Definition

Proper noun * Family Majidae: A taxonomic family within the order Decapoda, comprising marine crustaceans commonly known as spider crabs. Members of this family are characterized by long, slender legs, a compact and often triangular or rounded carapace (shell), and a body that is frequently camouflaged with algae, sponges, or other materials.

Usage

• The term "Family Majidae" is used in scientific and zoological contexts to classify and discuss a specific group of crabs.
• It is typically used with a singular verb, as it refers to a single taxonomic unit.
• Example: "Family Majidae includes some of the most effectively camouflaged arthropods in the ocean."

Examples

• "The biologist is studying the reproductive behavior of crabs in Family Majidae."
• "Family Majidae is distributed across oceans worldwide, from shallow waters to great depths."
• "This specimen, with its long legs and rounded carapace, clearly belongs to Family Majidae."

Advanced Usage

• In modern taxonomic revisions, the name "Majidae" is sometimes considered a senior synonym for the family "Epialtidae."
• The family is part of the larger superfamily Majoidea, which includes other spider crab families.

Variants and Related Words

• Majid (noun/adjective): A common informal term used to refer to a member of the Family Majidae. As an adjective, it describes characteristics of this family.
  • Example (noun): "The tide pool contained several small majids."
  • Example (adjective): "The majid carapace is often rough and covered in hooked hairs for attaching camouflage."
• Spider crab (noun): The common name for crabs belonging to Family Majidae and related families within Majoidea.
• Decapod (noun): The order (Decapoda) to which Family Majidae belongs, encompassing all crabs, lobsters, shrimp, and prawns.

Synonyms

• Spider crabs (common name)
• Majid crabs (scientific common name)

Related Phrases and Terms

• Camouflage behavior: A key ecological trait associated with many members of Family Majidae, involving the active decoration of their shells.
• Carapace ornamentation: Refers to the spines, tubercles, and hairs on the shell, which are important for species identification within the family.

Noun

1. spider crabs