Isurus paucus

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Definition

Proper noun * A species of mackerel shark: Isurus paucus is the scientific name for the longfin mako shark, a species similar in appearance to the more common shortfin mako (Isurus oxyrinchus) but distinguished by its notably longer pectoral fins and often a darker blue coloration on its back.

Usage
  • The noun is used almost exclusively in scientific, academic, or technical contexts such as marine biology, ichthyology (the study of fish), fisheries management, and conservation.
  • It functions as a singular proper noun, referring to the species as a whole. The verb conjugation is singular (e.g., " is found...", " inhabits...").
Examples
  • Scientific Context:
    • The study compared the migratory patterns of Isurus paucus with those of its close relative.
    • Due to its low reproductive rate, Isurus paucus is considered vulnerable to overfishing.
  • Identification:
    • You can distinguish Isurus paucus from the shortfin mako by examining the length of its pectoral fins.
Advanced Usage
  • Binomial Nomenclature: is a binomial name (genus , species ). In formal scientific writing, it is always italicized. After its first use in a text, it can be abbreviated as .
    • The genus Isurus contains two extant species: I. oxyrinchus and I. paucus.
Variants and Related Words
  • Common Name: Longfin mako shark.
  • Taxonomic Relatives:
    • Isurus oxyrinchus (Proper noun): The shortfin mako shark.
    • Lamnidae (Proper noun): The family of mackerel sharks, which includes the genus Isurus.
Synonyms
  • Longfin mako (noun): The common English name for .
Noun
  1. similar to shortfin mako but darker blue

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