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Thin Bar Siamese Tigerfish

Common name(s)Mekong Tigerfish, Siamese Tigerfish / Tiger Perch, Thin Bar Dat Siamese Tigerfish, Datnioides undecimradiatus
© Sean Evans
Scientific nameDatnioides undecimradiatus
SynonymsCoius undecimradiatus (not valid, see discussion)
SizeUp to 16" (40cm), but usually smaller in aquaria
OriginAsia: middle and lower Mekong basin - Thailand, Laos, Cambodia and possibly Vietnam.
Tank setupA large tank with open swimming space, subdued lighting.
CompatibilityPredatory, will eat smaller fish. Peaceful with other large fish.
Temperature22-26oC (71-78oF)
Water chemistryNeutral to slightly alkaline pH (7.0-7.5), medium hard.
FeedingA predatory carnivore, but can be weaned onto 'dead' meaty foods such as whitebait, cockles, mussels and prawns. Bloodworm and brine shrimp are suitable for juvenile fish.
SexingUnknown
BreedingUnknown
Comments

This species has three main bands, which are narrower than in D. microlepis and D. pulcher, hence the common name of "Thin Bar Dat". It is also less deep-bodied than D. microlepis or D. pulcher. This species also appears less robust than D. microlepis, and may be intimidated if the two are kept together.

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