Home · Lebiasinidae · Blackstripe pencilfish
Blackstripe pencilfish (Nannostomus harrisoni) — Lebiasinidae

Blackstripe pencilfish

Nannostomus harrisoni
Family: Lebiasinidae
LC · Least Concern

The Blackstripe pencilfish (Nannostomus harrisoni) is a freshwater fish of the family Lebiasinidae that grows up to 5 cm.

Length
4.5 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Large groups
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Edibility
Not eaten

Description

Harrison's pencilfish is a pencilfish (Lebiasinidae) from northern South America. The species is small, very slender and pencil-shaped with a shiny lengthwise stripe over the flank. It lives in schools in quiet, often dark-coloured forest streams and blackwater rivulets, close beneath the surface. With its small mouth it snaps small zooplankton and small invertebrates. It is a popular aquarium fish. The species is harmless to humans.

Frequently asked questions

How do you recognise the Blackstripe pencilfish?

The Blackstripe pencilfish has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern.

Where does the Blackstripe pencilfish live?

The Blackstripe pencilfish lives in fresh water and is mostly found around mixed bottom.

How big does the Blackstripe pencilfish get?

The Blackstripe pencilfish grows to a maximum of about 5 cm.

Is the Blackstripe pencilfish dangerous to humans?

No, the Blackstripe pencilfish is harmless to humans.

Is the Blackstripe pencilfish edible?

The Blackstripe pencilfish is not usually eaten.

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All data

Identification

Dutch name
Harrisons pennetjesvis sourced
English name
Blackstripe pencilfish verified
Scientific name
Nannostomus harrisoni
Family
Lebiasinidae
Other names
Harrison's pencilfish verified

Appearance

Size class
Small verified
Max length (cm)
4.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
One continuous inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Large groups inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

For anglers

Edibility
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

Same genus Nannostomus

More from the family Lebiasinidae

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