anguilliformes
Definition
Noun 1. An order of ray-finned fish: Anguilliformes is the scientific order comprising all true eels. These fish are characterized by their elongated, snake-like bodies and the absence or significant reduction of pelvic fins and their supporting girdle.
Usage
- The order Anguilliformes includes over 800 species, such as moray eels and freshwater eels.
- Marine biologists study the unique migratory patterns of fish within Anguilliformes.
- A key morphological feature defining Anguilliformes is the lack of pelvic fins.
Advanced Usage
- In taxonomic classification, Anguilliformes is often discussed in contrast to other eel-like fish orders (e.g., Saccopharyngiformes) which exhibit even more extreme anatomical reductions.
- The term is primarily used in scientific, zoological, and ichthyological contexts.
Variants and Related Words
- Anguilliform (adjective): Having the form or characteristics of an eel; belonging to the order Anguilliformes.
- The anguilliform body plan is adapted for hiding in crevices.
- Eel (noun): The common name for a fish belonging to the order Anguilliformes.
Synonyms
- True eels (common name)
- Eel order (descriptive term)
Related Phrases / Compound Terms
- Order Anguilliformes: The full taxonomic designation.
- Anguilliform swimming: A specific, wave-like mode of locomotion characteristic of eels.
Noun
-
elongate fishes with pelvic fins and girdle absent or reduced
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