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💧 Freshwater 🍽️ Edible 🌡️ Tropical

Elongate hatchetfish

Triportheus elongatus Günther, 1864
Max Length
24.2 cm
Max Weight
-
Lifespan
-
Trophic Level
2.9
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
20.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Elongate hatchetfish (Triportheus elongatus) is a ray-finned fish of the family Triportheidae. It inhabits freshwater waters. This species can reach a maximum total length of 24.2 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. Commercially fished and consumed as food.

Scientific Name
Triportheus elongatus
Authority
Günther, 1864
Habitat
Freshwater
Climate
Tropical
Max Length
24.2 cm
Trophic Level
2.9
Vulnerability
20.00/100
Migration
Potamodromous
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Physical description for Elongate hatchetfish is currently being compiled.

🌀 Behaviour

Behavioural data for Elongate hatchetfish is currently being reviewed.

🦐 Diet

Diet information for Elongate hatchetfish is currently being compiled.

🥚 Reproduction

Reproduction data for Elongate hatchetfish is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; potamodromous . Tropical Central and South America: Amazon, Orinoco, and Essequibo River basins.

🌿 Ecology

Zone Preferences
💧 Freshwater
Migration
Potamodromous
Trophic Level
2.9±0.31

📐 Morphometrics

Length–Weight Relationship: W = 0.01318 × L2.96 (TL)
Max TL
24.2cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
2.9
Omnivore / Planktivore
Climate Zone
Tropical
Described By
Günther, 1864

🍽️ Edibility & Flavour

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

🔬 Mercury Safety

Mercury data for Elongate 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
Chalcinus amazonensis Miranda Ribeiro 1941 Synonym
Chalcinus cruzi Miranda Ribeiro 1941 Synonym
Chalcinus elongatus Günther 1864 Synonym
Chalcinus elongatus iquitensis Nakashima 1941 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 16 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
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