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Asian bumblebee catfish

Asian bumblebee catfish

Pseudomystus siamensis

Bagridae
Moderate

Parameter dashboard

Temperature

22-26 °C

pH

6-7.5

Size

18 cm

Min tank120 L
Price$$$
DietCarnivore
TemperamentSemi-aggressive
Social behaviourSolitary
Recommended group1 fish
OriginSoutheast Asia
Shrimp-safeNo

Care guide

The Asian bumblebee catfish is a small, stocky catfish from the lower Mekong and Chao Phraya basins of Southeast Asia, named for the bands of black and pale yellow that wrap around its body. It stays manageable at roughly 15 to 18 cm and is a hardy, genuinely long-lived fish, but it is far more of a predator than its cute markings suggest. It spends the daylight hours hidden in caves, wood or dense planting and comes out to hunt after dark.

This hunting instinct shapes everything about stocking it. A bumblebee catfish will eat any tankmate small enough to fit in its mouth, so small fish, fry and shrimp are simply prey. It is best kept with robust, mid-water or surface species too large to swallow, like bigger barbs, characins and peaceful cichlids. It is also territorial toward other bottom-dwellers, especially its own kind, so a single specimen with plenty of caves and broken sight lines is the easiest way to keep the peace.

In terms of water it is undemanding, doing well in soft, slightly acidic conditions around 22 to 26°C with a pH up to about 7.5. The main thing it needs is structure: dim lighting and several secure hiding places so it feels safe enough to be active. Feed meaty sinking foods such as frozen prawn, mussel, earthworm or sinking pellets in the evening when it is naturally looking for food, and it will settle in as a long-term resident.

Sources

Further reading on identification and aquarium care.

Tankmate compatibility (sample)

Pairwise screening against other species in the database (prioritizing the same family when data is available).

Review first (10)

Caution or avoid from automated rules — confirm before mixing.

SpeciesNotes
Blue Belly Goby

Stiphodon percnopterygionus

Caution

Fish 2x+ larger may eat smaller tankmates

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Congo tetra

Phenacogrammus interruptus

Caution

Fish 2x+ larger may eat smaller tankmates

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Dwarf rainbowfish

Melanotaenia praecox

Caution

Fish 2x+ larger may eat smaller tankmates

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Fasciatus Shell Dweller

Altolamprologus fasciatus

Caution

Species with non-overlapping pH ranges may not thrive together

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Jewel tetra

Hyphessobrycon eques

Caution

Fish 2x+ larger may eat smaller tankmates

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Malawi eyebiter

Dimidiochromis compressiceps

Caution

Species with non-overlapping pH ranges may not thrive together

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Molly

Poecilia sphenops

Caution

Fish 2x+ larger may eat smaller tankmates · Species with non-overlapping pH ranges may not thrive together

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Small snakehead

Channa asiatica

Caution

one is boisterous and the other a much smaller peaceful fish sharing the same floor, where it can be intimidated and outcompeted at feeding time

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Vampire Pleco

Leporacanthicus galaxias

Caution

one is boisterous and the other a much smaller peaceful fish sharing the same floor, where it can be intimidated and outcompeted at feeding time

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White cloud mountain minnow

Tanichthys albonubes

Avoid

Fish 2x+ larger may eat smaller tankmates · Species with non-overlapping temperature ranges cannot coexist · the two share only a narrow band of temperature, so one of them sits at the edge of its range

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2 species with compatible assessment in this sampleCollapse to hide the list; use “Open pair in Compare” for the full matrix.
SpeciesNotes
Jewelfish

Hemichromis bimaculatus

Compatible

No rule-based conflicts detected for this pair.

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Striped panchax

Aplocheilus lineatus

Compatible

No rule-based conflicts detected for this pair.

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Same rule engine as Compare. Not a substitute for observation, tank size, or acclimation.

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