Equipment Needed


  • 5- or 10- gallon aquarium (5-gallon for under 13 fish; 10-gallon for 13-20 fish)
  • small low-wattage aquarium heater
  • small outside filter or inside-tank box filter. (It is not necessary to have bottom gravel or bottom filter. If you have the bottom filter available, however, you can use it and an air pump for your filtration system.)
  • air pump if not using an outside filter with its own power
  • glass or plastic tube with rubber tubing attached for siphoning bottom during cleaning and egg collection
  • small fish net
  • about 1/2 gallon of marbles
  • timer, lights, dishes, pipettes for embryos