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Jack dempsey (Rocio octofasciata) — Cichlidae

Jack dempsey

Rocio octofasciata
Family: Cichlidae
LC · Least Concern

The Jack dempsey (Rocio octofasciata) is a freshwater fish of the family Cichlidae that grows up to 25 cm.

Length
25 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Solitary
Body shape
Flat / disc-shaped
Substrate
Mixed bottom
Danger
Harmless
Edibility
Not eaten

Description

The Jack Dempsey is a colourful cichlid from Central America, named after the boxer for its combative character. The species grows to about 25 cm and has a deep, dark body studded with numerous bright blue-green spots and several dark crossbars. It inhabits swampy areas with warm, murky water and weedy canals and ditches with mud or sand bottoms in lowland rivers. As an omnivore it feeds on worms, insects, crustaceans and small fishes. The species is strongly territorial, especially during brood care, and is popular in the aquarium. It is harmless to humans.

Frequently asked questions

How do you recognise the Jack dempsey?

The Jack dempsey has a flattened, disc-shaped body, is mainly blue and shows a spots pattern.

Where does the Jack dempsey live?

The Jack dempsey lives in fresh water and is mostly found around mixed bottom.

How big does the Jack dempsey get?

The Jack dempsey grows to a maximum of about 25 cm. On average the species is around 8 cm.

Is the Jack dempsey dangerous to humans?

No, the Jack dempsey is harmless to humans.

Is the Jack dempsey edible?

The Jack dempsey is not usually eaten.

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All data

Identification

Dutch name
Jack Dempsey sourced
English name
Jack dempsey verified
Scientific name
Rocio octofasciata
Family
Cichlidae
Other names
Jack dempsey; Jack Dempsey; Jack dempsey cichlid verified

Appearance

Size class
Medium verified
Max length (cm)
25.0 verified
Average length (cm)
7.5 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Blue inferred
Pattern
Spots inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Omnivore sourced
Social behaviour
Solitary inferred
Territorial
Yes inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes inferred

For anglers

Edibility
Not eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

More from the family Cichlidae

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