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Silver distichodus (Distichodus affinis) — Distichodontidae

Silver distichodus

Distichodus affinis
LC · Least Concern

The Silver distichodus (Distichodus affinis) is a freshwater fish of the family Distichodontidae that grows up to 20 cm.

Length
20 cm
Water
Freshwater
Diet
Herbivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
Fresh water of Central Africa, in the Congo basin, in rivers, creeks and swamps with abundant aquatic plants.
Edibility
Commonly eaten

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Description

The silver distichodus is a deep, laterally compressed characin of the family Distichodontidae reaching about 20 cm. The silvery body has a small head with a downturned mouth, an adipose fin (as in many characins) and often a dark spot near the tail. The species comes from the Congo basin in Central Africa and lives in schools in rivers, creeks and swamps with abundant water plants. It mainly eats plant matter: water plants, algae, growth and detritus, which it scrapes off plants and the bottom. In the rainy season it spawns among flooded vegetation. With its size it is locally a food fish, and young animals occasionally appear in the aquarium hobby.

Frequently asked questions

How do you recognise the Silver distichodus?

The Silver distichodus has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Deep, silvery little characin with a small head, an adipose fin and a dark blotch near the tail; feeds mainly on plants.

Where does the Silver distichodus live?

The Silver distichodus lives in fresh water and is mostly found around open water. Fresh water of Central Africa, in the Congo basin, in rivers, creeks and swamps with abundant aquatic plants.

How big does the Silver distichodus get?

The Silver distichodus grows to a maximum of about 20 cm.

Is the Silver distichodus dangerous to humans?

No, the Silver distichodus is harmless to humans. None required: this species is harmless to humans.

Is the Silver distichodus edible?

Yes, the Silver distichodus is commonly eaten.

More photos

Silver distichodus (Distichodus affinis) — Distichodontidae — 2
iNaturalist ((c) John P Friel, some rights reserved (CC BY))
Silver distichodus (Distichodus affinis) — Distichodontidae — 3
Brian Sidlauskas (CC BY 4.0) via GBIF — SAIAB
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All data

Identification

English name
Silver distichodus verified
Scientific name
Distichodus affinis
Family
Distichodontidae
Other names
Silver distichodus verified

Appearance

Size class
Medium verified
Max length (cm)
20.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Plain sourced
Tail shape
Forked inferred
Mouth position
Inferior (downward) inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Freshwater verified
Substrate
Open water verified
Natural range
Fresh water of Central Africa, in the Congo basin, in rivers, creeks and swamps with abundant aquatic plants. verified
Origin
Native verified

Behaviour & biology

Diet
Herbivore verified
Diet (detail)
Aquatic plants, algae, biofilm and detritus sourced
Social behaviour
Schooling verified
Territorial
No verified
Activity
Diurnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Spawns in the rainy season among flooded vegetation; eggs and larvae drift in open water. sourced
Special features
Deep, silvery little characin with a small head, an adipose fin and a dark blotch near the tail; feeds mainly on plants. sourced

For anglers

Edibility
Commonly eaten verified
Fishing method
Fishing with plant bait or paste bait on a bottom or float rig. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Distichodus

More from the family Distichodontidae

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