Vieja Hartweiji 8cm

Vieja Hartweiji (Paratheraps hartwegi) is a powerful Central American cichlid with bold markings, strong personality, and fascinating social behaviour. It is a serious large-fish commitment that needs a spacious aquarium, robust filtration, and carefully selected tankmates.

Care Guide

• Tank Size: Minimum 400L for one adult; substantially larger for a pair or community
• Water Parameters: pH 7.0–8.0 | Temp 24–28°C | Neutral to moderately hard freshwater
• Diet: Omnivore; quality cichlid pellets, prawns, earthworms, frozen foods, and some vegetable matter
• Temperament: Territorial and potentially aggressive, especially when spawning
• Tank Setup: Large open swimming area, rockwork, caves, smooth heavy décor, and powerful filtration; avoid fragile plants
• Skill Level: Advanced
• Max Size: Approximately 25–30cm