New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater Endangered 🍽️ Edible 🌡️ Tropical

Poso halfbeak

Nomorhamphus celebensis Weber & de Beaufort, 1922
Max Length
8 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Poso halfbeak (Nomorhamphus celebensis) is a ray-finned fish of the family Zenarchopteridae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 8 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Endangered on the IUCN Red List. Commercially fished and consumed as food.

Scientific Name
Nomorhamphus celebensis
Authority
Weber & de Beaufort, 1922
Habitat
Freshwater
Climate
Tropical
IUCN Status
EN
Max Length
8 cm
Trophic Level
3.1
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Poso halfbeak is currently being compiled.

🌀 Behaviour

Behavioural data for Poso halfbeak is currently being reviewed.

🦐 Diet

Diet information for Poso halfbeak is currently being compiled.

🥚 Reproduction

Reproduction data for Poso halfbeak is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic; depth range 0 - ? m. Tropical; 1°S - 3°S, 119°W - 122°W Endemic to tributaries of Lake Poso (Indonesia).

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.03 (TL)
Max TL
8cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Weber & de Beaufort, 1922

🍽️ Edibility & Flavour

"Poso halfbeak is an edible species."

✗ Not for Raw
✓ Fresh Indicators
  • Clear, bright eyes — cloudy eyes indicate age
  • Firm flesh that springs back when pressed
  • Fresh ocean smell, never strong or ammonia-like
  • Bright red or pink gills, not grey or brown
  • Shiny, moist skin with scales tightly attached
✗ Avoid If
  • Cloudy or sunken eyes
  • Strong fishy or ammonia odour
  • Soft, mushy flesh that doesn't spring back
  • Discoloured or dry flesh
Best Cooking Methods
Baking Grilling Pan-frying

Nutrition

Detailed nutritional data for Poso halfbeak is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Poso halfbeak has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.

🌿 Sustainability

Best Choice
Healthy stocks, low impact
Good Alternative
Well-managed, minor concerns
Use Caution
Check sourcing and season
Avoid
Overfished or high impact

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Nomoramphus celebensis Weber & de Beaufort 1922 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 2 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Poso halfbeak ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.