Aquarium keeping encyclopedia

Aquaryus

The encyclopedia for identifying, comparing and keeping aquarium fish, plants, crustaceans, invertebrates and snails.

1445 profiles to find a species, compare its needs and continue to related families or profiles.

What would you like to do?

Identify a speciesSearch quickly by scientific or common name.Choose a fishCompare size, volume, temperature, pH and behavior.Find a plantExplorer les plantes par liste, famille ou fiche détaillée.Understand waterpH, hardness, temperature: the basics for a stable aquarium.Diagnose a diseaseOpen the aquarium fish disease profiles.Explore familiesBrowse by family to discover related species.

Explore the encyclopedia

The main entry points for browsing profiles and leaving with an answer.

1155FishAquarium fish profilesIdentify a species, compare parameters, explore families.185PlantsAquarium plant profilesChoose plants by height, temperature and pH.34CrustaceansShrimp and crustaceansExplore aquarium crustaceans and their keeping conditions.33InvertebratesAquarium invertebratesFind less common species and their needs.38SnailsAquarium snailsUnderstand their role, size and parameters.

Guided paths

Short paths that turn a question into the next useful page.

01I want to identify a speciesStart from a name, photo or rough memory, then open the closest profile.02I am preparing an aquariumCompare fish by water type, temperature, volume and size before choosing.03I am looking for easy plantsStart from a robust selection before opening detailed profiles.04I want to understand a problemWater parameters, diseases and symptoms: leave with a concrete lead.

Using Aquaryus well

Compare before choosing

Aquaryus is designed as a practical encyclopedia: each profile helps you check the real needs of a species before adding it to an aquarium. Start with the scientific or common name, then compare adult size, minimum volume, temperature, pH and water type.

To avoid poor choices, continue to families, related species and useful guides. This path turns a simple search into a safer decision for living animals and plants.

1 Identify the species2 Check its parameters3 Compare related species4 Continue to the guides

Essential guides

Pillar pages to understand quickly and continue to the right profiles.

Starting an aquariumVolume, water cycle, plants and population in the right order.60-liter aquariumBuild a realistic population in a common small volume.Easy plantsChoose robust plants without turning the tank into a laboratory.Sick fishObserve symptoms and connect health, water and behavior.Water parametersUnderstand key balances before choosing a species.Fish diseasesSymptoms, diagnosis leads and dedicated profiles.

Quick access

Freshwater fishMarine fishFish familiesPlantsUnderstand waterAquarium dictionary

Popular profiles

Often viewed species for quickly comparing needs and preparing a suitable aquarium.

Pangasius sutchi SharkPopular fishPangasius sutchiSharkHistory The iridescent shark Pangasianodon hypophthalmus (formerly Pangasius hypophthalmus) is a very active catfish. They form fish o…30 cm · 21 - 27 °CBetta splendens crownmoon FighterPopular fishBetta splendens crownmoonFighterThis is the name given to a Crowntail halfmoon. Very pretty fish with personalities! He can be a player, fearful, angry, ... Take care…7 cm · 18 - 25 °CAncistrus dolichopterus AncientPopular fishAncistrus dolichopterusAncientHe needs a bin of a hundred liters, since he measures in adulthood a good ten cm. You have to arrange hiding places, strains or stones…10 cm · 19 - 28 °CAnubias barteri var. nana Anubias barteri var. nanaPopular plantAnubias barteri var. nanaAnubias Barteri Var. Nana is an aquarium plant with persistent and slow growth. It is a very popular plant for freshwater aquariums du…15 cm · 21 - 29 °CAnubias barteri var. barteri Anubias barteri var. barteriPopular plantAnubias barteri var. barteriAnubias Barteri Var. Barteri is a common and popular aquarium plant. It is a plant with persistent leaves which can reach a height of…40 cm · 21 - 29 °CCrabe arc-en-ciel Rainbow crabPopular crustaceanCrabe arc-en-cielRainbow crabThis crab is quite small, it has the legs is the red pliers. This little invertebrate likes to have hiding places. He likes plants he…10.00 cm · 25 - 28 °C