Description

Northern Trout Gudgeon (Mogurnda mogurnda)
Overview
The Northern Trout Gudgeon is a robust, bottom-dwelling freshwater fish known for its attractive mottled coloration resembling small trout patterns. Slow-moving and peaceful, it is an excellent addition to community aquariums with sandy or soft substrates, providing interest at the lower levels of the tank.
Origin
Native to northern Australia and southern New Guinea, inhabiting rivers, creeks, and still or slow-moving waters with sandy or muddy bottoms and abundant cover.
Feeding
Carnivorous and adaptable. Accepts sinking pellets, frozen foods (bloodworms, brine shrimp, mysis), and small live foods. Requires a protein-rich diet to maintain health and coloration.
Tank Mates
Peaceful with similar-sized fish. Can be housed with rainbowfish, hardy tetras, cichlids, and other non-aggressive species. Avoid very small fish or invertebrates that may be considered prey.
Aggression
Generally peaceful. May defend a small territory on the substrate, but conflicts are minimal if sufficient space is provided.
Experience Level
Intermediate. Requires a well-maintained aquarium with clean water and ample hiding spaces.
Water Parameters

Temperature: 72°F – 82°F (22°C – 28°C)

pH: 6.8 – 8.0

Hardness: 5 – 18 dGH

Substrate: Prefers sand or fine gravel with rocks or driftwood for shelter

Calm, attractive, and hardy, the Northern Trout Gudgeon (Mogurnda mogurnda) is a rewarding bottom-dwelling species for community aquariums and freshwater biotope setups.