eagle ray
Học thuậtThân thiện
Definition
- Noun:
- A powerful, free-swimming tropical ray (a type of fish) known for its ability to move through the water by flapping its large, wing-like pectoral fins, giving the appearance of soaring. It is generally not aggressive towards humans but possesses venomous tissue near the base of its tail, similar to stingrays.
Usage
- The term "eagle ray" is used to refer to this specific marine animal, typically within contexts of marine biology, wildlife documentaries, fishing, or oceanography.
- It functions as a countable noun (e.g., an eagle ray, several eagle rays).
Examples
- Noun:
- We spotted a magnificent eagle ray gliding over the coral reef.
- Eagle rays are often mistaken for stingrays due to their similar tail structure.
- The diver remained still as the school of eagle rays passed by.
Advanced Usage
- Collective Reference: The term can be used to refer to the species or family (Myliobatidae) as a whole.
- The eagle ray is a member of the cartilaginous fish group.
Variants and Related Words
- Spotted eagle ray (): A common species of eagle ray known for its distinctive white spots.
- Manta ray: A related but much larger type of ray, often confused with eagle rays. Manta rays lack a venomous tail spine.
- Stingray: A different family of rays that also possess a venomous tail spine but typically have a more rounded body shape and different swimming behavior.
Synonyms
- Bat ray (regional, for some species)
- Whipray (a less common general term for some eagle rays)
Related Phrases
- Venomous tail spine: The defensive, barbed spine located near the base of the tail, which is a key identifying feature shared with stingrays.
- Pectoral fins: The large, wing-like fins that eagle rays "flap" to swim, which are central to the definition.
Noun
- powerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays