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Liem's halfbeak (Nomorhamphus liemi) — Zenarchopteridae

Liem's halfbeak

Nomorhamphus liemi
LC · Least Concern

The Liem's halfbeak (Nomorhamphus liemi) is a freshwater fish of the family Zenarchopteridae that grows up to 8 cm.

Length
8 cm
Water
Freshwater
Depth
0.0–? m
Diet
Carnivore
Behaviour
Small groups
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Sulawesi
Edibility
Not eaten

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Description

Liem's halfbeak is a small, livebearing halfbeak endemic to mountain streams of southern Sulawesi in Indonesia. The species grows to about 8 cm and has an elongate body with a short, fleshy, often red-black lower-jaw appendage, unlike the long lower jaw of many halfbeaks. It swims just below the surface and grabs insects that fall onto the water. Females give birth to live young. The fish is harmless to humans, occurs in the aquarium trade and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Liem's halfbeak?

The Liem's halfbeak has an elongate, eel-like body, is mainly brown and shows a plain pattern. Short fleshy appendage on the lower jaw; ovoviviparous small surface fish

Where does the Liem's halfbeak live?

The Liem's halfbeak lives in fresh water and is mostly found around open water. Sulawesi

How big does the Liem's halfbeak get?

The Liem's halfbeak grows to a maximum of about 8 cm. On average the species is around 8 cm.

Is the Liem's halfbeak dangerous to humans?

No, the Liem's halfbeak 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 Liem's halfbeak edible?

The Liem's halfbeak is not usually eaten.

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All data

Identification

English name
Liem's halfbeak verified
Scientific name
Nomorhamphus liemi
Family
Zenarchopteridae

Appearance

Size class
Small verified
Max length (cm)
8.0 verified
Average length (cm)
8.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Plain sourced
Tail shape
Rounded inferred
Mouth position
Superior (upward) sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
One continuous sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Natural range
Sulawesi verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Insects and small invertebrates at the surface inferred
Social behaviour
Small groups sourced
Territorial
Yes sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
Yes sourced
Seasonality
Ovoviviparous mountain-stream halfbeak; present year-round. sourced
Special features
Short fleshy appendage on the lower jaw; ovoviviparous small surface fish 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 Nomorhamphus

More from the family Zenarchopteridae

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