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PisciDex Species Profile

Lemon Tetra

Long-established community tetra that develops yellow highlights and confident behavior when kept in a proper school.

Lemon Tetra aquarium species

Hyphessobrycon pulchripinnis

Acestrorhamphidae | South America | Rio Tapajós basin, Brazil

Core Requirements

Tank Size

15 gallons minimum

Adult Size

1.6 inches

Group Size

Group 6+

Bioload

1/10

Water Parameters

Temperature

72-77 F

Tolerated Temp

72-82 F

pH

5.5-7.5

Plant Safe

Yes

Invert Safe

Yes

Data Confidence

medium

Temperature note: The recommended range is 72-77 F; the broader 72-82 F range is retained as tolerated rather than preferred.

Behavior & Husbandry

Temperament

Peaceful

Aggression

1/10

Diet

Omnivore

Difficulty

Easy

Lifespan

5 years

Breeding

Intermediate

Schooling

Yes

Compatibility Tags

CommunityNano TankPeacefulSchoolingMid WaterPlant SafeInvert SafeBeginner FriendlySoftwater

Similar Species

  • Black Neon TetraSimilar temperament. Similar minimum tank size.
  • Glowlight TetraSimilar temperament. Similar minimum tank size.
  • Cherry BarbSimilar temperament. Similar minimum tank size.
  • X-Ray TetraSimilar temperament. Similar minimum tank size.

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Species Compatibility

Database-driven compatibility notes for planning community aquariums.