Linked from
The 59 pages that link to Crustacean, each with the reason it gives.
ArthropodBroader topic: Crustaceans show the diversity of arthropods in aquatic environments.
MoultingBroader topic: Crustaceans periodically shed their exoskeletons as they grow.
ArthropodaBroader topic: Crustaceans show the phylum’s diversity in aquatic environments.
AntennaBroader topic: Crustaceans commonly bear two pairs of antennae, unlike insects.
ShellfishBroader topic: Shrimp, crabs, and lobsters are shellfish with crustacean anatomy.