Why do crabs never give to charity?
Because they're all shellfish.
Why do crabs never give to charity?
Because they're all shellfish.
Okay, so get this, buddy. Crabs don't donate to charity because they're "shellfish." Get it? Shellfish sounds like "selfish." It's a pun, which is like, the lowest form of comedy, but hey, you probably thought it was peak humor, you little snowflake.