Because sea urchins have large numbers of eggs
Because the eggs make great omlettes
Because sea urchins have large numbers of relatively big eggs
Because a sea urchin's egg is relatively big
Strongylocentrotus
Echinoderms
Animalia
Purpuratus
Small fish
Sea cucumbers
Other sea urchins
Algae
Mouth
Feet
Spine
Nose
Intertidal area only
On the beach
Subtidal area only
Both intertidal area and subtidal areas
Toothpick
Pentamerous
Porcupine
Dome