Humphead Glassfish Care Guide
Parambassis pulcinella · Freshwater Fish

What Humphead Glassfish look like
The Humphead Glassfish (Parambassis pulcinella) exhibits a strikingly transparent body, characteristic of the Ambassidae family, allowing for a clear view of its internal structures. This species can reach a maximum adult size of 15-25 cm, with the most notable morphological feature being its pronounced, bulbous hump located on the forehead, directly above the eye, which is a unique adaptation among glassfish. The body is laterally compressed and fusiform, aiding in hydrodynamics, while the dorsal and anal fins are elongated and delicate, enhancing its graceful swimming capabilities. The species also possesses a lateral line system, which aids in detecting water movements, and its dentition is adapted for a carnivorous diet, featuring small, sharp teeth suitable for grasping prey. Defensive adaptations include its transparent body, which provides camouflage in its natural habitat, and its ability to swiftly maneuver through the water column.
Behavior & temperament
Humphead Glassfish are primarily pelagic and exhibit a social structure that leans towards schooling behavior, often found in small to moderate groups in their native habitats. They are known for their active swimming and inquisitive nature, displaying a moderate level of aggression primarily during breeding periods. Breeding behavior involves egg scattering, where females release eggs into the water column, allowing for external fertilization. These fish thrive in well-structured environments, often utilizing both the mid-water and surface layers of the aquatic ecosystem, showcasing a dynamic interaction with their surroundings.
Diet & feeding
In the wild, Humphead Glassfish are carnivorous, preying on small invertebrates and zooplankton. In captivity, they require a diet rich in high-quality flakes, pellets, and live or frozen foods such as brine shrimp and bloodworms to meet their nutritional needs.
Behind the name
Parambassis (near glass); pulcinella (little chick, referring to its rounded shape).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Humphead Glassfish?
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