Definitions

from The Century Dictionary and Cyclopedia

  • Pertaining to the base or bony basis of gills or branchiæ, or to the corresponding visceral arches of abranchiate vertebrates.
  • n. A bone or cartilage forming the base of a branchia, gill-arch, or visceral arch.

Etymologies

Sorry, no etymologies found.

Examples

  • “Basihyal teeth” probably refers to what we now call basibranchial teeth.

    Trout and Salmon of North America

  • Lake trout have well-developed basibranchial teeth, located on the floor of the pharynx between the gill arches.

    Trout and Salmon of North America

  • Bones of the skull are used in taxonomy, and one of the most important is the basibranchial plate.

    Trout and Salmon of North America

  • These basibranchial teeth are present in species such as cutthroat trout and char, but absent in other salmonid species, including all Pacific salmon.

    Trout and Salmon of North America

  • In pure populations of cutthroat trout, at least 90 percent of specimens have basibranchial teeth—minute teeth that exist in the base of the throat between the gill arches and are not readily detected by the naked eye.

    Trout and Salmon of North America

  • In rainbow trout, the occurrence of basibranchial teeth is sporadic; when these teeth are present in a population of rainbow trout, it is extremely rare to find them in more than 10 percent of specimens.

    Trout and Salmon of North America

  • Thus the presence or absence of basibranchial teeth is not an absolute trait for distinguishing all cutthroat trout from all rainbow trout.

    Trout and Salmon of North America

  • All descendants of Yellowstone Lake cutthroat trout can be recognized by their diagnostic characteristics of numbers of gill rakers and basibranchial teeth.

    Trout and Salmon of North America

  • Typically rainbow trout lack basibranchial teeth, but they do occur in some populations of redband trout.

    Trout and Salmon of North America

  • He based his assessment on the presence of basibranchial teeth in the specimens, which are absent in the Mexican golden trout and a rainbow-like trout found in a similar range and elevation.

    Trout and Salmon of North America

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