Description
Liopropoma dejongi, commonly known as Dejong’s Basslet, is one of the most coveted and elusive deepwater basslets in the marine aquarium world. Revered for its velvety black body intersected by crisp white banding and accented by subtle electric-blue highlights under reef lighting, this species embodies understated luxury and rarity at the highest level. Its minimalist yet unmistakable appearance gives it a level of visual sophistication rarely achieved in marine fish.
Collected from deep reef environments in extremely limited numbers, Liopropoma dejongi is seldom encountered in the trade, and properly conditioned specimens are considered true centerpiece acquisitions for advanced collectors. Its rarity is amplified not only by collection difficulty, but by the delicate decompression and handling requirements necessary to bring healthy individuals to market successfully.
Unlike louder or more aggressive show fish, Dejong’s Basslet commands attention through restraint. Its hovering behavior, shadowy coloration, and clean geometric contrast create a presence that feels more curated than ornamental—an approach highly valued within elite collector systems.
Premium specimens are defined by sharp band separation, uninterrupted finnage, full body mass, and confident feeding response. Individuals that are fully acclimated and feeding aggressively are exceptionally desirable due to the species’ rarity and handling sensitivity.
Collector’s Note:
True Liopropoma dejongi specimens remain among the most exclusive basslets available in the marine aquarium trade. Their combination of deepwater origin, limited supply, and refined monochromatic contrast has secured their status as one of the definitive collector-grade basslets worldwide.
Lighting: Low to moderate; prefers subdued lighting conditions reflective of its deepwater habitat
Flow: Low to moderate; gentle flow supports natural hovering and cave-dwelling behavior
Placement: Lower to mid-level areas with abundant caves, ledges, and shaded rockwork
Temperature: 75–80°F (24–27°C)
Salinity: 1.0265 SG (35 PPT)
pH: 8.1–8.4
Alkalinity: 8–10 dKH
Diet: Carnivorous; requires small meaty foods such as mysis shrimp, enriched brine shrimp, and finely chopped seafood
Aggression: Peaceful; shy and non-aggressive toward tank mates
Adult Size: Up to 5 cm
Care Level: Advanced – requires stable conditions, careful acclimation, and low-competition feeding environments
Compatibility: Reef-safe; best maintained with peaceful tank mates that will not outcompete or intimidate it during feeding

