Ember Tetra - Complete Care Guide

Ember Tetra (Hyphessobrycon amandae) earns its place in nano tanks on size alone: at roughly 0.8 inch, it's one of the smallest tetras commonly kept, small enough that a proper school fits in tanks most other schooling fish can't. Its coloring sets it apart just as clearly - where most tetras carry stripes, spots, or a localized band of color, Ember Tetra's entire translucent body glows a solid orange-red with a coppery sheen, no pattern involved at all.

Photo: Mbdtsmo - Wikimedia Commons, CC BY-SA 4.0

Parameter	Value
Adult size	~0.8 in
Minimum tank	10 gallons (5-gal nano viable for a smaller school)
Group size	8+
pH range	5.5-7.5
Temperature	72-82°F

Small Enough to Change What's Possible in a Nano Tank

Most schooling fish need real tank volume just to fit a proper group comfortably; Ember Tetra's 0.8-inch size shifts that math. A 10-gallon tank houses a full school with room to spare, and even a 5-gallon nano setup can support a smaller group - genuinely opening up schooling-fish options for tank sizes that would cramp almost anything else sold as a community schooler.

Color Without a Pattern

The typical tetra color story involves a stripe, a spot, or a band running along the body - Neon Tetra's blue line, Serpae Tetra's red body with black-edged fins. Ember Tetra skips the pattern entirely: the whole translucent body carries an even orange-red glow with a coppery sheen, making it visually distinct from most of the tetras it gets grouped with in the hobby.

Group Size Directly Affects Color and Health

Kept below 8, Ember Tetra visibly suffers - hiding constantly, dimming from its normal bright orange-red, and becoming more vulnerable to disease. A full group of 8 or more isn't just a behavioral nicety here; it's close to a requirement for the fish to display the color that's the entire reason most keepers choose it.

Forgiving Water Chemistry

Ember Tetra tolerates a wide pH range (5.5-7.5) and temperature range (72-82°F) across very soft to moderately hard water - more flexible than many small nano fish that demand narrow, precisely maintained parameters. Slow flow and gentle filtration, such as a sponge filter, suit its small size better than a strong power filter current.

Related Guides

• Neon Tetra Care Guide
• Cherry Barb Care Guide
• White Cloud Mountain Minnow Care Guide
• Glowlight Tetra Care Guide