Redlip Shiner - Notropis chiliticus Fish Profile & Care Guide
Introduction
The Redlip Shiner (Notropis chiliticus) is a small freshwater fish native to North America. Redlip Shiners are schooling fish, often found in small groups mid-water, and they play a role in maintaining the ecological equilibrium of their native habitats by consuming small invertebrates and contributing to the aquatic food web. Though currently listed as of "Least Concern" by the IUCN due to its stable population, the Redlip Shiner's range is limited to specific river systems, and both environmental factors and human activity influence its population dynamics.
Redlip Shiners are a peaceful and social species, flourishing in groups of six or more individuals. In their natural environment, they are often seen schooling in the middle of the water column, sometimes in groups of a dozen or more. They are frequently found alongside Crescent Shiners and other minnows. When choosing tankmates, it's advisable to consider species that inhabit different tank regions. Torpedo-shaped loaches like Schistura, Nemacheilus, and Mesonoemacheilus are excellent choices for the bottom of the aquarium. Other compatible tankmates include sub-tropical Loaches like botiid Loaches or Weather Loaches, provided the aquarium is spacious enough to accommodate their bottom-dwelling habits. Gobies also make suitable companions for Redlip Shiners due to their similar temperament.
Though generally peaceful, Redlip Shiners may not cohabit well with long-finned species, so it is best to avoid them to ensure harmony. They are relatively adaptable to a wide range of water temperatures and conditions, but they thrive in well-established aquariums with ample filtration and water movement. Hiding spots created with rocks, bogwood, and hardy plants help them feel secure. Additionally, powerheads are recommended to boost water circulation, especially in warmer tanks, where increased oxygenation is necessary for their well-being.
In appearance, Redlip Shiners are slender, with bright red lips and similarly coloured fins. They feature a decurved lateral line with a golden band along its upper margin and a wider silver band along its flank, ending in a dark caudal spot. Their body is generally olive-coloured, adorned with small black blotches.
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Sexual Dimorphism
Distinguishing between male and female Redlip Shiners is relatively straightforward. Males are generally slimmer and exhibit more vibrant colouration compared to females. Both sexes develop small, bumpy tubercles during the breeding season on their heads and bodies, but males become particularly striking. Mature males display vivid scarlet-red hues on their eyes and underbelly while their heads and fins reflect bright yellow-gold. The red on their lips becomes more pronounced as well. Interestingly, females tend to have a longer lifespan than males, even though the males are more visually striking during breeding.
Quick Facts
| Scientific Name | Notropis chiliticus |
|---|---|
| Year Described | 1870 |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Cypriniformes |
| Family | Leuciscidae |
| Genus | Notropis |
| Origins | United States |
| Approx Max Size | 7 cm |
| Temperament | Peaceful |
| Aquarium Level | Middle - Top |
| Difficulty | Beginner - Intermediate |
| Shoaling | Yes |
| Best kept as | Groups 6+ |
| Diet & Feeding | Omnivore |
| Reproduction | Egg-Scatterer |
| Average Lifespan | Up to 5 Years |
Water Parameters
| Water Type | Freshwater |
|---|---|
| pH | 6.5 - 7.5 |
| GH | 2 - 10 |
| KH | 3 - 8 |
| ℉ | 54 -63 |
|---|---|
| ℃ | 12 - 17 |
Natural Habitat
The Redlip Shiner inhabits flowing rocky pools of clear headwaters, creeks, and small rivers in the Piedmont and Appalachian Mountains. It is believed to have been established in the New River drainage and Cape Fear drainage in North Carolina and Virginia. This shiner has a minimal distribution in South Carolina, the southernmost extreme portion of its range.
Breeding
In their natural habitat, Redlip Shiners spawn from late spring to early summer. By around 12 months, they reach sexual maturity and increase their food intake during late winter and spring to meet the energy demands of gamete production and reproduction. In home aquariums, these fish are relatively easy to breed, with a slight increase in water temperature often triggering the spawning process.
When males are in breeding condition, they undergo a dramatic colour change, displaying vibrant hues. Males build nests on the substrate or available rocks and become highly territorial, defending their nests aggressively. However, both parents may prey on the eggs, so transferring the eggs to a separate tank is recommended once spawning is complete.
The eggs will typically hatch within a week, and the fry becomes free-swimming after another week. At this stage, they can be fed infusoria until they are large enough to consume crushed flake food and baby brine shrimp.
Diet & Feeding
In the wild, Redlip Shiners are drift feeders, consuming small aquatic organisms and plant matter carried by the water current. In a home aquarium, they are not fussy eaters and will readily accept high-quality dried foods such as flakes and micro granules. They also benefit from occasional feedings of frozen or live foods like daphnia, mosquito larvae, and vitamin-enriched brine shrimp, which help to replicate their natural diet and ensure optimal health.?
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Published: 26 Sep 2024
Last Updated: 26 Sep 2024