Dice

the two marks on the right fluke look like the dots for snake-eyes (rolling ones on two dice)

Duckpin

a mark on the outer edge of the right fluke looks like a bowling pin or "duckpin"

Genetics

the left fluke has marks that look like X and Y chromosomes

Grouper

the white coloring on the left fluke resembles a type of fish

Lavalier

a small mark on the inner part of the right fluke (on the white part) looks like a small hanging pendant

Non-calves

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Calves

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