Rainbow Trout Oncorhynchus Mykiss 15cm

Rainbow Trout (Oncorhynchus mykiss)

Overview

The Rainbow Trout is a fast-swimming, cold-water fish known for its sleek silver body and iridescent pink lateral stripe. Highly active and oxygen-loving, this species is best suited to large, well-filtered aquariums, ponds, or dedicated cold-water systems. It is not a typical community aquarium fish and requires specialised care.

Origin

North America
(Introduced worldwide for sport fishing and aquaculture)

Feeding

• Carnivorous

• Feeds on high-quality trout pellets, frozen foods, insects, and small aquatic invertebrates

• Requires frequent feeding when young, reducing as it matures

Tank Mates

• Best kept species-only or with other cold-water, fast-swimming fish

• Will eat smaller fish

• Not suitable for tropical or slow-moving species

Aggression

• Semi-aggressive

• Predatory toward smaller tank mates

• May show territorial behavior in confined spaces

Experience Level

Advanced
Requires excellent water quality, high oxygen levels, strong filtration, and cool temperatures

Water Parameters

• Temperature: 8‚Äì18 ¬∞C

• pH: 6.5‚Äì8.0

• Hardness: Soft to moderately hard

• Oxygen: Very high (strong flow and aeration essential)

Notes

• Requires large tanks or ponds with strong current

• Not suitable for warm or tropical aquariums

• Sensitive to poor water quality and elevated temperatures

A beautiful and powerful cold-water species ideal for experienced keepers with the correct environment and space.