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The word "fish" historically meant more or less any animal in the sea, which to my understanding included whales, seals, sea turtles, shrimp, shellfish, starfis
by jacobolus 2y ago
The word "fish" historically meant more or less any animal in the sea, which to my understanding included whales, seals, sea turtles, shrimp, shellfish, starfish, jellyfish, etc.
Phylogenetically, there is also a relevant group, but we call them "chordates" instead.