QUERY ON HATCHING FISH EGGS
HOW DO I HATCH FISH EGGS? Reader's Letter I have a pair of Hemichromis Fasciatus, which I previously kept in a two-foot aquarium with an Oranda Goldfish and two Costello Tetras, but they became too aggressive, so I moved them to an 18"x12"x12" tank on their own. Since I bought them from a friend 4 months ago, they have spawned relentlessly every 14 days or so. However, they eat their eggs within 48 hours. I once tried to raise the eggs myself by removing the pair into a bucket after spawning, and then aerating the eggs with an air stone, but a white cotton mass soon covered them up. Can you tell me what I am doing wrong? Expert's Letter It could well be that both of your Hemichromis are females; pairs of females will spawn together. This species is reasonably easy to sex; however, the difference in body shape is that males are flat underneath, and females are more rounded. The males tend to develop a heavier head profile and have a well-developed finnage as the...