Blackberry Silver Dollar - Myloplus schomburgkii "blackberry" Fish Profile & Care Guide
Introduction
The Blackberry Silver Dollar (Myloplus schomburgkii), a selectively bred variation of the Black Barred Silver Dollar, originates from breeding programs in Asia and remains a relatively rare discovery within the United States. This distinct tropical freshwater fish species exhibits an array of unique characteristics and behaviours, making it an alluring and highly sought-after addition for aquarists and enthusiasts.
Maintaining a minimum population of six individuals is essential due to the Blackberry Silver Dollars' pronounced inclination for tightly shoaling behaviour, often accompanied by the establishment of a hierarchical social structure. Augmenting their numbers not only enhances their sense of security but also contributes to the creation of a more natural and visually appealing shoal. Prudent consideration must be given to cohabitation, as it is paramount to avoid housing these inherently skittish fish with smaller, potentially prey-sized, or aggressive species. Instead, they harmoniously coexist with larger Suckermouth Catfish, Doradids, or Jumbo Brochis species. Meeting these comprehensive requirements results in the captivating sight of a substantial shoal of mature Blackberry Silver Dollars.
The care of juvenile Blackberry Silver Dollars demands an aquarium of at least four feet in length to accommodate their rapid growth. As these agile swimmers mature, a more extensive tank, measuring at least six feet in length, two feet in width, and two feet in depth or larger, becomes imperative. The strategic placement of the aquarium is equally critical, necessitating a tranquil location free from excessive foot traffic to minimize disruptions. To cater to their timid nature, the aquarium environment should feature numerous shaded hiding spots and a securely fitted lid to prevent inadvertent leaps. Prudent selection of aquarium decor is vital to mitigate potential injuries when the fish seek refuge. During routine aquarium maintenance, meticulous care is essential to prevent undue stress on the fish.
Blackberry Silver Dollars primarily adopt a herbivorous diet, facilitated by their formidable dentition capable of inflicting painful bites. While most plant species succumb to their voracious appetite, hardier varieties such as Java Fern or Anubias may occasionally thrive. Alternatively, the utilization of artificial plants, either plastic or silk, represents a viable option. Maintenance should prioritize subdued lighting, efficient filtration, and sufficient oxygenation, aligning with their natural habitat within densely vegetated tropical rivers characterized by notable currents. Exceptional water quality maintenance is of utmost importance, as these fish exhibit sensitivity to elevated nitrate levels.
Distinguished by their striking silver bodies accentuated by a prominent blueish-black blotch enveloping a significant portion of their form, complemented by vivid deep red fins, Blackberry Silver Dollars are truly captivating specimens within the world of ornamental fishkeeping.
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Sexual Dimorphism
Discerning between mature male and female Blackberry Silver Dollars is a straightforward process. Male individuals manifest clear-cut features such as the emergence of a bilobed anal fin and the extension of dorsal fin rays. Additionally, their colouration intensifies noticeably during breeding conditions. In contrast, females can be identified by a relatively more rounded abdominal region, exhibiting a generally sturdier physique than their male counterparts. This characteristic becomes particularly pronounced during their breeding phase.
Quick Facts
| Scientific Name | Myloplus schomburgkii "blackberry" |
|---|---|
| Other Names | Blueberry Silver Dollar |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Characiformes |
| Family | Serrasalmidae |
| Genus | Myloplus |
| Origins | |
| Approx Max Size | 40 cm |
| Temperament | Peaceful |
| Aquarium Level | Middle - Top |
| Difficulty | Intermediate |
| Shoaling | Yes |
| Best kept as | Groups 6+ |
| Diet & Feeding | Omnivore |
| Reproduction | Egg-Scatterer |
| Average Lifespan | Up to 10 Years |
Water Parameters
| Water Type | Freshwater |
|---|---|
| pH | 5.0 - 7.0 |
| GH | 4 - 12 |
| ℉ | 73 - 81 |
|---|---|
| ℃ | 23 - 27 |
Natural Habitat
Blackberry Silver Dollars are a product of selective breeding and, therefore, lack a natural habitat. However, their progenitors, the Black Barred Silver Dollars, naturally inhabit the middle and lower reaches of the Amazon River Basin, the Nanay River, and the upper Orinoco River Basin. This native range spans across Brazil, Peru, Venezuela, and potentially Suriname. In their indigenous milieu, these fish are primarily found in small tributaries distinguished by lush and densely populated aquatic vegetation.
Breeding
Currently, there are no recorded instances of successful captive breeding of Blackberry Silver Dollars within an aquarium environment.
Diet & Feeding
Ensuring the optimal nutrition of Blackberry Silver Dollars necessitates the inclusion of a substantial portion of vegetable matter in their dietary regimen. This should encompass a diverse array of options, including courgette, cucumber, peas, spring greens, and various leafy green vegetables. Moreover, it is prudent to integrate commercial food items like algae wafers, spirulina, and vegetable-based flakes into their diet to achieve a comprehensive and well-balanced nutritional profile. Blackberry Silver Dollars demonstrate dietary versatility, readily accepting a wide range of aquarium foods and occasionally indulging in delectable treats such as bloodworms and brine shrimp, thereby enhancing their dietary diversity.
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Published: 10 Oct 2023
Last Updated: 10 Oct 2023