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Plain velvetfish (Erisphex simplex) — Aploactinidae

Plain velvetfish

Erisphex simplex
Family: Aploactinidae

The Plain velvetfish (Erisphex simplex) is a saltwater fish of the family Aploactinidae that grows up to 8 cm.

Length
8 cm
Water
Saltwater
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Venomous / poisonous
Range
Asia: Taiwan/Ch Taipei

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Description

The Plain velvetfish is a velvetfish (Aploactinidae) from shallow coastal and reef water of the Indo-West Pacific. The species grows to about 8 cm and has a stocky body with a velvety, small-spined skin and a dorsal fin starting high on the head, strongly camouflaged on the bottom. As a motionless ambush predator it lies among weed, rubble and sand and snaps at small crustaceans. The dorsal spines are venomous and can give a painful puncture wound.

Frequently asked questions

How do you recognise the Plain velvetfish?

The Plain velvetfish has an elongate, eel-like body, is mainly brown and shows a marbled pattern. Bears venomous spines or tissue; handle with great care.

Where does the Plain velvetfish live?

The Plain velvetfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Asia: Taiwan/Ch Taipei

How big does the Plain velvetfish get?

The Plain velvetfish grows to a maximum of about 8 cm.

Is the Plain velvetfish dangerous to humans?

The Plain velvetfish 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
Plain velvetfish sourced
Scientific name
Erisphex simplex
Family
Aploactinidae

Appearance

Size class
Small verified
Max length (cm)
8 inferred
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Marbled sourced
Tail shape
Rounded inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Natural range
Asia: Taiwan/Ch Taipei sourced
Origin
Native inferred

Behaviour & biology

Territorial
No 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
Small in size and barely an angling target; mostly caught incidentally or as baitfish. 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 Erisphex

More from the family Aploactinidae

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