Which fish & aquarium brands do AI assistants recommend in China? Q4 2026
In China, AI assistants most often recommend Tetra, Hikari and Sera for fish. Tetra is named by 4 of 4 assistants.
What the data says
Tetra (Spectrum Brands) is the fish & aquarium brand AI assistants recommend most in China, taking 32.5% of all recommendation points across 4 assistants. Hikari follows with 26.2% and Sera is third with 16.2%.
Tetra's lead over Hikari is 6.3 points, a clear advantage in how AI shortlists the category.
ChatGPT, DeepSeek and Grok put Tetra first, while Gemini favours Hikari.
The top five brands hold 85% of recommendations out of 11 brands named in total, so AI answers in this category are highly concentrated.
| # | Brand | Owner | AI share | ChatGPT | DeepSeek | Gemini | Grok |
|---|---|---|---|---|---|---|---|
| 1 | Tetra | Spectrum Brands | 32.5% | 35 | 35 | 25 | 35 |
| 2 | Hikari | Kyorin | 26.2% | 25 | 20 | 35 | 25 |
| 3 | Sera | Sera GmbH | 16.2% | 20 | 25 | – | 20 |
| 4 | Porpoise | Porpoise Aquatics | 5% | – | – | 20 | – |
| 5 | Ocean Free | Ocean Free | 5% | 8 | 12 | – | – |
| 6 | API | Mars | 3% | – | – | – | 12 |
| 7 | Sensen | Sensen Group | 3% | – | – | 12 | – |
| 8 | JBL | Harman | 3% | 12 | – | – | – |
| 9 | Guppy | Guppy Aquatics | 2% | – | – | – | 8 |
| 10 | Tropical | Tropical Group | 2% | – | – | 8 | – |
| 11 | Minjiang | Minjiang Aquatics | 2% | – | 8 | – | – |
Questions about AI fish & aquarium recommendations
- Which fish & aquarium brand does ChatGPT recommend most in China?
- ChatGPT recommends Tetra most often for fish & aquarium in China. Across all assistants, Tetra leads with 32.5% of recommendations.
- Which fish & aquarium brand is improving fastest in China?
- Hikari has the strongest momentum among challengers: AI names it first in 1 of 4 answers where it appears, while holding 26.2% 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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