326+ freshwater species, validated against FishBase and WoRMS — tank parameters, diet, breeding behavior, and temperament, free to query. Embed it in a bot, a spreadsheet, a plugin, or your own app. Every response links back here.
Every request without a key gets 60 requests/hour. Grab a free key below for 1000/hour.
| Param | Description |
|---|---|
q | Free-text search (common name, scientific name, genus, family) |
family | Exact family match, e.g. Cichlidae |
difficulty | Beginner / Intermediate / Advanced / Difficult |
tempMin / tempMax | °C, matches species whose range overlaps |
phMin / phMax | Matches species whose range overlaps |
maxSize | Max adult length in cm |
minVolume | Tank size in gallons |
fields | Comma-separated fields to include (trims payload) |
limit / offset | Pagination, limit max 100 |
specCode (e.g. 3615) or scientific-name slug (e.g. amatitlania-nigrofasciata).{ "email": "you@example.com", "appName": "optional" }. Issues a free key. Calling again with the same email returns your existing key.
This API is free because the data is meant to travel. In exchange, any product or content built with it must credit
"Aquacellum (https://aquadex.fish)" visibly, and should link to the species'
links.viewOnAquacellum URL when displaying that species. Every response
already includes this link — just surface it in your UI.