Serpae Tetra Care Guide
Hyphessobrycon eques · Freshwater Fish

What Serpae Tetra look like
The Serpae Tetra (Hyphessobrycon eques) exhibits a laterally compressed and fusiform body shape, typically reaching a maximum adult size of approximately 5 cm (2 inches) in length. This species displays sexual dimorphism, with males generally being more slender and vibrant in coloration compared to the slightly larger, rounder females. The body is adorned with a striking reddish-orange hue, complemented by a distinctive black spot located at the base of the adipose fin, which serves as a unique morphological feature. The dorsal fin is triangular and set far back on the body, while the anal fin is elongated and pointed. The presence of a lateral line is evident, aiding in the detection of water movements. Defensive adaptations include a schooling behavior that provides safety in numbers, as well as the ability to quickly dart away from potential threats.
Behavior & temperament
Serpae Tetras are known for their social and schooling behavior, often found in groups of six or more individuals in their natural habitat. They inhabit the mid to upper water column of slow-moving streams and flooded forests in the Amazon basin. This species exhibits a peaceful temperament but can display mild aggression, particularly during breeding or when establishing a hierarchy within the group. Breeding behavior involves egg scattering, where females release eggs in open water, allowing them to be fertilized by males. The species is generally active and inquisitive, often exploring their environment and interacting with tank mates.
Diet & feeding
In the wild, Serpae Tetras are omnivorous, feeding on a varied diet that includes small invertebrates, plant matter, and detritus. In captivity, they thrive on high-quality flake foods, supplemented with live or frozen foods such as brine shrimp and daphnia to ensure a balanced diet.
Behind the name
Hyphessobrycon (from Greek 'hyphē' meaning 'web' and 'sōbrycon' meaning 'to swim') eques (Latin for 'horseman' or 'cavalryman', possibly referring to the species' active swimming behavior).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Serpae Tetra?
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