Fin's Fish Guide
The Nail stream catfish (Akysis clavulus) is a freshwater fish of the family Akysidae that grows up to 4 cm.
Description
The Nail stream catfish is a small stream catfish (Akysidae) from fast-flowing, clear fresh water of Southeast Asia. The species grows to about 6 cm and has a stocky, brown-mottled body with rough, tubercled skin, four pairs of barbels and an adipose fin. As a nocturnal bottom-dweller it shelters among gravel, sand and leaf litter and snaps at insect larvae and small invertebrates. The pectoral spines are linked to a venom gland and can give a painful, burning puncture wound.
Frequently asked questions
How do you recognise the Nail stream catfish?
The Nail stream catfish has an elongate, eel-like body, is mainly brown and shows a spots pattern. Bears venomous spines or tissue; handle with great care.
Where does the Nail stream catfish live?
The Nail stream catfish lives in fresh water and is mostly found around sand or mud bottom. Asia: Viet Nam
How big does the Nail stream catfish get?
The Nail stream catfish grows to a maximum of about 4 cm.
Is the Nail stream catfish dangerous to humans?
The Nail stream catfish is venomous — handle spines with care and seek medical help after a sting if needed. For a sting from a fin spine: rinse the wound, remove any visible spine fragments and immerse the part for 30-90 minutes in water as hot as can be tolerated (about 45 C) to break down the venom. The pain can be severe. For marked swelling, a retained spine or signs of infection seek medical care and check tetanus status.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Akysis
More from the family Akysidae
Want the complete picture on the Nail stream catfish?
Point your camera at the fish and Fin names the species in seconds. Free, and the Nail stream catfish is one of 12,519 species in the app.