| Property | Specification |
| Scientific Name | Varies by species (e.g., Carcinus maenas for European green crab) |
| Appearance | Hard exoskeleton with two claws (chelae), segmented body, and multiple legs |
| Color | Brown, green, red, or orange (depending on species) |
| Size | Varies greatly; typically 5 cm to 25 cm in width |
| Weight | Varies from a few grams to several kilograms, depending on species |
| Body Shape | Rounded or oval, with a wide carapace (shell) and flat body |
| Claws | Two large claws (chelae) used for defense, communication, and hunting |
| Legs | Typically 8 walking legs, arranged symmetrically |
| Eyes | Stalked eyes, capable of independent movement |
| Habitat | Coastal areas, estuaries, reefs, mangroves, and some freshwater habitats |
| Diet | Omnivorous; feeds on mollusks, small fish, algae, detritus, and plankton |
| Taste/Texture | Sweet, delicate flavor with firm, flaky texture |
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