Cichlids
Oscar
The Oscar, Astronotus ocellatus, is a large freshwater cichlid from South America.
- Scientific name
- Astronotus ocellatus
- Adult size
- up to 35 cm
- Care level
- Intermediate
Freshwater Fishkeeping Reference
A clear-water reference to freshwater aquarium fish
Origins, appearance, tank setup, water conditions, diet and behaviour for 25 popular freshwater aquarium fish — written as plain, factual reference.
Recently published
Catfish & loaches
Sterbai Corydoras
The Sterbai Corydoras (Corydoras sterbai) is a small, peaceful freshwater catfish belonging to the family Callichthyidae.
- Scientific name
- Corydoras sterbai
- Adult size
- 5-6 cm
- Care level
- Beginner
Catfish & loaches
Clown Loach
The clown loach, Chromobotia macracanthus, is a large, striking loach of the family Botiidae and one of the most recognisable freshwater aquarium fishes.
- Scientific name
- Chromobotia macracanthus
- Adult size
- up to 30 cm
- Care level
- Intermediate
Catfish & loaches
Kuhli Loach
The kuhli loach, Pangio kuhlii, is a small, eel-like freshwater fish in the family Cobitidae.
- Scientific name
- Pangio kuhlii
- Adult size
- 7-10 cm
- Care level
- Intermediate
Gouramis & labyrinth fish
Honey Gourami
The honey gourami (Trichogaster chuna) is a small, peaceful labyrinth fish that is well suited to community aquariums.
- Scientific name
- Trichogaster chuna
- Adult size
- 4-5 cm
- Care level
- Beginner
Gouramis & labyrinth fish
Pearl Gourami
The pearl gourami, Trichopodus leerii, is a medium-sized labyrinth fish long established in the freshwater aquarium hobby.
- Scientific name
- Trichopodus leerii
- Adult size
- 10-12 cm
- Care level
- Intermediate