SIZE: To 16" (40 cm) in the wild, not usually more than 6" (15 cm) in captivity
PD: A fish with a "typical" eel-shape.
The back is dark brown while the flanks
are light brown.
The belly is lighter and there is a fine yellow line extending from the snout to the caudal
eye-spots can be found on the dorsal and caudal fins.
SS: Other Mastacembelus
HAB: Vegetation choked rivers in India, Thailand, Sri Lanka, Malaysia, Sumatra.
TANK: A tank measuring 24” (61 cm) with a volume of 20 gallons (75
L) is suggested for small fish.
recommendations under M. circumcinctus
WATER: pH 6-8 (7.0), 6-25 dH (10), 73-82°F (23-28°C), some salt can be added if
SB: A peaceful fish ideal for a community tank having medium to large sized fishes.
shy when first introduced, but becomes friendly once acclimated.
Gets along well with own species as long as they
are similar in size.
SC: Large Gouramis, Knifefish, Giant Danios, large Loaches, Loricarids, Eartheaters, Acaras,
Cichlasomines, Asian Catfish
FOOD: Live; Tubifex,
fish, Brine Shrimp, mosquito larvae, bloodworms,
SEX: Only distinguishable when mature-females plumper
B: Unsuccessful in captivity
Breeding has not been accomplished in aquaria.
R: This species has different color and pattern forms depending on its geographical population.
This species requires a diet of live foods.
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