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💧 Freshwater Least Concern 🍽️ Edible 🌡️ Tropical

Silver hatchetfish

Gasteropelecus levis Eigenmann, 1909
Max Length
3.5 cm
Max Weight
Lifespan
Trophic Level
3.3
Depth
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Silver hatchetfish (Gasteropelecus levis) is a ray-finned fish of the family Gasteropelecidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 3.5 cm. With a trophic level of 3.3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List. Commercially fished and consumed as food.

Scientific Name
Gasteropelecus levis
Authority
Eigenmann, 1909
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
3.5 cm
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Physical description for Silver hatchetfish is currently being compiled.

🌀 Behaviour

Behavioural data for Silver hatchetfish is currently being reviewed.

🦐 Diet

Diet information for Silver hatchetfish is currently being compiled.

🥚 Reproduction

Reproduction data for Silver hatchetfish is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: lower Amazon River basin in Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.3±0.39
Food Items

worms, crustaceans and insects

📐 Morphometrics

Length–Weight Relationship: W = 0.01259 × L3.03 (TL)
Max TL
3.5cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Climate Zone
Tropical
Described By
Eigenmann, 1909

🍽️ Edibility & Flavour

"Silver hatchetfish 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 Silver hatchetfish is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Silver hatchetfish 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
Pterodiscus levis Eigenmann 1909 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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View all observations for Silver hatchetfish ↗
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