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Metamorphosis of the crab; the zoea stage.

Crab

Metamorphosis of the crab; the zoea stage.

Metamorphosis of the crab; the megalops stage.

Crab

Metamorphosis of the crab; the megalops stage.

Metamorphosis of the crab; the adult stage.

Crab

Metamorphosis of the crab; the adult stage.

"Transformations of the Crab: 1, young crab, or zoea, magnified; 2, young crab, in a more advanced stage, magnified; 3, young crab, in a more advanced stage, natural size; 4, young crab, when it has assumed its more perfect form, magnified; 5, young crab, when it has assumed its more perfect form, natural size." — Chambers' Encyclopedia, 1875

Crab

"Transformations of the Crab: 1, young crab, or zoea, magnified; 2, young crab, in a more advanced stage,…

The first free-swimming larval stage of crustaceans.

Zoea

The first free-swimming larval stage of crustaceans.

An illustration of a Zoea of common shoe-crap in its second stage. r, Rostral spine; s, Dorsal spine; m, Maxillipeds; t, Buds of thoracic feet; a, Abdomen.

Zoea

An illustration of a Zoea of common shoe-crap in its second stage. r, Rostral spine; s, Dorsal spine;…

An illustration of the zoea of a common-shore crab in its second stage. R, Rostral spine; S, Dorsal spine; M, Maxillipeds; t, Buds of thoracic feet; A, Abdomen.

Zoea of Common Shore-Crab

An illustration of the zoea of a common-shore crab in its second stage. R, Rostral spine; S, Dorsal…