Spotted Severum

Heros notatus

Spotted Severum (Heros notatus) — Varies care, Peaceful, under Other. Minimum tank in the app: 58 US gal min; aim for 72–84°F and pH 6.5–7.5. The Spotted Severum is an engaging addition for aquarists seeking a moderately challenging species that displays unique personalities.

Spotted Severum (Heros notatus) in a planted freshwater aquarium
Care levelVaries
TemperamentPeaceful
Min tank size58 US gal min
pH range6.5–7.5
Temperature72–84°F
Max size11.8 in (30.0 cm)
Captive lifespan8–12 years
SchoolingNo

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.

Spotted Severum Tank Setup

Creating a balanced environment is key; provide ample swimming space complemented by hiding spots using rocks, plants, or driftwood to reduce territorial disputes. A moderate flow mimics their natural habitat, while a soft substrate can help them feel secure and encourage natural foraging behaviors. Lighting should be moderate to highlight their colors without causing stress.

What Do Spotted Severums Eat?

These omnivores can adapt to varied diets but may compete for food, especially if kept with faster feeders. To promote health and vibrancy, include high-quality pellets, frozen foods, and occasional plant matter.

Spotted Severum Tank Mates

Best paired with similarly sized, semi-aggressive fish that can hold their own, such as larger tetras or peaceful cichlids. Avoid overly timid species that may become targets for harassment. When kept with other Severums, ensure ample space to minimize aggression and establish clear territories.

Are Spotted Severums Good for Beginners?

Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the space requirements of Spotted Severums, leading to stress and aggression. Another common error is neglecting water quality; inadequate filtration and maintenance can quickly lead to health issues.

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.