Broadstripe Shiner - Pteronotropis euryzonus Fish Profile & Care Guide
Introduction
The Broadstripe Shiner (Pteronotropis euryzonus) is a freshwater fish species from the Cyprinidae family. Endemic to the USA, these fish are notable for their striking colouration, making them a visually distinctive species. Due to its limited range, the Broadstripe Shiner plays a significant role in the local ecosystems where it is found.
Broadstripe Shiners are peaceful, social fish that thrive in groups of six or more. In their natural habitats, they are often observed schooling in the middle of the water column, frequently forming groups of a dozen or more.. When selecting tankmates, it is important to consider species inhabiting different aquarium areas. Bottom-dwelling fish, such as torpedo-shaped loaches like Schistura, Nemacheilus, and Mesonoemacheilus, make excellent companions for Shiners, as they occupy the lower regions of the tank.
Other suitable tankmates include sub-tropical loaches, such as botiid loaches and Weather Loaches, provided the tank is large enough to accommodate their bottom-dwelling behaviours. Gobies are also compatible, sharing a similar temperament to the Shiners. While generally peaceful, Broadstripe Shiners may not interact well with long-finned species, making it best to avoid these to maintain harmony in the aquarium.
Broadstripe Shiners are adaptable to a wide range of water conditions, but they thrive in well-established tanks with good filtration and water circulation. Creating hiding spots with rocks, bogwood, and hardy plants helps them feel secure. Powerheads are also recommended to improve water flow, especially in warmer aquariums where increased oxygenation is crucial for their health.
Male Broadstripe Shiners are distinguished by a prominent dark lateral band that runs from the snout's tip to the caudal fin's base. This band is bluish-grey in hue, bordered above by a narrow, vivid orange stripe. The lips and chin are notably dark, further enhancing the contrast of their distinctive markings. The front portion of the dorsal fin is bright yellow-green, adding a striking touch to its appearance, while the ventral side and lower flanks are pale in colour. The vibrant orange caudal fins contribute to the vivid display typical of males, especially during the breeding season.
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Sexual Dimorphism
Distinguishing between male and female Broadstripe Shiners is relatively simple. Males are generally slimmer and display more vibrant colours than females. Both sexes develop small, bumpy tubercles on their heads and bodies during the breeding season, though the males' appearance becomes particularly striking during this time.
Quick Facts
| Scientific Name | Pteronotropis euryzonus |
|---|---|
| Year Described | 1955 |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Cypriniformes |
| Family | Cyprinidae |
| Genus | Pteronotropis |
| 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 Broadstripe Shiner is endemic to the Chattahoochee River drainage in Georgia and Alabama, United States. It inhabits temperate, benthopelagic environments, thriving in the deeper bottom layers of water bodies. These fish are typically found in clay, sand, and bedrock pools of headwaters, creeks, and smaller rivers. Their habitats are characterised by slow-moving or still waters, where they are often associated with submerged vegetation. This aquatic vegetation offers shelter and feeding opportunities, making it a key feature of the Broadstripe Shiner's natural environment.
Breeding
In their natural environment, Broadstripe Shiners spawn between late spring and early summer. By the age of 12 months, they reach sexual maturity, increasing their food intake during late winter and spring to prepare for gamete production and reproduction. Breeding them in in-home aquariums is relatively straightforward, with a slight rise in water temperature often triggering the spawning process.
During the breeding season, males transform colours dramatically, displaying vibrant hues. They become highly territorial, building nests on the substrate or available rocks and aggressively defending these areas. It is important to note that both parents may prey on the eggs, so transferring the eggs to a separate tank is recommended once spawning is complete.
The eggs generally hatch within a week, and the fry becomes free-swimming approximately one week later. At this stage, they should be fed infusoria or other microscopic foods until they are large enough to eat crushed flake food and baby brine shrimp.
Diet & Feeding
In the wild, Broadstripe Shiners feed on drifting small aquatic organisms and plant matter carried by the current. They are not particularly picky in an aquarium setting and will readily consume various high-quality dried foods, including flakes and micro granules. To ensure their diet closely resembles their natural feeding habits, it is valuable to supplement their diet with occasional offerings of frozen or live foods such as daphnia, mosquito larvae, and vitamin-enriched brine shrimp. These additional feedings help replicate their natural diet and promote optimal health and vibrant colouration.
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Published: 04 Oct 2024
Last Updated: 05 Oct 2024