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Sao Francisco pleco (Hypostomus alatus) — Loricariidae

Sao Francisco pleco

Hypostomus alatus
Family: Loricariidae

The Sao Francisco pleco (Hypostomus alatus) is a freshwater fish of the family Loricariidae that grows up to 36 cm.

Length
36 cm
Water
Freshwater
Diet
Herbivore
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
South America: Argentina, Brazil, Uruguay

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Description

The Sao Francisco pleco is a large armoured catfish (Loricariidae) from fresh water of the Sao Francisco basin in Brazil. The species grows to about 36 cm and has a robust, bony-plated, brown body with a broad sucker mouth. As a bottom-dweller it clings to wood and stones in rivers and rasps algae, growth and detritus; in drought it can use air from the gut. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Sao Francisco pleco?

The Sao Francisco pleco has an elongate, eel-like body and is mainly brown.

Where does the Sao Francisco pleco live?

The Sao Francisco pleco lives in fresh water and is mostly found around sand or mud bottom. South America: Argentina, Brazil, Uruguay

How big does the Sao Francisco pleco get?

The Sao Francisco pleco grows to a maximum of about 36 cm.

Is the Sao Francisco pleco dangerous to humans?

No, the Sao Francisco pleco 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.

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All data

Identification

English name
Sao Francisco pleco sourced
Scientific name
Hypostomus alatus
Family
Loricariidae
Other names
Catfish sourced

Appearance

Size class
Medium verified
Max length (cm)
36 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Tail shape
Forked
Mouth position
Inferior (downward) sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
South America: Argentina, Brazil, Uruguay sourced
Origin
Native

Behaviour & biology

Diet
Herbivore
Diet (detail)
Algae and plant material
Territorial
No
Activity
Nocturnal
Reproduction
Separate sexes
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.

For anglers

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

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 Hypostomus

More from the family Loricariidae

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