Gunther's "Sun" Catfish - Horabagrus brachysoma

Gunther’s “Sun” Catfish (Horabagrus brachysoma) is a striking, semi-aggressive catfish known for its deep yellow to golden body contrasted with a bold black lateral stripe. Sometimes called the Sun Catfish or Golden Red Tail Catfish, this robust species is a standout in larger aquariums and adds character with its bold swimming and reclusive habits.

Description:

Common Name: Gunther’s Sun Catfish

Scientific Name: Horabagrus brachysoma

Family: Horabagridae

Size: 12–18 inches (30–45 cm)

Temperament: Semi-aggressive; territorial with smaller tankmates

Difficulty: Moderate

Native Region:

Found in rivers, lakes, and backwaters in southern India, particularly the Western Ghats.

Aquarium Setup:

Tank Size: Minimum of 125 gallons

Temperature: 72–82°F (22–28°C)

pH: 6.5–7.5

Hardness: Soft to moderately hard

Substrate: Sand or fine gravel with driftwood, large rocks, and dim lighting to mimic natural hiding spots.

Additional Tips:

• Social Behavior: Mostly nocturnal and reclusive during the day; can be predatory toward smaller fish

• Compatibility: Best kept with other large, robust fish such as larger cichlids or peaceful catfish species

• Diet: Carnivorous—feed a variety of meaty foods such as shrimp, worms, and sinking carnivore pellets