squalus
Definition
- Proper noun:
- A genus of sharks: Squalus is the genus name for a group of sharks commonly known as spiny dogfishes. These are small to medium-sized sharks characterized by having two dorsal fins, each preceded by a sharp spine.
Usage Examples
- Proper noun:
- The biologist identified the specimen as belonging to the genus Squalus.
- Squalus acanthias, the spiny dogfish, is found in temperate oceans worldwide.
Advanced Usage
- In taxonomic and scientific writing, is always italicized as it is a genus name. It is often followed by a specific epithet to name a particular species.
- The study focused on the population dynamics of Squalus suckleyi.
Variants and Related Words
- Squalid (adj): This is a different, unrelated word meaning extremely dirty and unpleasant, often due to poverty or neglect.
- They lived in squalid conditions.
- Squalene (n): A biochemical compound, a triterpene, originally isolated from shark liver oil (including from species).
- Squalene is used in some vaccine adjuvants and cosmetics.
Synonyms
- Spiny dogfish genus: A descriptive synonym referring to the common name of its members.
- Dogfish sharks: A common name for sharks in this genus and related families.
Notes on Meaning
- The word is used almost exclusively in scientific contexts (biology, ichthyology, taxonomy). It is not used in everyday conversation.
- It refers specifically to the taxonomic grouping (the genus), not to an individual shark. An individual shark is a "spiny dogfish" or a member of the genus .
Noun
-
spiny dogfishes
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