Prionobrama Filigera

Datasheet

General Description

Originating from various sections of the Amazon drainage in South America, the Glass Bloodfin Tetra (Prionobrama Filigera) belongs to the Characidae family. With a maximum size of 6.0cm, this species is closely related to P. paraguayensis but lacks the red pigmentation in the caudal fin. It is distinguishable from Aphyocharax anisitsi by its elongate body shape and absence of red pigmentation in the anal and ventral fins. The species is relatively unfussy in terms of water chemistry, food, and tank mates, making it a suitable choice for aquarists, particularly beginners.

Aquarium Setup

As an active, pelagic species, Glass Bloodfin Tetras prefer the upper water layers. In an aquarium setup, they thrive in groups in a well-planted tank with floating plants providing cover. Adding driftwood twigs and leaf litter enhances the natural appearance of the setting. The species adapts well to a pH range of 6.0-7.5 and tolerates slightly alkaline or acidic conditions. A tank size of at least 70 liters is recommended, with open spaces for swimming.

Behaviour

Glass Bloodfin Tetras are generally peaceful and can coexist with various species that share their water conditions. When kept in groups of 6-8 individuals, they exhibit minimal aggression, although males may engage in occasional squabbles. They are compatible with other South American species such as characins, Corydoras, Loricariid catfish, and Apistogramma. However, they do not fare well with larger, fast-swimming tank mates that compete for space and food.

Feeding and Diet

These tetras are primarily surface feeders in the wild, consuming small invertebrates. In captivity, they eagerly consume live and frozen foods like Daphnia, bloodworms, and Cyclops. Additionally, they readily accept dried food options, benefitting from a varied diet to enhance coloration and overall health.

Reproduction & Dimorphism

Breeding Glass Bloodfin Tetras is relatively uncomplicated, requiring a separate breeding tank with appropriate conditions for egg deposition. Spawning can occur in groups or pairs, with conditioning the fish on live foods enhancing successful reproduction. Mature females show a fuller belly during spawning, while males display a dark stripe on the anal fin and slightly elongated dorsal and anal fins.

Habitat and Distribution

Sporadically recorded in various regions of the Amazon basin, including Ecuador, Colombia, Peru, Bolivia, and Brazil, Glass Bloodfin Tetras likely inhabit smaller streams, creeks, and tributaries as opposed to main river channels. Their adaptable nature allows them to thrive in diverse aquatic environments within the Amazon drainage.