Brunswick vs Greenseas:Which is more popular?
In September 2026, Brunswick had more branded searches than Greenseas among canned tuna brands in New Zealand. Brunswick had about 10 branded searches, while Greenseas had 0. Brunswick made up 0.25% of all canned tuna brand searches we track, and Greenseas accounted for 0%. When we asked ChatGPT and Google AI Overviews about canned tuna brands, Greenseas appeared in one of the five answers and Brunswick in none.
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Top canned tuna brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Greenseas was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Brunswick did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Sealord3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Pams3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
John West3 of 5Named in 3 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Sirena1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Sole Mare1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Greenseas1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Brunswick0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about canned tuna brands
5 answers
Asked ChatGPT
“Which canned tuna brand should I buy in New Zealand?”
Asked ChatGPT
“What are the best canned tuna brands in New Zealand?”
Asked ChatGPT
“What's the best canned tuna brand in New Zealand for everyday meals?”
Searched Google, AI Overview
“best canned tuna”
Searched Google, AI Overview
“healthy tuna brands”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in New Zealand on October 20, 2026.
Is Brunswick or Greenseas more popular in search?
This chart shows how often people search Google for Brunswick and Greenseas by name. Each line represents a brand's share of searches for all seven canned tuna brands we track, month by month, from searches in New Zealand.
Share of searches by month for Brunswick, Greenseas. The figures are in the table below the chart.
View monthly share of searches table
| Month | Sealord | Sirena | Pams | John West | Brunswick | Sole Mare | Greenseas |
|---|---|---|---|---|---|---|---|
| Oct 2025 | 45.3% | 5.7% | 39.9% | 9.1% | 0% | 0% | 0% |
| Nov 2025 | 47.4% | 7.3% | 39.1% | 5.1% | 0.36% | 0.36% | 0.36% |
| Dec 2025 | 42% | 7.6% | 44.1% | 5.9% | 0% | 0.42% | 0% |
| Jan 2026 | 46.1% | 11.3% | 38.7% | 3.9% | 0% | 0% | 0% |
| Feb 2026 | 46.9% | 9% | 37.5% | 6.1% | 0% | 0.36% | 0% |
| Mar 2026 | 45.8% | 8% | 39.8% | 6% | 0% | 0.29% | 0% |
| Apr 2026 | 54.4% | 7.4% | 30.1% | 7.4% | 0.29% | 0.29% | 0% |
| May 2026 | 65.2% | 5.2% | 23.6% | 5.8% | 0% | 0.22% | 0% |
| Jun 2026 | 59% | 7.4% | 25.3% | 7.9% | 0.25% | 0.25% | 0% |
| Jul 2026 | 64% | 7.5% | 24.3% | 3.7% | 0.27% | 0.27% | 0% |
| Aug 2026 | 50.7% | 7.5% | 37.1% | 4.5% | 0% | 0.27% | 0% |
| Sep 2026 | 39.3% | 28.7% | 26.3% | 5.2% | 0.25% | 0.25% | 0% |
How has the Brunswick and Greenseas comparison changed over the last 12 months?
3 findings
- Brunswick was ahead of Greenseas in every measured month of the 12 months ending September 2026.
- Across the 12 months ending September 2026, Brunswick’s share of searches among canned tuna brands in New Zealand moved from 0% to 0.25%, and its estimated monthly branded searches moved from 0 to 10.
- Across the 12 months ending September 2026, Greenseas’ share of searches among canned tuna brands in New Zealand held steady at 0%, and its estimated monthly branded searches held steady at 0.
How did search popularity change for New Zealand canned tuna brands in September 2026?
1 change

In September 2026, Brunswick rose from 6th to 5th among canned tuna brands in New Zealand.
How are branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Brunswick’s and Greenseas’ names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Other head-to-heads among canned tuna brands

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