triakidae
Học thuậtThân thiện
Definition
Noun 1. A family of sharks: Triakidae is the scientific family name for a group of sharks commonly known as houndsharks. They are characterized by having smooth skin (dermal denticles) and dorsal fins without spines.
Usage Notes
- "Triakidae" is a taxonomic term used primarily in scientific and zoological contexts. It is not commonly used in everyday conversation.
- As a proper noun referring to a biological family, it is typically capitalized.
- It is used with singular or plural verbs depending on whether it refers to the family as a single unit or to its members.
- The family Triakidae is diverse. (Singular, referring to the group)
- Triakidae are found in many oceans. (Plural, referring to the members of the group)
Examples
- The Triakidae family includes well-known species like the leopard shark.
- Marine biologists classified the new specimen within the Triakidae.
- Unlike some other shark families, Triakidae lack defensive spines on their dorsal fins.
Advanced Usage
- In taxonomic hierarchy: "The order Carcharhiniformes contains the family ."
Variants and Related Words
- Houndshark (n): The common name for sharks belonging to the family Triakidae.
- The leopard shark is a type of houndshark.
- Triakid (adj/n): Pertaining to the family Triakidae; also used informally for a member of this family.
- The triakid species studied showed unique feeding habits.
Synonyms
- Houndsharks (n): The common name equivalent.
Different Meanings
- This word has only one specific meaning in modern English: the zoological family of houndsharks. It does not have other general definitions.
Noun
- small sharks with smooth skins and lacking spines on their dorsal fins