Blackline tetra
📖 Overview
Blackline tetra (Hyphessobrycon scholzei) is a ray-finned fish of the family Acestrorhamphidae. It inhabits freshwater waters. This species can reach a maximum total length of 4 cm. With a trophic level of 2.9, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Physical description for Blackline tetra is currently being compiled.
🌀 Behaviour
Behavioural data for Blackline tetra is currently being reviewed.
🦐 Diet
🥚 Reproduction
Before spawning takes place in the tank, male carries out a courtship display in front of the female. Female lays eggs at random and eggs hatch in about 30 hours .
🌍 Habitat & Distribution
Freshwater; benthopelagic; pH range: 6.8 - 8.0; dH range: ? - 25. Tropical; 22°C - 28°C South America: Lower Amazon River basin.
🌿 Ecology
worms, small crustaceans and plant matter (Ref
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
"Hyphessobrycon Scholzei is an edible species."
- 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
- Cloudy or sunken eyes
- Strong fishy or ammonia odour
- Soft, mushy flesh that doesn't spring back
- Discoloured or dry flesh
⚡ Nutrition
Detailed nutritional data for Blackline tetra is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Blackline tetra has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (generic fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
|---|---|---|---|
| - | - | - |
🦠 Common Diseases
The following diseases are known to affect Blackline tetra.
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Blackline tetra ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.