Lemon Tetra Care Guide

Hyphessobrycon pulchripinnis · Freshwater Fish

Lemon Tetra
AI-generated illustration of Lemon Tetra
Temperature
70-80°F
pH
6.5-7.5
Adult size
~2″ (5 cm)
Suggested tank
20+ gal
Group size
6+ together
Origin
Amazon
Family
Characidae

What Lemon Tetra look like

Hyphessobrycon pulchripinnis, commonly known as the Lemon Tetra, exhibits a laterally compressed, fusiform body shape that can reach a maximum adult size of approximately 5 cm (2 inches). This species displays sexual dimorphism, with males typically being more slender and exhibiting brighter coloration compared to the more robust females, especially during the breeding season. The Lemon Tetra is characterized by its vibrant yellow to golden hue, which is most pronounced in healthy specimens. Notable morphological features include a prominent adipose fin, a well-defined lateral line, and small, sharp dentition adapted for a varied diet. The caudal fin is forked and slightly rounded, contributing to its agile swimming capabilities. Defensive adaptations include schooling behavior, which provides safety in numbers, and the ability to quickly dart into cover when threatened.

Behavior & temperament

Lemon Tetras are social fish that thrive in groups, exhibiting a strong tendency to form schools in the mid to upper water column of their aquatic environment. They are generally peaceful and exhibit a non-aggressive temperament, making them suitable for community tanks. In terms of breeding behavior, they are egg scatterers, typically laying their eggs among fine-leaved plants or spawning mops. The males engage in courtship displays, which include chasing the females and exhibiting brighter colors. Their social hierarchy is relatively flat, with no strict dominance among individuals, although larger males may assert themselves during breeding.

Diet & feeding

In the wild, Lemon Tetras are omnivorous, feeding on small invertebrates, plant matter, and detritus. In captivity, they require a balanced diet that includes high-quality flake food, micro-pellets, and occasional live or frozen foods such as brine shrimp or daphnia to ensure optimal health and coloration.

Behind the name

Hyphessobrycon (from Greek 'hyphos' meaning 'under' and 'sos' meaning 'body'; 'pulchripinnis' from Latin 'pulcher' meaning 'beautiful' and 'pinnis' meaning 'fins').

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Lemon Tetra?

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