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black ghost

  1. Freshwater and Tropical Fish
    okay i have currently a 75 gallon tank with 1 silver tip shark, 1 bala shark, and 1 Senegal (dinosaur) bichir. I use to have a black ghost knife but the bichir killed it..... :( The bichir was like 4 inches. the black ghost was 2 inches. Why did the bichir killed it??? Also i might get a tiger...