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Glass headstander (Roeboides microlepis) — Characidae

Glass headstander

Roeboides microlepis
Family: Characidae

The Glass headstander (Roeboides microlepis) is a freshwater fish of the family Characidae that grows up to 20 cm.

Length
20 cm
Water
Freshwater
Diet
Omnivore
Activity
Diurnal
Body shape
Flat / disc-shaped
Substrate
Mixed bottom
Danger
Harmless
Range
South America: Argentina, Brazil, Paraguay, Uruguay, Venezuela

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Description

The glass headstander is a South American characin (Characidae) from fresh water of the Amazon and Paraguay basins. The species grows to about 12 cm and has a translucent, silvery, laterally compressed body with a dark shoulder mark and a spot on the tail base. Characteristically it often swims at an angle, head down. With sharp, outward-pointing teeth it picks scales and skin flakes from other fish and eats small invertebrates. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Glass headstander?

The Glass headstander has a flattened, disc-shaped body and is mainly silver-grey.

Where does the Glass headstander live?

The Glass headstander lives in fresh water and is mostly found around mixed bottom. South America: Argentina, Brazil, Paraguay, Uruguay, Venezuela

How big does the Glass headstander get?

The Glass headstander grows to a maximum of about 20 cm.

Is the Glass headstander dangerous to humans?

No, the Glass headstander 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.

More photos

Glass headstander (Roeboides microlepis) — Characidae — 2
EmhartVuletich (CC BY-NC 4.0) via GBIF — iNaturalist
Glass headstander (Roeboides microlepis) — Characidae — 3
iNaturalist ((c) Alejandro Pini, some rights reserved (CC BY-NC))
Glass headstander (Roeboides microlepis) — Characidae — 4
iNaturalist ((c) sandra williams, some rights reserved (CC BY-NC))
Glass headstander (Roeboides microlepis) — Characidae — 5
iNaturalist ((c) Gonzalo Pardo, some rights reserved (CC BY-NC-SA))
Fin

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All data

Identification

English name
Glass headstander sourced
Scientific name
Roeboides microlepis
Family
Characidae

Appearance

Size class
Medium verified
Max length (cm)
20.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Silver / grey sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
South America: Argentina, Brazil, Paraguay, Uruguay, Venezuela sourced
Origin
Native inferred

Behaviour & biology

Diet
Omnivore inferred
Diet (detail)
Invertebrates, algae and detritus inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
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 Roeboides

More from the family Characidae

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