Pseudomystus Sp. Cf Stenomus

Datasheet

General DescriptionThe False Asian Bumblebee Catfish, scientifically known as Pseudomystus Sp. Cf Stenomus, though often imported as Pseudomystus stenomus, originates from the Malay Peninsula. This species is commonly mistaken for the Asian bumblebee catfish, P. siamensis, due to its distinct striped "bumblebee" pattern. Belonging to the Bagridae family, it displays a maximum size of 15.0cm.

Aquarium SetupFor this shy, nocturnal species, a dimly lit tank environment is recommended. To mimic its natural habitat, provide ample hiding spots like flowerpots, plastic piping, and driftwood. While plants are not obligatory, they can help reduce light exposure and offer additional shelter. When housed with similar-sized catfish or in a group, arranging the tank decor to establish separate territories is prudent. Ensure the heater is positioned safely to prevent burns to this scaleless fish. The water should be well-oxygenated and exhibit some water flow, mirroring its native conditions (see table for specific water parameters).

BehaviourThe False Asian Bumblebee Catfish is known to consume tankmates smaller in size but can coexist with larger species in separate tank zones. It tends to be territorial, particularly towards conspecifics and other bottom-dwelling fish. Properly sized tanks with hiding places and limited lines of sight are essential when partnering with similar species.

Feeding and DietPrimarily predatory, this species readily adapts to consuming dead foods in captivity. It has a preference for meaty items such as prawns, mussels, and earthworms, alongside dried sinking foods. Care should be taken to avoid feeding mammal meats like beef heart or poultry, as these can lead to health complications. Additionally, using feeder fish poses the risk of disease transmission.

Reproduction & DimorphismReproduction details of the False Asian Bumblebee Catfish remain unreported in the hobby. In nature, spawning typically occurs at the beginning of the wet season. Sexual dimorphism is observable, with females generally displaying a robust build compared to males, who possess a noticeable elongated genital papilla.

Habitat and DistributionThese catfish are commonly found in fast-flowing streams with sandy bottoms in South-eastern Thailand and peninsular Malaysia. They seek refuge among submerged tree roots and rocks during the day, actively foraging at night within their natural habitat.