Which fish & aquarium brands do AI assistants recommend in Brazil? Q4 2026
In Brazil, AI assistants most often recommend Tetra, Alcon and Hikari for fish. Tetra is named by 5 of 5 assistants.
What the data says
Tetra (Spectrum Brands) is the fish & aquarium brand AI assistants recommend most in Brazil, taking 31% of all recommendation points across 5 assistants. Alcon follows with 14% and Hikari is third with 13%.
Tetra's lead over Alcon is 17 points, a clear advantage in how AI shortlists the category.
ChatGPT, Claude and Grok put Tetra first, while DeepSeek favours Alcon and Gemini favours Alcon.
The top five brands hold 72% of recommendations out of 13 brands named in total, leaving room for challengers to break into AI shortlists.
| # | Brand | Owner | AI share | ChatGPT | Claude | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|---|
| 1 | Tetra | Spectrum Brands | 31% | 35 | 35 | 25 | 25 | 35 |
| 2 | Alcon | Alcon | 14% | – | – | 35 | 35 | – |
| 3 | Hikari | Kyorin | 13% | 25 | 20 | – | – | 20 |
| 4 | API | Mars | 7.4% | 12 | – | – | – | 25 |
| 5 | Fluval | Hagen Group | 6.4% | 20 | – | – | – | 12 |
| 6 | Sera | Sera GmbH | 5.6% | 8 | – | 8 | 12 | – |
| 7 | Aqueon | Central Garden & Pet | 5% | – | 25 | – | – | – |
| 8 | Wardley | Hartz Mountain Corporation | 4% | – | – | 12 | – | 8 |
| 9 | Poytara | Poytara | 4% | – | – | – | 20 | – |
| 10 | Nutra | Nutra | 4% | – | – | 20 | – | – |
| 11 | Seachem | Seachem | 2.4% | – | 12 | – | – | – |
| 12 | Maramar | Maramar | 1.6% | – | – | – | 8 | – |
| 13 | New Life Spectrum | New Life International | 1.6% | – | 8 | – | – | – |
Questions about AI fish & aquarium recommendations
- Which fish & aquarium brand does ChatGPT recommend most in Brazil?
- ChatGPT recommends Tetra most often for fish & aquarium in Brazil. Across all assistants, Tetra leads with 31% of recommendations.
- Which fish & aquarium brand is improving fastest in Brazil?
- Alcon has the strongest momentum among challengers: AI names it first in 2 of 2 answers where it appears, while holding 14% share. This is the first Q4 2026 reading; change over time will be shown from the next update.
- How is the ranking calculated?
- We ask each AI assistant the questions shoppers ask in each category and market, record the top five brands it names, and give 35, 25, 20, 12 and 8 points for positions one to five. Share is a brand's points divided by all points awarded.
Fish: AI rankings by country
Covers: Fish Food.
Method: each AI assistant is asked the shopper questions for every segment in the category and market; the top five brands named score 35, 25, 20, 12 and 8 points. Share is a brand's points divided by all points awarded. Rankings reflect AI answers, not sales.
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