Atlarium
The complete atlas for aquariums and terrariums
Species profiles for fish, plants, amphibians, reptiles, and invertebrates, plus practical guides, tools, and a community of habitats to explore.
Encyclopaedia
Species atlas
Explore the full atlas of plants, fish, invertebrates, and terrarium species. Each profile includes ideal parameters, difficulty, habitat, and photos.
Aquariums
Terrariums
Knowledge base
Guides & references
Everything you need to know to manage a planted aquarium: parameters, fertilization, and products.
Water parameters guide
Everything you need to know about every measurable value: what it is, why it matters, and what ranges to maintain.
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Fertilization regimes
Compare the main nutrient dosing methods for planted tanks: philosophy, targets, pros and cons.
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Product catalog
Complete technical cards for fertilizers and equipment: concentration data, specs, and dosage guides.
Learn moreCommunity
Community tanks
Discover aquariums shared by fellow aquarists: photos, biotope, flora, fauna and their full story.
View all tanks- Aquarists
- 1
- Public tanks
- 1
Species challenges
Train your aquarist eye
Choose a challenge and practice recognizing a species from a photo, a name, an origin, or a puzzle. Each round helps you read Atlas traits, habitats, and details faster.
Leaderboard
Atlas leaderboards
Compare your score with other aquarists: each leaderboard separates mode, name style, and difficulty, so you can see where you are improving.
Selected circuit
Overall leaderboard
- LunaPlant10/10 · 38s1,274pt
- AquaMarta10/10 · 41s1,216pt
- BiotopeNerd10/10 · 43s1,198pt
- #4RioNero9/10 · 44s1,188pt
- #5BettaRoom9/10 · 47s1,129pt
- #6OrinocoKid9/10 · 49s1,116pt
- #7NymphaeaLab9/10 · 51s1,102pt
- #8VerdeAcqua8/10 · 55s1,064pt
- #9CryptKeeper8/10 · 58s1,027pt
- #10Roberto BeccaceciAttempts: 16 · 1:24418pt
Demo rows only show the format: as soon as real scores arrive, they make room for players.