Lipstick Tetra Care Guide

Moenkhausia cosmops · Freshwater Fish

Lipstick Tetra
AI-generated illustration of Lipstick Tetra
Temperature
72-82°F
pH
5.5-7.5
Adult size
~3″ (7.5 cm)
Suggested tank
20+ gal
Group size
6+ together
Origin
South America
Family
Characidae

What Lipstick Tetra look like

The Lipstick Tetra (Moenkhausia cosmops) exhibits a laterally compressed, fusiform body shape, reaching a maximum adult size of approximately 3 inches (7.5 cm). This species is characterized by its striking silver body adorned with a vivid red pigmentation on the mouth area, resembling 'lipstick', which serves as a primary identifying feature. The eyes may display a striking red-orange hue, enhancing its visual appeal. Sexual dimorphism is subtle, with females generally appearing slightly fuller-bodied than males, particularly during breeding periods. Defensive adaptations include a streamlined body that allows for rapid escape from predators, as well as a well-developed lateral line system that aids in detecting vibrations in the water. The dorsal fin is moderately sized, while the anal fin is elongated, contributing to its agile swimming capabilities.

Behavior & temperament

Lipstick Tetras are social fish that thrive in groups, exhibiting a natural tendency to form schools in the wild, which provides safety in numbers. They predominantly inhabit the mid to upper water column in their native South American environments, often found in slow-moving streams and flooded forest areas. During breeding, they are known to be egg scatterers, releasing their eggs among vegetation, which provides some protection from predation. Their temperament is generally peaceful, making them suitable for community tanks, although they can display mild territorial behavior during breeding. Overall, they exhibit a lively and active demeanor, often engaging in playful interactions within their schools.

Diet & feeding

In the wild, Lipstick Tetras are omnivorous, feeding on a varied diet that includes small invertebrates, plant matter, and detritus. In captivity, they thrive on a balanced diet of high-quality flake food, supplemented with live or frozen foods such as brine shrimp and daphnia, along with occasional vegetable matter.

Behind the name

Moenkhausia (named after the German naturalist Georg Moenkhaus); cosmops (from Greek 'kosmos' meaning 'world' and 'opsis' meaning 'appearance', referring to its distinctive appearance).

Plan your tank

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

Keeping Lipstick Tetra?

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