Datnioides pulcher Family: Datnioididae. Order: Perciformes (perch-like). Class: Actinopterygii (ray-finned fishes). Common name: Siamese Tiger, Cambodian Tiger, Widebar Tiger, Widebar Datnoid, ST/CT. Max. size: 24 inches/60 cm. D pulcher are slow growing and rarely seen above 18 inches/45 cm in the aquarium. Environment: Freshwater.Distribution: Asia, Mekong and Chao Phraya basins. Temperament: Can be aggressive toward others of the same species, they will usually be OK with other large fish, although this is not always the case. Species info: Distinguishable by its regular colour pattern consisting of 4 or 5 regular and broad bars on body; bar 1 from nape through opercle onto thoracic region and across ventral surface of the body; bar 2 from base of dorsal spines 2-5 to slightly in front of anal fin origin; bar 3 starts at base of dorsal spine 9 to base of dorsal ray 2, and ends at base of anal rays 2-6; bar 4 on posterior half of caudal peduncle. (Ref. Fishbase.org) Keeping Datnioides Pulcher in the aquarium. Feeding info: Feeding D pulcher when small and newly introduced to the aquarium can be a challenge and live foods may only be taken. Feeding habits can be changed, and with perseverance foods like prawn, whitebait (silversides), beef heart, earthworms and even pellets can be accepted and a varied diet is always best. Water info: A temperature range of 24-28°C (75-82°F) and a pH between 6.5-7.5 will suffice. A large amount of filtration and decent water change schedule is a must with these fish as they prefer good water quality. Tank size: A large tank with plenty open swimming space is required for D pulcher, although as this fish grows slowly a smaller tank can be used as a grow out. As these fish grow large a 6x2x2 tank is recommended but bigger is always better.