Description
Rainbow Shark (Epalzeorhynchos frenatum) – Active & Colorful Freshwater Algae Eater | Fish R Us
Looking to add a bold personality and brilliant splash of color to your setup? The Rainbow Shark is a classic favorite among freshwater hobbyists for a reason!
Despite their name, Rainbow Sharks aren’t actually sharks at all—they are vibrant members of the carp family. Featuring a sleek, charcoal-to-black body contrasted by fiery red or orange fins, these fish are absolute head-turners as they patrol the bottom and middle levels of your tank.
Approximate size: 2.5+”
Why You’ll Love The Rainbow Shark:
Eye-Catching Contrast: Deep dark body paired with vivid red fins makes them a standout centerpiece.
Natural Scavenger: Constantly grazes on leftover food and helps clean up soft algae along decorations and substrate.
Active Swimmer: Keeps your tank lively with energetic, territorial patrols.
Care & Tank Requirements:
Care Level: Easy to Moderate
Temperament: Semi-Aggressive / Territorial (Best kept as the only shark in the tank)
Minimum Tank Size: 29–55+ gallons (They love swim space and plenty of hiding spots)
Water Parameters: Temperature 75°F–81°F | pH 6.5–7.5
Ideal Tankmates: Durable, fast-moving mid-to-top water fish like Barbs, Gouramis, Danios, and larger Tetras. Avoid other bottom-dwellers or slow, long-finned species.
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