Green Dwarf Distichodus - Distichodus teugelsi Fish Profile & Care Guide
Introduction
The Green Dwarf Distichodus (Distichodus teugelsi) is not just a visually stunning freshwater fish species endemic to the rivers of West Africa. It is a species of great ecological importance, named in honour of the ichthyologist Guy Teugels. With its sturdy build, eye-catching colouration, and omnivorous feeding habits, Distichodus teugelsi plays a vital role in maintaining ecological equilibrium, aiding in nutrient recycling and the dynamics of the food web. Its presence in the ecosystem is crucial, making it a species worth studying and appreciating.
Unlike many other Distichodus species, the Green Dwarf Distichodus is known for its peaceful nature. It thrives best in groups of five or more, and while minor conflicts may arise, serious aggression is rare. This makes it a great addition to community aquariums, especially when paired with other non-aggressive species like Alestids and small to medium-sized Cichlids.
Due to their propensity to consume soft plants, it is inadvisable to house Green Dwarf Distichodus in aquariums where delicate plant species are integral to the decor. More robust plant species, such as Anubias, Bolbitis, and Java Fern, are generally not targeted by these fish. Aquarium setups that include rocks, wood, sand, and gravel, along with some water current and sheltered areas, are optimal. Regular water changes are essential to maintain health, particularly as high nitrate levels can lead to fungal infections of the eyes and skin. Covering the aquarium securely is crucial, as these fish are proficient jumpers.
The Green Dwarf Distichodus is a captivating sight, with its dark body adorned with brilliant gold scales. When agitated or excited, it displays a deep blue-green iridescence. Its unique colour pattern features a light greenish band that splits the flanks into a darker greenish upper and lower section. A prominent dark blotch at the base of the caudal fin and the front base of the dorsal fin is accompanied by a small red marking underneath, adding to its allure.
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Photos
Sexual Dimorphism
Distinguishing between male and female Green Dwarf Distichodus can be challenging. Usually, males are smaller in size compared to females, who generally exhibit a more pronounced abdominal girth.
Quick Facts
| Scientific Name | Distichodus teugelsi |
|---|---|
| Year Described | 2008 |
| Other Names | Green High-backed Tetra distichodus teugelsi |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Characiformes |
| Family | Distichodontidae |
| Genus | Distichodus |
| Origins | Democratic Republic of the Congo |
| Approx Max Size | 7 cm |
| Temperament | Peaceful |
| Aquarium Level | Middle |
| Difficulty | Intermediate |
| Shoaling | NA |
| Best kept as | Groups 5+ |
| Diet & Feeding | Omnivore |
| Reproduction | Egg-Scatterer |
| Average Lifespan | Up to 10 Years |
Water Parameters
| Water Type | Freshwater |
|---|---|
| pH | 4.0 - 5.0 |
| GH | 5 - 15 |
| TDS | 50 - 200 |
| ℉ | 75 - 82 |
|---|---|
| ℃ | 24 - 28 |
Natural Habitat
The Green Dwarf Distichodus is native to specific riverine ecosystems in Central Africa, particularly the Léfini and Alima Basins in the Republic of Congo and the central course of the Congo River in the Democratic Republic of the Congo. This species occupies diverse aquatic habitats ranging from riparian or seasonally flooded forests to both shallow and deeper water zones. The water in these environments is typically acidic, a condition attributed to the presence of humic acids resulting from the deterioration of organic matter within the forested areas.
Breeding
Successful breeding of the Green Dwarf Distichodus in captivity has not been documented, and currently, there is no established methodology available for breeding these fish in aquarium settings.
Diet & Feeding
The Green Dwarf Distichodus exhibits omnivorous feeding habits that are crucial for maintaining ecological balance within their environments. In the wild, their diet includes various food sources such as detritus, soft aquatic plants, small invertebrates, crustaceans, and algae deposits. They effectively consume multiple types of algae, including filamentous algae, helping to control algae growth in their habitats. To preserve their health and vitality in captivity, mimicking this natural dietary diversity is important. A balanced diet for this species should include vegetable-based foods, spirulina, blanched vegetables, and protein sources like occasional live or frozen foods, such as brine shrimp or bloodworms, supporting their nutritional needs and encouraging natural foraging behaviours.
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Published: 14 Jun 2024
Last Updated: 14 Jun 2024