Anguilliformes

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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
  1. elongate fishes with pelvic fins and girdle absent or reduced

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