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Questions about Crab

Short answers, pulled from the story.

What is the scientific classification of the brown crab Cancer pagurus?

The brown crab Cancer pagurus belongs to the Brachyura group known as true crabs. This species wears a thick exoskeleton made of highly mineralized chitin.

When did horseshoe crabs live in Canada during the Ordovician period?

Horseshoe crabs lived in Canada around 445 million years ago during the late Ordovician period. These ancient creatures belong to Chelicerata alongside spiders and scorpions.

How much does the coconut crab Birgus weigh on Pacific islands?

The coconut crab Birgus weighs over four kilograms while reaching lengths of up to half a meter. It stands as the largest terrestrial arthropod existing today.

Which Asian blue crab Portunus trituberculatus represents one-fifth of global catch volume?

The Asian blue crab Portunus trituberculatus represents one-fifth of the total annual catch volume worldwide. Crabs account for approximately 1.5 million tonnes caught or farmed each year globally.

Who painted Eriphia verrucosa meticulously in 1495 during his visit to Venice?

Albrecht Dürer painted Eriphia verrucosa meticulously in 1495 likely during his visit to Venice on the Adriatic coast. This artwork documents the species with high detail.