By Sheetal Kumari | October 10, 2025
Known as the “king of the aquarium,” the red discus shines with its round body and brilliant crimson hues.
Image: Canva
This fiery red beauty is admired for its flowing fins and fierce yet graceful temperament.
Image: Canva
A hybrid fish with a heart-shaped body and vibrant red-orange colour that brightens any aquarium.
Image: Canva
Small but striking, the firefish goby displays red and orange gradients that shimmer under the light.
Image: Canva
A peaceful freshwater favourite with a long, sword-like tail and bold red body.
Image: Canva
This small, schooling fish glows deep red when healthy, adding a lively touch to aquariums.
Image: Canva
Found in coral reefs, the flame angelfish flaunts dazzling red-orange stripes with a hint of blue.
Image: Canva
A well-known marine species, the red snapper’s brilliant hue and sleek body make it a standout in tropical waters.
Image: Canva
Symbolising luck and strength, red koi carp are prized for their radiant scales and serene beauty.
Image: Canva