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Softspine tandan (Neosilurus mollespiculum) — Plotosidae

Softspine tandan

Neosilurus mollespiculum
Family: Plotosidae

The Softspine tandan (Neosilurus mollespiculum) is a freshwater fish of the family Plotosidae that grows up to 44 cm.

Length
44 cm
Water
Freshwater
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
Oceania: Australia

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Description

The Softspine tandan is an eeltail catfish (Plotosidae) from fresh and estuarine water of Australia. The species grows to about 30 cm and has an elongate, scaleless body with an eel-like fin merging into the tail and barbels around the mouth. As a bottom-oriented fish it searches over sand and mud for worms, crustaceans and small fish. The dorsal and pectoral spines are strongly venomous and can give a very painful sting.

Frequently asked questions

How do you recognise the Softspine tandan?

The Softspine tandan has an elongate, eel-like body and is mainly brown. Bears venomous spines or tissue; handle with great care.

Where does the Softspine tandan live?

The Softspine tandan lives in fresh water and is mostly found around sand or mud bottom. Oceania: Australia

How big does the Softspine tandan get?

The Softspine tandan grows to a maximum of about 44 cm.

Is the Softspine tandan dangerous to humans?

The Softspine tandan 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

English name
Softspine tandan sourced
Scientific name
Neosilurus mollespiculum
Family
Plotosidae
Other names
Soft-spined catfish; Softspine catfish verified

Appearance

Size class
Large verified
Max length (cm)
44.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Tail shape
Rounded inferred
Barbels
Yes sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Oceania: Australia sourced
Origin
Native inferred

Behaviour & biology

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
Special features
Bears venomous spines or tissue; handle with great care. 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
Venomous / poisonous verified
First aid
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. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Neosilurus

More from the family Plotosidae

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