Home · Characidae · Colcibolca tetra
Colcibolca tetra (Astyanax nasutus) — Characidae

Colcibolca tetra

Astyanax nasutus
Family: Characidae
NE · Not Evaluated

The Colcibolca tetra (Astyanax nasutus) is a freshwater fish of the family Characidae that grows up to 10 cm.

Length
10 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Central America
Edibility
Not eaten

Want the complete picture on the Colcibolca tetra?

Get the app

Description

The sharpnose tetra is a small characin from fresh water of Central America, including Lake Nicaragua and adjacent waters. The species grows to about 10 cm and has a silvery, laterally compressed body with a pointed snout and often a dark stripe extending into the tail. It schools in rivers, streams and lakes and feeds on insects, small crustaceans, algae and plant matter. The fish is harmless to humans. The IUCN has not evaluated the species.

Frequently asked questions

How do you recognise the Colcibolca tetra?

The Colcibolca tetra has a torpedo-shaped body, is mainly silver-grey and shows a horizontal stripes pattern. Pointed snout and a dark caudal stripe; small schooling characin

Where does the Colcibolca tetra live?

The Colcibolca tetra lives in fresh water and is mostly found around mixed bottom. Central America

How big does the Colcibolca tetra get?

The Colcibolca tetra grows to a maximum of about 10 cm. On average the species is around 5 cm.

Is the Colcibolca tetra dangerous to humans?

No, the Colcibolca tetra 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 Colcibolca tetra edible?

The Colcibolca tetra is not usually eaten.

Fin

Want the complete picture on the Colcibolca tetra?

Point your camera at the fish and Fin names the species in seconds. Free, and the Colcibolca tetra is one of 12,519 species in the app.

Get the app →

All data

Identification

English name
Colcibolca tetra verified
Scientific name
Astyanax nasutus
Family
Characidae

Appearance

Size class
Small verified
Max length (cm)
10.0 verified
Average length (cm)
5.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Horizontal stripes sourced
Tail shape
Forked inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Central America verified
Origin
Native verified

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Insects, small crustaceans, algae and plant material inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Schooling lake and river tetra; present year-round. sourced
Special features
Pointed snout and a dark caudal stripe; small schooling characin sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. 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 Astyanax

More from the family Characidae

Fin

Want the complete picture on the Colcibolca tetra?

Point your camera at the fish and Fin names the species in seconds. Free, and the Colcibolca tetra is one of 12,519 species in the app.

Get the app →
Is this the Colcibolca tetra? Get the app