Crystal Red Tetra Care Guide
Hyphessobrycon haraldschultzi · Freshwater Fish

What Crystal Red Tetra look like
The Crystal Red Tetra (Hyphessobrycon haraldschultzi) exhibits a diminutive, laterally compressed body, typically reaching a maximum adult size of approximately 1.5 inches (3.8 cm). Its most striking feature is its translucent, crystalline body, which is suffused with vibrant red-pink hues, particularly concentrated around the core of the body, creating an ethereal, glowing appearance reminiscent of a ruby. The fins are delicate and transparent, with the dorsal fin exhibiting a slight elongation, while the caudal fin is forked and elegantly shaped. Sexual dimorphism is subtle; females tend to be slightly rounder and fuller-bodied, especially when gravid, while males are more streamlined. As a defensive adaptation, the species possesses a well-developed lateral line system, aiding in the detection of water movements, which is crucial for evading predators in its natural habitat. The overall morphology is indicative of a species well-adapted to its environment, with a fusiform shape that allows for agile maneuverability in densely vegetated waters.
Behavior & temperament
The Crystal Red Tetra is a social fish, typically found in small to medium-sized schools, which enhances its safety from predators. It predominantly inhabits the mid to upper levels of the water column, exhibiting a pelagic lifestyle. This species is known for its peaceful temperament, making it an excellent community fish, though it may display some mild territoriality during breeding. Breeding behavior is characterized by egg scattering, where females release eggs among aquatic vegetation, and males fertilize them externally. The species thrives in a well-structured environment with plenty of cover, which promotes natural behaviors such as foraging and social interaction.
Diet & feeding
In the wild, the Crystal Red Tetra is an omnivore, feeding on a varied diet that includes small invertebrates, plant matter, and detritus. In captivity, it requires a balanced diet consisting of high-quality flake food, supplemented with live or frozen foods such as brine shrimp and daphnia, as well as vegetable matter to maintain optimal health.
Behind the name
Hyphessobrycon (from Greek 'hyphessos' meaning 'under' and 'brycon' meaning 'a type of fish'); haraldschultzi (named in honor of the German aquarist Harald Schultze).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Crystal Red Tetra?
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