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Filament-finned dartfish (Ptereleotris hanae) — Microdesmidae

Filament-finned dartfish

Ptereleotris hanae
Family: Microdesmidae

The Filament-finned dartfish (Ptereleotris hanae) is a saltwater fish of the family Microdesmidae that grows up to 12 cm.

Length
12 cm
Water
Saltwater
Depth
3.0–50.0 m
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Edibility
Commonly eaten

Description

The Filament-finned dartfish is a dartfish (Microdesmidae) from the western Pacific. The species grows to about 12 cm and has an elongate, blue body. Males have strongly elongate, thread-like dorsal-fin rays. It hovers just above sand and rubble bottoms near reefs and darts into a burrow at lightning speed when threatened; it eats zooplankton from the current. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Filament-finned dartfish?

The Filament-finned dartfish has an elongate, eel-like body and is mainly blue.

Where does the Filament-finned dartfish live?

The Filament-finned dartfish lives in the sea (marine waters) and is mostly found around stony or rocky ground.

How big does the Filament-finned dartfish get?

The Filament-finned dartfish grows to a maximum of about 12 cm.

Is the Filament-finned dartfish dangerous to humans?

No, the Filament-finned dartfish is harmless to humans.

Is the Filament-finned dartfish edible?

Yes, the Filament-finned dartfish is commonly eaten.

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All data

Identification

Dutch name
Draadvin-pijlgrondel sourced
English name
Filament-finned dartfish sourced
Scientific name
Ptereleotris hanae
Family
Microdesmidae
Other names
Blue hana goby; Filament dartfish; Threadfin dartfish; Thread-tail dartgoby verified

Appearance

Size class
Small verified
Max length (cm)
12.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Blue sourced
Tail shape
Forked inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
3.0 verified
Max depth (m)
50.0 verified
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred

For anglers

Edibility
Commonly eaten inferred
Fishing method
Klein van stuk en nauwelijks een hengelsportdoel; wordt vooral incidenteel of als aasvis gevangen. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified

Status & sources

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

Same genus Ptereleotris

More from the family Microdesmidae

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