Dawn Tetra (Aphyocharax paraguayensis)
Also known as: Paraguay Dawn Tetra
 
Overview
The Dawn Tetra is a small, peaceful South American characin known for its subtle coloration—silvery-peach tones that glow with a warm “dawn” hue under good lighting. They’re hardy, active mid-water swimmers and make an excellent choice for community tanks.
 
 
 
Scientific Name
Aphyocharax paraguayensis
Size
Up to 3.5–4 cm (1.5 inches)
Lifespan
3–5 years with good care
 
Temperament
Peaceful, active schooling fish
Best kept in groups of 8+
 
Tank Size
Minimum 40 L (10 gallons) for a group
60–80 L (15–20 gallons) recommended for better schooling behaviour
 
Water Parameters
Temperature: 22–28°C
pH: 6.0–7.5
Hardness: Soft to moderately hard (2–12 dGH)
 
Diet
Omnivorous—readily accepts:
High-quality flakes or micro-pellets
Frozen foods (daphnia, bloodworms, brine shrimp)
Live foods when available
 
Tank Setup
Substrate: Dark substrate enhances color
Plants: Appreciates heavily planted areas with open swimming space
Decor: Driftwood, leaf litter, floating plants for dimmer lighting
Lighting: Low to medium
 
Behaviour
Fast, social, and lively
Displays best color in groups
Compatible with peaceful tetras, rasboras, small corydoras, dwarf cichlids, etc.
 
Breeding
Egg scatterer
Use a separate breeding tank with mesh or marbles to protect eggs
Slightly warmer water (27–28°C)
Condition with live foods
Remove adults after spawning