Bleeding Blue Tetra Care Guide
Hyphessobrycon margitae · Freshwater Fish
What Bleeding Blue Tetra look like
Hyphessobrycon margitae, commonly known as the Bleeding Blue Tetra, exhibits a laterally compressed, fusiform body shape that reaches a maximum adult size of approximately 2 inches (5 cm). This species is characterized by its striking iridescent blue coloration, which is accentuated by vivid red markings that appear to 'bleed' onto the lower body and fins, creating a visually dynamic two-tone effect. The dorsal fin is typically elongated and pointed, while the anal fin is rounded, contributing to its streamlined appearance. Sexual dimorphism is subtle, with females generally being slightly larger and more robust than males. Defensive adaptations include a schooling behavior that provides safety in numbers, as well as the ability to quickly dart into cover when threatened. Unique morphological features include a well-defined lateral line system, which aids in detecting movement and vibrations in the water, and a small mouth equipped with sharp, conical teeth, suitable for grasping small food items.
Behavior & temperament
The Bleeding Blue Tetra is a social species that thrives in groups, exhibiting a strong tendency to form schools in the mid to upper water column of their aquatic environment. They are primarily pelagic, often seen swimming actively among plants and driftwood in their natural habitat. Breeding behavior is characterized by egg scattering, where females release eggs in open water, allowing them to be fertilized by males. This species is generally peaceful and exhibits low to moderate aggression levels, making them suitable for community tanks. They display a curious temperament, often exploring their surroundings and interacting with tank mates, but can become skittish if kept in insufficient numbers.
Diet & feeding
In the wild, the Bleeding Blue Tetra is an omnivorous feeder, consuming a diet rich in small invertebrates, plant matter, and detritus. In captivity, they thrive on a varied diet that includes high-quality flake food, micro-pellets, and occasional live or frozen foods such as brine shrimp and daphnia to ensure optimal health and coloration.
Behind the name
Hyphessobrycon (from Greek 'hyphessos' meaning 'under' and 'brycon' meaning 'a type of fish'); margitae (named in honor of a person or specific reference, often related to its discoverer or a characteristic).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Bleeding Blue Tetra?
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