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Sao Francisco sailfin catfish (Pterygoplichthys etentaculatus) — Loricariidae

Sao Francisco sailfin catfish

Pterygoplichthys etentaculatus
Family: Loricariidae

The Sao Francisco sailfin catfish (Pterygoplichthys etentaculatus) is a freshwater fish of the family Loricariidae that grows up to 32 cm.

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

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Description

The Sao Francisco sailfin catfish is a large sailfin armoured catfish (Loricariidae) from fresh water of the Sao Francisco basin in Brazil. The species grows to about 32 cm and has a robust, bony-plated, brown body with a conspicuously high, sail-like dorsal fin and a broad sucker mouth. The body bears a pattern of dark spots. As a bottom-dweller it rasps algae, growth and detritus from wood and stones; in drought it can shelter in mud and use air from the gut. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Sao Francisco sailfin catfish?

The Sao Francisco sailfin catfish has an elongate, eel-like body, is mainly brown and shows a spots pattern.

Where does the Sao Francisco sailfin catfish live?

The Sao Francisco sailfin catfish lives in fresh water and is mostly found around sand or mud bottom. South America: Brazil

How big does the Sao Francisco sailfin catfish get?

The Sao Francisco sailfin catfish grows to a maximum of about 32 cm.

Is the Sao Francisco sailfin catfish dangerous to humans?

No, the Sao Francisco sailfin catfish 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 sailfin catfish sourced
Scientific name
Pterygoplichthys etentaculatus
Family
Loricariidae

Appearance

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

Habitat & distribution

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

Behaviour & biology

Diet
Herbivore inferred
Diet (detail)
Algae and plant material inferred
Territorial
No inferred
Activity
Nocturnal 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 Pterygoplichthys

More from the family Loricariidae

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