Rainbow Shark

🔥 Rainbow Shark (Epalzeorhynchos frenatum)
Add bold colour and energetic personality to your aquarium with the striking Rainbow Shark. Epalzeorhynchos frenatum Recognised for its deep black body and vivid red-orange fins, this active bottom-dwelling species creates a dramatic contrast in larger community aquariums. Territorial, fast-moving, and full of character, Rainbow Sharks are ideal for aquarists wanting a standout fish with strong presence and constant activity.

Despite the name, Rainbow Sharks are not true sharks, but their sleek body shape and confident swimming behaviour give them a shark-like appearance in the aquarium.

🌿 Why Choose Rainbow Shark?
🎨 Jet-black body with vibrant red-orange fins
🐠 Active and highly engaging bottom-dwelling species
🌿 Excellent centrepiece fish for larger community tanks
⭐ Strong personality with bold territorial behaviour
🪨 Constantly explores caves, rocks, and décor

In a spacious, well-structured aquarium, Rainbow Sharks patrol the lower levels and territories with confident, energetic movement.

📏 Care Requirements
🧬 Scientific Name: Epalzeorhynchos frenatum
📛 Common Name: Rainbow Shark
🏠 Tank Size: 200L+ recommended
📏 Adult Size: ~15 cm
🌡️ Temperature: 22–28°C
⚗️ pH Range: 6.5–7.5
🧘 Temperament: Semi-aggressive / territorial
🍽️ Diet: Omnivore – pellets, algae wafers, vegetables, frozen foods
👥 Group Size: Best kept singly

Rainbow Sharks thrive in larger aquariums with caves, driftwood, and defined territories, along with strong filtration and open swimming space.

🐠 Compatibility
Suitable for semi-aggressive community aquariums with robust species such as larger barbs, rainbowfish, gouramis, and certain cichlids. Avoid keeping with similar-shaped bottom dwellers or other Rainbow Sharks unless the aquarium is exceptionally large.

⚠️ Important Notes
Rainbow Sharks become increasingly territorial as they mature and may chase weaker tank mates, especially those occupying the lower levels. Providing multiple hiding spots and visual barriers helps reduce aggression.

A brilliant choice for UK aquarists looking for a colourful, active showcase fish with bold personality and striking contrast.