Here's why:
* Diet: Killer whales are known to have a diverse diet, including fish, seals, dolphins, and even whales. However, their main prey tends to be smaller and faster than tiger sharks.
* Size: While killer whales are larger and more powerful than tiger sharks, the latter are still formidable predators with strong jaws and sharp teeth. A tiger shark would likely put up a fight.
* Geographic distribution: Killer whales and tiger sharks do share some overlap in their geographic ranges, but not consistently enough to suggest frequent encounters or predator-prey relationships.
However, it's important to remember:
* Individual behavior: There may be rare instances where a particularly aggressive killer whale might target a tiger shark, especially if it's injured or weak.
* Competition: Killer whales and tiger sharks could compete for resources, like food or territory, leading to occasional confrontations.
Therefore, while it's possible for a killer whale to eat a tiger shark in some rare cases, it's not a regular part of their diet, and there's no evidence to suggest a predator-prey relationship between the two.