Salween Rock Catfish Care Guide
Erethistes filamentosus · Freshwater Fish
What Salween Rock Catfish look like
Erethistes filamentosus, commonly known as the Salween Rock Catfish, exhibits a highly specialized morphology characterized by a flattened, dorsoventrally compressed body that mimics the appearance of dead leaves or moths, an adaptation that enhances its camouflage against rocky substrates. This species typically reaches a maximum adult size of approximately 5 to 15 inches, with individuals displaying sexual dimorphism; males often exhibit more pronounced filamentous extensions along their bodies, while females tend to be more robust and rounded during breeding periods. The catfish possesses a unique arrangement of sensory barbels, which are elongated and filamentous, aiding in tactile navigation and foraging in its benthic habitat. Additionally, the presence of a well-developed lateral line system allows for enhanced detection of water movements, while its small, rounded fins facilitate agile maneuvering among rocks and crevices. Defensive adaptations include its cryptic coloration and body shape, which serve to deter potential predators by blending seamlessly into its environment.
Behavior & temperament
The Salween Rock Catfish is primarily a solitary and territorial species, often found dwelling in the benthic zone of freshwater rivers and streams. It exhibits a preference for rocky substrates where it can utilize its flattened body to hide from predators. This catfish is not an obligate schooler, but it may be observed in loose aggregations during feeding or in areas with abundant shelter. Breeding behavior is characterized by egg scattering, with females depositing eggs in secluded crevices, while males guard the territory during this period. The species displays a generally docile temperament, though it can exhibit territorial aggression when defending its nesting sites or during competition for food resources.
Diet & feeding
In the wild, Erethistes filamentosus is an omnivorous feeder, consuming a varied diet that includes detritus, small invertebrates, and plant matter. In captivity, it thrives on a balanced diet of high-quality sinking pellets, supplemented with live or frozen foods such as bloodworms and brine shrimp to ensure adequate nutrition.
Behind the name
Erethistes (from Greek 'erethismos', meaning 'to irritate or provoke'); filamentosus (from Latin 'filamentum', meaning 'thread' or 'filament').
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Salween Rock Catfish?
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