Cascajal Toothcarp

Cyprinodontiformes sp.

Cascajal Toothcarp (Cyprinodontiformes sp.) — Easy care, Semi-aggressive, under Livebearer & Killifish. Minimum tank in the app: 10.6 US gal min; aim for 75–82°F and pH 6.8–8.2. The Cascajal Toothcarp is ideal for aquarists seeking a dynamic yet manageable species that thrives in groups.

Cascajal Toothcarp (Cyprinodontiformes sp.) in a planted freshwater aquarium
Care levelEasy
TemperamentSemi-aggressive
Min tank size10.6 US gal min
pH range6.8–8.2
Temperature75–82°F
Max size2.0 in (5.0 cm)
Captive lifespan2–4 years
SchoolingYes · 6+ recommended

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

Americas / Africa (varies)

  • Africa
  • South America
  • Central America & Mexico

Regional colours match the stocking calculator’s origin map.

Cascajal Toothcarp Tank Setup

A 40L tank should balance open swimming space with ample hiding spots. Incorporate floating plants and decor to create mid-level cover, as well as a varied substrate to stimulate natural foraging behavior. Lighting should mimic natural conditions to support their activity levels, avoiding extremes that might induce stress.

What Do Cascajal Toothcarps Eat?

Feeding is generally competitive but manageable; offer a varied diet to enhance health and coloration. They may exhibit faster feeding rates when in groups, so consider distributing food across the tank to prevent dominant individuals from monopolizing resources.

Cascajal Toothcarp Tank Mates

Ideal tank mates include similarly sized, non-territorial species that occupy different swim zones, such as small tetras or rasboras. Avoid larger or more aggressive fish that might intimidate or outcompete them for resources. Intraspecies, maintain groups of at least six to promote social stability and reduce aggression.

Are Cascajal Toothcarps Good for Beginners?

In App-aquatic we file this under easy care. That still means a cycled tank, realistic stocking, and parameters that do not swing every weekend. Aquarists often underestimate the importance of maintaining a proper group size, leading to stress and aggression. neglecting to provide adequate cover can result in increased territorial disputes and skittish behavior.

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.