Selene vomer

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Definition

Noun 1. A type of marine fish: A species of fish belonging to the genus Selene, specifically Selene vomer, characterized by a very deep, extremely compressed body, a steep, almost vertical forehead, and eyes set high on the head. It is similar in appearance to other fish commonly called moonfish or lookdown.

Usage Notes
  • The term "selene vomer" is the scientific binomial name (genus , species ) for this specific fish. In common language, it is most frequently referred to by its common name, lookdown.
  • It is primarily used in scientific, zoological, or ichthyological (the study of fish) contexts. In everyday conversation, anglers or aquarium enthusiasts would use the common name "lookdown."
  • The defining physical characteristic is its unique head profile with a highly truncated forehead, making the eyes appear positioned unusually high.
Examples
  • Scientific Context: "The specimen was identified as based on its distinct cranial morphology."
  • Descriptive Context: "The selene vomer, or lookdown, is easily recognized by its silvery, disc-shaped body and steep forehead."
Advanced Usage
  • The name is derived from Greek mythology, referring to the goddess of the moon, alluding to the fish's often silvery, moon-like appearance.
  • The species name is Latin for "plowshare," which may describe the shape of its head or body.
Variants and Related Words
  • Lookdown: The most common English name for .
  • Moonfish: A common name that can refer to several silvery, compressed fish species, including those in the genera and . It is a broader, less specific term.
  • Genus Selene: The taxonomic group that includes the lookdown and related species like the Atlantic moonfish ().
Synonyms
  • Lookdown (primary common name)
  • Horsehead (a less common regional name, referring to the head shape)
Different Meanings
  • Selene: When used alone, typically refers to the genus of fish or, in a different context, the Greek lunar goddess.
  • Vomer: When used alone in anatomy, refers to the vomer bone in the human skull (a thin bone forming part of the nasal septum). In a zoological context, it is part of this fish's species name.
Noun
  1. similar to moonfish but with eyes high on the truncated forehead

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