Striped Headstander
Anostomus anostomus
Striped Headstander (Anostomus anostomus) — Varies care, Peaceful, under Other. Minimum tank in the app: 70 US gal min; aim for 68–82°F and pH 6.5–7.5. The Striped Headstander is ideal for aquarists seeking an engaging mid-water swimmer that showcases unique behavior.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
South America
- South America
Regional colours match the stocking calculator’s origin map.
Striped Headstander Tank Setup
Create a balanced environment with both open swimming areas and sufficient hiding spots to promote comfort. Aim for stable water flow and varied substrate textures to replicate their natural habitat, while ensuring good lighting to enhance their striking patterns.
What Do Striped Headstanders Eat?
They are opportunistic feeders, often competing for food, so ensure even distribution during feeding times to minimize aggression. A varied diet will enhance their coloration and overall health, making it crucial to provide both high-quality flake and occasional protein-rich offerings.
Striped Headstander Tank Mates
Compatible tank mates include similarly sized mid-water swimmers that can handle a bit of assertiveness, such as larger tetras or peaceful cichlids. Avoid small, slow-moving species, as they may be seen as targets. Intraspecies, keeping a larger group can dilute aggression, but monitor for dominant individuals.
Are Striped Headstanders Good for Beginners?
Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the size and space requirements, leading to stress and aggression. neglecting water quality and filtration can exacerbate their semi-aggressive tendencies, resulting in health issues or territorial disputes within the tank.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




