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Datasheet
| Maximum Size | 2.8cm / 1.10inches |
General Description
Hyphessobrycon Borealis, a member of the Characidae family, can be identified by its distinctive features, including its unique dental arrangement, large maxilla, and specific fin ray and scale counts. Described as part of the Hyphessobrycon heterorhabdus-group, it is characterized by a lack of a humeral spot and an oval caudal spot that does not extend fully onto the caudal peduncle.
Aquarium Setup
To house Hyphessobrycon Borealis successfully, an aquarium with appropriate dimensions and conditions is necessary. The setup should mirror the species' natural habitat, featuring shallow water with minimal current. Creating spaces for schooling behavior is crucial for their well-being. Optimal water parameters include a temperature range of 72-82°F, a pH level of 5.5-7.5, and soft to moderately hard water (see table).
Behaviour
Hyphessobrycon Borealis is known to exhibit a schooling behavior in the wild, preferring to stay in groups. The species tends to inhabit marginal zones of rivers, where the water is shallow and the current is minimal. This schooling behavior provides the fish with safety in numbers and is a fundamental aspect of their social structure.
Feeding and Diet
When kept in captivity, Hyphessobrycon Borealis is omnivorous, with a diet that should include a variety of foods. They readily accept high-quality flake foods, freeze-dried bloodworms, and small live or frozen invertebrates. Offering a diverse diet is essential to ensure the fish receive a balanced nutritional intake.
Reproduction & Dimorphism
Information on the specific reproductive behaviors and dimorphic characteristics of Hyphessobrycon Borealis is limited. As with many tetra species, they are likely to be egg scatterers, and males may exhibit more vibrant colors and elaborate fin extensions during the breeding season.
Habitat and Distribution
Hyphessobrycon Borealis is primarily found in French Guiana, inhabiting various river systems such as Oyapock/Oiapoque, Approuague, Kaw, Kourou, Sinnamary, Mana, and Maroni. The species thrives in habitats with shallow waters and forms large schools, emphasizing their preference for social behavior in their natural environment.
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