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Guatemalan glass characin (Roeboides guatemalensis) — Characidae

Guatemalan glass characin

Roeboides guatemalensis
Family: Characidae
NT · Near Threatened

The Guatemalan glass characin (Roeboides guatemalensis) is a freshwater fish of the family Characidae that grows up to 13 cm.

Length
13 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Range
Central America; Atlantic (Caribbean) slope, including Panama (Lake Gatun, Chagres River).
Edibility
Not eaten

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Description

The Guatemalan glass headstander is a Central American characin of the family Characidae from the Atlantic (Caribbean) slope of Central America. The species grows to about 13 cm and has a deep, strongly translucent body with a shining sheen and a spot on the tail base. It often holds itself at an angle, head down, in the water column. Notable is its feeding: it is a scale-eater (lepidophage) that with outward-projecting teeth scrapes scales from the flanks of other fishes, supplemented with insects and small invertebrates. Owing to a restricted range the species is listed as Near Threatened (NT). It is harmless to humans.

Frequently asked questions

How do you recognise the Guatemalan glass characin?

The Guatemalan glass characin has an elongate, eel-like body, is mainly silver-grey and shows a plain pattern. Translucent scale-eater (lepidophage) that scrapes scales off other fishes; near threatened (NT).

Where does the Guatemalan glass characin live?

The Guatemalan glass characin lives in fresh water and is mostly found around mixed bottom. Central America; Atlantic (Caribbean) slope, including Panama (Lake Gatun, Chagres River).

How big does the Guatemalan glass characin get?

The Guatemalan glass characin grows to a maximum of about 13 cm.

Is the Guatemalan glass characin dangerous to humans?

No, the Guatemalan glass characin is harmless to humans. None required: this species is harmless to humans.

Is the Guatemalan glass characin edible?

The Guatemalan glass characin is not usually eaten.

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All data

Identification

English name
Guatemalan glass characin verified
Scientific name
Roeboides guatemalensis
Family
Characidae
Other names
Guatemalan headstander verified

Appearance

Size class
Small verified
Max length (cm)
13.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Plain 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
Natural range
Central America; Atlantic (Caribbean) slope, including Panama (Lake Gatun, Chagres River). inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Scales of other fishes (lepidophagous), plus insects and small invertebrates 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
Translucent scale-eater (lepidophage) that scrapes scales off other fishes; near threatened (NT). 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 Roeboides

More from the family Characidae

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