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Glass headstander (Charax gibbosus) — Characidae

Glass headstander

Charax gibbosus
Family: Characidae
LC · Least Concern

The Glass headstander (Charax gibbosus) is a freshwater fish of the family Characidae that grows up to 14 cm.

Length
14.4 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Torpedo-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
Northern South America; standing and slow waters.
Edibility
Not eaten

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Description

The glass headstander is a characin (Characidae) from northern South America. The species grows to about 15 cm and has a deep, strongly arched, semi-transparent body through which internal parts are visible. It lives in still and slow-flowing waters of the Amazon and Orinoco basins, often among water plants. Striking is its oblique, head-down swimming posture, characteristic of headstanders. As a small predator it hunts insects, small crustaceans and small fishes. The species is popular in the aquarium hobby and is harmless to humans.

Frequently asked questions

How do you recognise the Glass headstander?

The Glass headstander has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Strongly arched back and a semi-transparent body; swims at an angle with the head down.

Where does the Glass headstander live?

The Glass headstander lives in fresh water and is mostly found around mixed bottom. Northern South America; standing and slow waters.

How big does the Glass headstander get?

The Glass headstander grows to a maximum of about 14 cm.

Is the Glass headstander dangerous to humans?

No, the Glass headstander is harmless to humans. None required: this species is harmless to humans.

Is the Glass headstander edible?

The Glass headstander is not usually eaten.

More photos

Glass headstander (Charax gibbosus) — Characidae — 2
Wikimedia Commons — Carl H. Eigenmann (No restrictions) [illustratie]
Glass headstander (Charax gibbosus) — Characidae — 3
Wikimedia Commons — Leibniz Institute for the Analysis of Biodiversity Change (LIB) (CC BY-SA 4.0)
Glass headstander (Charax gibbosus) — Characidae — 4
Florida Museum of Natural History Ichthyology (CC BY-NC 4.0) via GBIF — UF
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All data

Identification

English name
Glass headstander verified
Scientific name
Charax gibbosus
Family
Characidae
Other names
Glass headstander; Humpback headstander; Transparent tetra verified

Appearance

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

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Northern South America; standing and slow waters. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Insects, small crustaceans and small fishes sourced
Social behaviour
Small groups inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Strongly arched back and a semi-transparent body; swims at an angle with the head down. 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
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Charax

More from the family Characidae

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