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Severum (Heros efasciatus) — Cichlidae

Severum

Heros efasciatus
Family: Cichlidae
LC · Least Concern
NativeIntroduced

The Severum (Heros efasciatus) is a freshwater fish of the family Cichlidae that grows up to 17 cm.

Length
17 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Amazon basin
Edibility
Rarely eaten

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Description

The severum is a deep, laterally compressed cichlid from the Amazon basin in South America. The species grows to about 17 cm and has a disc-shaped, green-yellow to brownish body; juveniles show dark cross-bars that largely disappear in adults. It lives in calm, plant-rich rivers and flooded forests and eats plant matter, fruit, algae and small invertebrates. It is a popular aquarium fish. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Severum?

The Severum has a flattened, disc-shaped body, is mainly green and shows a plain pattern. Disc-shaped cichlid; juveniles with vertical bars; sought-after aquarium fish

Where does the Severum live?

The Severum lives in fresh water and is mostly found around mixed bottom. Amazon basin

How big does the Severum get?

The Severum grows to a maximum of about 17 cm.

Is the Severum dangerous to humans?

No, the Severum is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Severum edible?

The Severum is rarely eaten.

More photos

Severum (Heros efasciatus) — Cichlidae — 2
iNaturalist ((c) J Sim, some rights reserved (CC BY-NC))
Severum (Heros efasciatus) — Cichlidae — 3
iNaturalist ((c) Jiayuan Lin, some rights reserved (CC BY-NC))
Severum (Heros efasciatus) — Cichlidae — 4
Wikimedia Commons — Ltshears (CC BY-SA 3.0)
Severum (Heros efasciatus) — Cichlidae — 5
iNaturalist ((c) Anthony Giardenelli, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Severum verified
Scientific name
Heros efasciatus
Family
Cichlidae

Appearance

Size class
Medium verified
Max length (cm)
17.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Green inferred
Pattern
Plain sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thick / fleshy sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Amazon basin verified
Origin
Native verified

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Plant material, fruits, algae and small invertebrates inferred
Social behaviour
Small groups sourced
Territorial
Yes sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Cichlid of plant-rich rivers; present year-round. sourced
Special features
Disc-shaped cichlid; juveniles with vertical bars; sought-after aquarium fish sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Heros

More from the family Cichlidae

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