BlueBook
Search by what matters
No name? No problem. Combine care level, body color, reef compatibility and more to narrow it down.
Saltwater, brackish & freshwater guide
Make your aquarium
Make your aquarium
even more fun.
BlueBook is a field guide to saltwater, brackish and freshwater fish, corals, invertebrates and plants. Filter by care level, color, reef compatibility and more to find the perfect tankmate in seconds.
- 2,600+ species Saltwater, brackish and freshwater fish, corals, invertebrates and plants
- 2,400+ profiles Species with detailed notes on traits and care
- 11 languages Available in English, Japanese, Chinese and more
What you can do
Answer "Can I keep this one?" before you buy
Rich profiles & tags
Readable notes on traits and husbandry, plus tags that flag disease-prone species and those regulated in Japan.
Photos & videos
Jump from any profile to photos and swimming videos of that species.
Save your favorites
Keep a shortlist and plan your tank lineup at your own pace.
Screenshots
Scroll sideways to see more
Find your next tankmate with BlueBook.
Coming to iPhone.
Available now on the App Store for iPhone.