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💧 Freshwater Critically Endangered 🍽️ Edible 🌡️ Tropical

Copper tetra

Hasemania melanura Ellis, 1911
Max Length
4.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Copper tetra (Hasemania melanura) is a ray-finned fish. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 4.4 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Critically Endangered on the IUCN Red List. Commercially fished and consumed as food.

Scientific Name
Hasemania melanura
Authority
Ellis, 1911
Habitat
Freshwater
Climate
Tropical
IUCN Status
CR
Max Length
4.4 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

Genus
Hasemania
Hasemania
Species
Copper tetra
Hasemania melanura

🐟 Physical Description

Physical description for Copper tetra is currently being compiled.

🌀 Behaviour

Behavioural data for Copper tetra is currently being reviewed.

🦐 Diet

Diet information for Copper tetra is currently being compiled.

🥚 Reproduction

Reproduction data for Copper tetra is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical South America: Iguaçu River basin.

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00759 × L3.17 (TL)
Max TL
4.4cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Ellis, 1911

🍽️ Edibility & Flavour

"Hasemania Melanura 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 Copper tetra is currently being compiled from USDA FoodData Central.

🔬 Mercury Safety

Mercury data for Copper tetra 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

👥 Community & Contribute

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