Information and pictures about individual fish species
Last verified: April 1, 2026
This API requires no authentication — you can start making requests immediately with no sign-up or API key needed.
fetch() in JavaScript, curl in your terminal, or any HTTP client to call the API.No-auth APIs are the easiest to get started with — perfect for learning, prototyping, and building side projects.
This API supports CORS (Cross-Origin Resource Sharing), meaning you can call it directly from browser-based JavaScript applications without running into cross-origin errors.
FishWatch is a free, no-authentication API in the Animals category. You can start using it immediately without creating an account or obtaining an API key — just send an HTTP request and receive data back. This API supports HTTPS for secure connections and supports CORS, making it suitable for direct browser-based requests.
FishWatch is an animal API that may provide species information, animal images, breed data, wildlife facts, or conservation status. Some animal APIs focus on specific types (dogs, cats, birds) while others cover the entire animal kingdom. Check the documentation for available data fields.
Many animal APIs offer random image endpoints that return photos of animals — popular for testing, placeholders, or fun apps. FishWatch may include image URLs in its responses. Check the API endpoints to see if image delivery is supported and what formats are available.
Some animal APIs provide detailed taxonomic or breed information including physical characteristics, temperament, lifespan, and habitat. Whether FishWatch offers this depends on its scope. For more animal data sources, browse our Animals APIs.
Yes, FishWatch is listed as a free public API. It requires no sign-up or API key — you can start making requests immediately. Some APIs have rate limits on their free tier, so check the official documentation for current limits.
Yes! According to our most recent health check (FishWatch's last ping: 2026-04-01 13:37:45), this API is responding normally. We periodically verify all listed APIs to ensure they are still online and functioning.