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Tank 3: 152 gal Large Polypterus Tank

Picture of Large Polypterus tank

My third largest tank has been devoted to some of my larger Polypterus (Bichirs).

Tank Size (LxWxH) 8'x 2.5' x 16" (254 x 76 x 40cm)
Volume Nominal: 152 imp gallons/183 US gallons/690 litres
Filtration Two home made glass built-in multi-compartment filters with settlement chamber, mechanical filtration though sponge layers, main biofiltration through ceramic media and a return chamber with pump.
Heating Heated room
Lighting Low - fluorescent room lighting only.
Substrate Thin layer of aquarium sand.
Decor Bogwood, large smooth rocks.
Background 3-D effect artificial background
Water parameters Temp=26oC ; pH=7.0-7.2 ; GH=3 ; KH=2
30% water change every week.
Fish stock 2 Polypterus congicus (15")
Polypterus ornatipinnis (18")
Polypterus weeksii (14")
Polypterus endlicheri (10")
4 Polypterus lapradei (9-12")
Polypterus bichir (9")

Polypterus congicusPolypterus ornatipinnis
Picture of Polypterus congicus Picture of Polypterus ornatipinnis

This tank has a large 8 x 2.5 ft base area but is not very tall, which is unnecessary for the bottom-dwelling Polypterus. The tank has a removable divider in the centre, mainly so that the species can be separated if required for spawning attempts. The divider is made from drilled plastic so that water flows between both halves. The filters built into both rear corners ensure good filtration and circulation in both sides.


Tank 1
(Leiarius pictus)
Tank 2
(Siamese Tigers)
Tank 3
Tank 4
Tank 5
(Wolf Cichlid)
Tank 6
Tank 7
Tank 8
Tank 9
Tank 10
Tank 11
Tank 12
Tank 13
(Wolf Fish)
Tank 14
(Planted Tank)
Tank 15
(W. African)
Tank 16
Tank 17
Tank 18
(Wolf Fish)
Tank 19
Tank 20
(Nano Reef)
Tank 21
Tank 22-26
Tank 27
(Nano Planted)
Fish House
(Setting up)
Previous Tank Setups and Fish:
Southeast Asian Planted Tank Malawi Mbuna Tank
Tanganyika Tank Malawi 'Haps' Tank

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