknown	0.5	Not reported
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 52 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

Show as table

Adult female lice per fish per week, 2025
Week	Adult female lice per fish	Lice limit	Status
1	0.31	0.5	Below the limit
2	0.18	0.5	Below the limit
3	0.09	0.5	Below the limit
4	0.22	0.5	Below the limit
5	0.23	0.5	Below the limit
6	0.27	0.5	Below the limit
7	0.11	0.5	Below the limit
8	0.10	0.5	Below the limit
9	0.08	0.5	Below the limit
10	0.09	0.5	Below the limit
11	0.07	0.5	Below the limit
12	0.16	0.5	Below the limit
13	0.12	0.5	Below the limit
14	0.10	0.5	Below the limit
15	0.14	0.5	Below the limit
16	0.19	0.2	Near the limit
17	0.19	0.2	Near the limit
18	0.15	0.2	Below the limit
19	0.06	0.2	Below the limit
20	0.04	0.2	Below the limit
21	0.03	0.2	Below the limit
22	0.05	0.5	Below the limit
23	0.10	0.5	Below the limit
24	0.13	0.5	Below the limit
25	0.30	0.5	Below the limit
26	0.12	0.5	Below the limit
27	0.33	0.5	Below the limit
28	0.05	0.5	Below the limit
29	0.31	0.5	Below the limit
30	0.04	0.5	Below the limit
31	0.24	0.5	Below the limit
32	0.49	0.5	Near the limit
33	0.47	0.5	Near the limit
34	0.21	0.5	Below the limit
35	0.38	0.5	Below the limit
36	0.04	0.5	Below the limit
37	0.19	0.5	Below the limit
38	0.22	0.5	Below the limit
39	0.37	0.5	Below the limit
40	0.16	0.5	Below the limit
41	0.45	0.5	Near the limit
42	0.10	0.5	Below the limit
43	0.18	0.5	Below the limit
44	0.33	0.5	Below the limit
45	0.35	0.5	Below the limit
46	0.45	0.5	Near the limit
47	0.17	0.5	Below the limit
48	0.43	0.5	Near the limit
49	0.30	0.5	Below the limit
50	0.33	0.5	Below the limit
51	0.34	0.5	Below the limit
52	0.29	0.5	Below the limit

20240 of 22 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

Show as table

Adult female lice per fish per week, 2024
Week	Adult female lice per fish	Lice limit	Status
1	unknown	0.5	Not reported
2	unknown	0.5	Not reported
3	unknown	0.5	Not reported
4	unknown	0.5	Not reported
5	unknown	0.5	Not reported
6	unknown	0.5	Not reported
7	unknown	0.5	Not reported
8	unknown	0.5	Not reported
9	unknown	0.5	Not reported
10	unknown	0.5	Not reported
11	unknown	0.5	Not reported
12	unknown	0.5	Not reported
13	unknown	0.5	Not reported
14	unknown	0.5	Not reported
15	unknown	0.5	Not reported
16	unknown	0.2	Not reported
17	unknown	0.2	Not reported
18	unknown	0.2	Not reported
19	unknown	0.2	Not reported
20	unknown	0.2	Not reported
21	unknown	0.2	Not reported
22	unknown	0.5	Not reported
23	unknown	0.5	Not reported
24	unknown	0.5	Not reported
25	unknown	0.5	Not reported
26	unknown	0.5	Not reported
27	unknown	0.5	Not reported
28	unknown	0.5	Not reported
29	unknown	0.5	Not reported
30	unknown	0.5	Not reported
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	0.13	0.5	Below the limit
37	0.15	0.5	Below the limit
38	0.10	0.5	Below the limit
39	0.04	0.5	Below the limit
40	0.16	0.5	Below the limit
41	0.09	0.5	Below the limit
42	0.18	0.5	Below the limit
43	0.15	0.5	Below the limit
44	0.46	0.5	Near the limit
45	0.48	0.5	Near the limit
46	0.37	0.5	Below the limit
47	0.40	0.5	Near the limit
48	0.39	0.5	Below the limit
49	0.29	0.5	Below the limit
50	0.22	0.5	Below the limit
51	0.30	0.5	Below the limit
52	0.27	0.5	Below the limit

