Rainbow Shiner Hydrophlox Chrosomus 4cm

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Rainbow Shiner (Hydrophlox chrosomus)

Overview

The Rainbow Shiner is one of the most colourful freshwater minnows available, famous for its stunning iridescent blues, purples, and pinks—especially vibrant during breeding. Active, peaceful, and full of motion, it makes a spectacular addition to temperate community aquariums.

Origin

Native to the southeastern United States, typically found in clear, cool, fast-flowing streams and creeks with rocky or gravel bottoms.

Feeding

Omnivorous and easy to feed. Accepts flakes, small pellets, frozen foods (brine shrimp, daphnia), and live foods. Supplementing with high-quality colour-enhancing foods helps maintain peak coloration.

Tank Mates

Peaceful schooling fish. Best kept with other non-aggressive temperate species such as other shiners, danios, white cloud minnows, or small barbs. Avoid large or predatory fish.

Aggression

Very low aggression. Displays only mild chasing within its school. Keep in groups of 6+ for natural behaviour and colouration.

Experience Level

Suitable for beginners and intermediate keepers. Hardy and adaptable, though prefers well-oxygenated, clean water with steady flow.

Water Parameters

• Temperature: 55°F – 72°F (13°C – 22°C)

• pH: 6.5 – 8.0

• Hardness: 5 – 20 dGH

• Flow: Moderate to high

Vibrant, lively, and surprisingly hardy, the Rainbow Shiner is an eye-catching centrepiece for temperate freshwater aquariums.

Above images for illustration purposes only. Exact colours, patterns, and size may vary between individuals.

Please Note: The livestock that is sold on our online site is not held in store at our Swell shop, or available for collection from the shop. Species sold at our Swell store will differ from ones available to order to your door.

All livestock deliveries are subject to our full Delivery Terms & Conditions, please read before ordering.