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Fire dartfish (Nemateleotris magnifica) — Microdesmidae

Fire dartfish

Nemateleotris magnifica
Family: Microdesmidae
LC · Least Concern

The Fire dartfish (Nemateleotris magnifica) is a saltwater fish of the family Microdesmidae that grows up to 9 cm.

Length
9 cm
Water
Saltwater
Depth
0.0–70.0 m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
Harmless
Range
Indo-Pacific
Edibility
Not eaten

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Description

The fire dartfish is a small, colourful reef fish from the Indo-Pacific, ranging from East Africa to Hawaii and the Pitcairn Islands. The species grows to about 9 cm and has an elongate body that is white to yellow at the front and grades into bright red-orange towards the rear; a tall, pennant-like first dorsal spine that is constantly flicked back and forth is distinctive. It hovers just above the bottom on outer reef slopes, facing the current, and dives into a burrow when threatened. The fish feeds on zooplankton and is monogamous. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Fire dartfish?

The Fire dartfish has an elongate, eel-like body, is mainly multicoloured and shows a plain pattern. Tall pennant-shaped first dorsal fin spine; hovers above its burrow and dives into it when threatened

Where does the Fire dartfish live?

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

How big does the Fire dartfish get?

The Fire dartfish grows to a maximum of about 9 cm.

Is the Fire dartfish dangerous to humans?

No, the Fire dartfish 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.

Is the Fire dartfish edible?

The Fire dartfish is not usually eaten.

More photos

Fire dartfish (Nemateleotris magnifica) — Microdesmidae — 2
iNaturalist ((c) Mark Rosenstein, some rights reserved (CC BY-NC))
Fire dartfish (Nemateleotris magnifica) — Microdesmidae — 3
Wikimedia Commons — pakmat (CC BY-SA 2.0)
Fire dartfish (Nemateleotris magnifica) — Microdesmidae — 4
iNaturalist ((c) Shinto K Anto, some rights reserved (CC BY-NC))
Fire dartfish (Nemateleotris magnifica) — Microdesmidae — 5
iNaturalist ((c) David R, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Fire dartfish verified
Scientific name
Nemateleotris magnifica
Family
Microdesmidae
Other names
Fire dartfish; Fire fish; Fire goby; Red fire-goby; Firefish; Red fire goby; Red firegoby verified

Appearance

Size class
Small verified
Max length (cm)
9.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Multicoloured sourced
Pattern
Plain sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
70.0 verified
Natural range
Indo-Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Zooplankton sourced
Social behaviour
Small groups sourced
Territorial
Yes inferred
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Resident fish above outer reef slopes; monogamous. sourced
Special features
Tall pennant-shaped first dorsal fin spine; hovers above its burrow and dives into it when threatened sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
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 Nemateleotris

More from the family Microdesmidae

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