20231 of 11 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

Show as table

Adult female lice per fish per week, 2023
Week	Adult female lice per fish	Lice limit	Status
40	1.00	0.5	Above the limit
41	0.11	0.5	Below the limit
42	0.05	0.5	Below the limit
43	0.22	0.5	Below the limit
44	0.20	0.5	Below the limit
45	0.15	0.5	Below the limit
46	0.31	0.5	Below the limit
47	0.41	0.5	Near the limit
48	0.38	0.5	Below the limit
49	0.44	0.5	Near the limit
50	0.40	0.5	Near the limit
51	unknown	0.5	Not reported
52	unknown	0.5	Not reported

Treatments

Norwegian Food Safety Authority

Week 49, 2025
Mechanical delousing1 pen
Week 47, 2025
Mechanical delousing3 pens
Week 42, 2025
Mechanical delousing4 pens
Week 40, 2025
Mechanical delousing5 pens

Show all 14

Week 39, 2025
Mechanical delousing1 pen
Week 38, 2025
Mechanical delousing4 pens
Week 36, 2025
Mechanical delousing5 pens
Week 34, 2025
Mechanical delousing2 pens
Week 33, 2025
Mechanical delousing3 pens
Week 30, 2025
Mechanical delousing5 pens
Week 28, 2025
Mechanical delousing5 pens
Week 26, 2025
Mechanical delousing5 pens
Week 19, 2025
Mechanical delousing3 pens
Week 18, 2025
Mechanical delousing2 pens

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
06 Aug 2026	Ronja Viking	Hjortholman	3 h 27 min
14 Jul 2026	Ronja Viking	Krabbholmen	47 min
24 Jan 2026	Ronja Vita	Nordskag	3 h 36 min
17 Jan 2026	Ronja Spirit	Nordskag	4 h 50 min
16 Jan 2026	Ronja Spirit	Nordskag	5 h 43 min
31 Dec 2025	Ronja Princess	Nordskag	1 h 52 min
06 Dec 2025	Ro Vision	Gjæsingen	1 h 13 min
05 Dec 2025	Ro Vision	Gjæsingen	3 h 1 min
19 Nov 2025	Ro Vision	Krabbholmen	1 h 17 min
18 Nov 2025	Ro Vision	Krabbholmen	2 h 21 min
18 Nov 2025	Ro Vision	Nordskag	3 h 41 min
17 Nov 2025	Ro Vision	Jektholmen	8 h 8 min

Show 13 older visits

Arrival	Vessel	Previous farm (14 days)	Duration
16 Oct 2025	Ro Vision	Tristeinen	3 h 39 min
15 Oct 2025	Ro Vision	Krabbholmen	14 h 8 min
15 Oct 2025	Ro Vision	Krabbholmen	57 min
14 Oct 2025	Aasvaerfjord	Nordskag	2 h 38 min
14 Oct 2025	Aasvaerfjord	Nordskag	2 h 13 min
13 Oct 2025	Aasvaerfjord	Nordskag	2 h 9 min
28 Sep 2025	Aasvaerfjord	Suholmen	14 h 40 min
13 Sep 2025	Ronja Princess	Nordskag	2 h 25 min
29 Aug 2025	Aasvaerfjord	Ruggstein	2 h 3 min
01 May 2025	Ro Senja	Tristeinen	8 h 39 min
21 Aug 2024	Ronja Vita	Suholmen	3 h 0 min
05 Aug 2024	Ronja Vita	Ratvika	3 h 8 min
04 Aug 2024	Ronja Vita	Ratvika	1 h 7 min

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

Licences

Site MAB: unknown

No licences linked to this site in the aquaculture register.

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