
Severum
Heros efasciatus
Big, deep-bodied and slow; mild for its size, but it eats soft plants.
The Severum (Heros efasciatus) is a tropical freshwater fish of the family Cichlidae. It swims in midwater, close to the bottom. Adults grow to about 20 cm. In the aquarium it needs a tank at least 120 cm long and water at 24–29 °C.
- Size
- 20 cm
- Smallest tank
- 120 cm
- Temperature
- 24–29 °C
- Care
- Moderate
In the aquarium
Temperature24–29 °C
pH6.0–7.5
Hardness3–12 °dGH
- Temperament
- Semi-aggressive
- Diet
- Omnivore
- Activity
- Calm
- Water layer
- Mid water
- Group
- Lives on its own
- Plants
- Eats plants
These values are compiled from real species data, and the LumaReef simulation is built to keep them true to life.
Which tank it fits
- Nano60 cm · 65 litresToo small
- Standard90 cm · 180 litresToo small
- Wide120 cm · 300 litres10 of them
- Living room180 cm · 650 litres23 of them
- Showcase250 cm · 1,200 litres42 of them
- Gallery300 cm · 1,440 litres51 of them
Who it lives with
Gets along53 species
- Bristlenose pleco
- Sailfin molly
- Boesemani rainbowfish
- Scissortail rasbora
- Congo tetra
- Molly
- Bronze corydoras
- Betta (Siamese fighting fish)
- Silver hatchetfish
- Dwarf chain loach
- Emperor tetra
- Cherry barb
- Cardinal tetra
- Lemon tetra
- Penguin tetra
- Harlequin rasbora
- Black neon tetra
- Glowlight tetra
- Guppy
- Green neon tetra
- Lambchop rasbora
- Endler's livebearer
- Ember tetra
- Chili rasbora
Caution39 species
Both semi-aggressive
- Freshwater angelfish
- Swordtail
- Dwarf gourami
- Black skirt tetra
- Diamond tetra
- Tiger barb
- Serpae tetra
- Kissing gourami
- Rainbow shark
- Firemouth cichlid
- Yoyo loach
- Peacock cichlid
- Three spot gourami
- Julidochromis
- African butterflyfish
- Yellow lab cichlid
- Frontosa
- Oscar
- Cockatoo cichlid
- Multies shell dweller
- Dwarf puffer
- Black ghost knifefish
Not together7 species
Water temperatures do not overlap
In the wild
- Water type
- Freshwater
- Climate zone
- Tropical
- Habitat
- Midwater, close to the bottom
- Aquarium trade
- Traded commercially
Conservation status
Classification
- OrderCichliformes
- FamilyCichlidae
- GenusHeros
- SpeciesHeros efasciatus
In other languages
- English
- Green Severum Cichlid
- German
- Rotkeil-Augenfleckbuntbarsch
- French
- Cichlide rayé
Quick answers
- Severum size: how big does it get?
- Adults reach about 20 cm. Record sizes among the 189 Cichlidae species on LumaReef: 3 cm (Viejita Dwarf Cichlid) to 80 cm (Giant Tanganyika Cichlid).
- Severum tank size: what is the minimum?
- A tank at least 120 cm long. In LumaReef that is the Wide tank or larger.
- Severum water parameters: what does it need?
- Temperature 24–29 °C, pH 6.0–7.5, hardness 3–12 °dGH. Close to what most Cichlidae on LumaReef need (23–28 °C).
- Severum tank mates: what can it live with?
- It gets along with 53 of the 99 freshwater species in the catalogue, such as Bristlenose pleco, Sailfin molly, and Boesemani rainbowfish.
- Severum: alone or in a group?
- It can be kept on its own.
- Severum and plants: is it plant safe?
- No, it may eat or uproot plants.
Similar species
Sources
Severum: compiled from these references.









