Silvery Black Tailed Tetra Care Guide
Hemiodus immaculatus · Freshwater Fish
What Silvery Black Tailed Tetra look like
The Silvery Black Tailed Tetra (Hemiodus immaculatus) exhibits a medium-sized, fusiform body that typically reaches a maximum adult size of 5-6 inches (12-15 cm). Its streamlined, laterally compressed form is characterized by a bright silver body that reflects light effectively, providing camouflage among the aquatic vegetation of its Amazonian habitat. A distinctive feature is its black-marked caudal fin, which contrasts sharply with the silvery body, aiding in species identification. The species lacks pronounced sexual dimorphism, though males may exhibit slightly more vibrant coloration during breeding. Defensive adaptations include a schooling behavior that enhances safety in numbers, while the presence of a well-developed lateral line system allows for detection of water movements and potential predators. The dorsal fin is moderately high and elongated, contributing to its agile swimming capabilities.
Behavior & temperament
Hemiodus immaculatus is a highly social species, typically found in large, cohesive schools within the mid to upper water column of its natural habitat. This schooling behavior not only provides protection from predators but also facilitates foraging efficiency. The species exhibits a peaceful temperament, making it suitable for community tanks, though it can display mild territoriality during breeding periods. Breeding behavior involves egg scattering, where females release eggs into the water column, allowing fertilization to occur externally. The species thrives in well-planted environments that mimic its natural habitat, and it is known to be relatively active, often engaging in playful interactions with conspecifics.
Diet & feeding
In the wild, Hemiodus immaculatus is an omnivorous feeder, consuming 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 ensure optimal health.
Behind the name
Hemiodus (half-tooth); immaculatus (spotless or unblemished).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Silvery Black Tailed Tetra?
AquaLens identifies your fish and plants from a photo, tracks water chemistry, and flags health issues early — free on iOS and Android.
