sea hare
Học thuậtThân thiện
Definition
- Noun:
- A type of marine mollusk: A sea hare is a soft-bodied marine gastropod (sea slug) with a small, often internal shell. It is characterized by two pairs of tentacles on its head that resemble rabbit ears, which is the origin of its common name.
Usage
- The term "sea hare" is used to refer to this specific animal in biological and marine contexts. It is a common name, not a scientific classification, for species within the order Anaspidea.
Examples
- Noun:
- We observed a large sea hare grazing on seaweed in the tidal pool.
- The sea hare releases a purple ink as a defense mechanism when threatened.
Advanced Usage
- The name is derived from the animal's physical appearance; its sensory tentacles are thought to look like the ears of a hare (rabbit).
- In scientific literature, specific species are referred to by their Latin names (e.g., ), but the general group is called sea hares.
Variants and Related Words
- Anaspidea (n): The scientific order to which sea hares belong.
- Opisthobranch (n): A larger subclass of gastropods that includes sea hares and other sea slugs.
Synonyms
- Sea slug (n): A broader term for shell-less or reduced-shell marine gastropods, which includes sea hares. (Note: "Sea hare" is a specific type of sea slug.)
Related Phrases/Idioms
- The term "sea hare" is primarily a zoological name and is not typically used in idiomatic expressions.
Noun
- naked marine gastropod having a soft body with reduced internal shell and two pairs of ear-like tentacles