Rainbow Shark - Epalzeorhynchos frenatum

Rainbow Shark (Epalzeorhynchos frenatum) is a sleek and vibrant freshwater fish recognized for its dark body contrasted by bright red or orange fins. With its bold appearance and bottom-dwelling nature, it adds both color and personality to larger community aquariums.

Description:

Common Name: Rainbow Shark

Scientific Name: Epalzeorhynchos frenatum

Family: Cyprinidae

Size: 5–6 inches

Temperament: Semi-aggressive

Difficulty: Moderate

Native Region:

Southeast Asia (Mekong and Chao Phraya river basins)

Aquarium Setup:

Tank Size: Minimum 40 gallons

Temperature: 72–79°F

pH: 6.5–7.5

Hardness: Moderate

Decor: Caves, smooth rocks, and open swimming areas with subdued lighting

Additional Tips:

• Territorial: Best kept singly or with robust mid-to-top dwelling tankmates

• Tankmates: Avoid other bottom dwellers or similarly shaped fish

• Diet: Omnivorous – algae wafers, flakes, frozen foods, and vegetables

• Behavior: Active and territorial, especially as it matures