We're worried that a regular whale will get into a 30-foot-deep ocean trench section and filter-feed on all the tiny whales.

"1/1,000th Scale World", by Randall Munroe, licensed under Creative Commons Attribution-NonCommercial 2.5 License

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We're worried that a regular whale will get into a 30-foot-deep ocean trench section and filter-feed on all the tiny whales.