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Miyake triplefin (Enneapterygius miyakensis) — Tripterygiidae

Miyake triplefin

Enneapterygius miyakensis

The Miyake triplefin (Enneapterygius miyakensis) is a saltwater fish of the family Tripterygiidae that grows up to 5 cm.

Length
4.5 cm
Water
Saltwater
Depth
0.0–1.0 m
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Asia: Japan

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Description

The Miyake triplefin is a triplefin (Tripterygiidae) from shallow reef water of the northwest Pacific, off Japan. The species grows to about 4 cm and has a slender, brown-speckled body with three separate dorsal fins and large pectoral fins. As a bottom-dweller it perches on coral, rocks and in tide pools and snaps at small crustaceans and algae. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Miyake triplefin?

The Miyake triplefin has an elongate, eel-like body, is mainly brown and shows a spots pattern.

Where does the Miyake triplefin live?

The Miyake triplefin lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: Japan

How big does the Miyake triplefin get?

The Miyake triplefin grows to a maximum of about 5 cm.

Is the Miyake triplefin dangerous to humans?

No, the Miyake triplefin 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
Miyake triplefin sourced
Scientific name
Enneapterygius miyakensis
Family
Tripterygiidae
Other names
Izu Islands triplefin sourced

Appearance

Size class
Small verified
Max length (cm)
4.5 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Spots sourced
Tail shape
Rounded inferred
Dorsal fins
Three separate sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
1.0 verified
Natural range
Asia: Japan sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Activity
Diurnal 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
Small in size and barely an angling target; mostly caught incidentally or as baitfish. 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 Enneapterygius

More from the family Tripterygiidae

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