Rainbow Shiner (Notropis chrosomus)

Rainbow Shiner (Notropis chrosomus)

Quarantined temperate schooling fish for carefully planned freshwater aquariums in Canada.

The Rainbow Shiner is a stunning North American schooling fish famous for its iridescent blue, pink, and purple breeding colours. It is a high-impact display species for aquarists who can provide cooler, well-oxygenated water and strong group behaviour.

Why This Fish Stands Out

• Brilliant natural breeding colour in mature fish
• Active schooling fish with strong display movement
• Excellent specialty species for cooler planted or stream-style aquariums

Aquarium Setup & Behaviour

Provide a mature, well-oxygenated aquarium with good flow, open swimming room, and preferably cooler conditions than many tropical fish.

Best kept in a group. Males show best colour when mature, healthy, and kept socially.

Feeding

Feed quality small pellets, flakes, and frozen/live foods.

Natural Colour & Livestock Integrity

The intense colour is natural mature breeding/display colour, not hormone-enhanced. Topick Aquarium does not use hormones to artificially enhance colour.

Topick Aquarium Livestock Standard

All fish at Topick Aquarium are carefully quarantined and conditioned to our stable local tap water before sale. Some oddball and specialty species still have very specific long-term needs, so we recommend matching each fish to the right aquarium size, diet, tankmates, and maintenance routine before purchase.

Care Summary

• Scientific Name: Notropis chrosomus
• Adult Size: Approximately 6–8 cm
• Care Level: Intermediate
• Recommended Tank: Mature aquarium planned around this species' adult size, behaviour, diet, and tankmate compatibility

Frequently Asked Questions

Is Rainbow Shiner a tropical fish?
It is better treated as a cooler-water/temperate species rather than a warm tropical fish.

Why are Rainbow Shiners so colourful?
Mature fish, especially males, can develop intense natural breeding colours.

Should they be kept in groups?
Yes. They are schooling fish and look best in a group.

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