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Results for “branched rays”

Ichthyological terms, not general ones.

Species 32Articles 3Glossary 6

  • branched rays

    A soft or segmented fin ray which is distally forked/divided into two.

    Used in 51 profiles

  • branchiostegal ray

    One of the dermal, bony (sometimes cartilaginous), bilaterally paired, flattened struts inserting on the epihyal and/or ceratohyal (sometimes the interhyal and hypohyal) that supports the branchiostegal membranes.

    Used in 4 profiles

  • soft ray

    Segmented fin ray which is flexible and usually branched.

    Used in 17 profiles

  • branchiostegal membrane

    The membrane, sometimes referred to as the gill membrane, connecting the branchiostegal rays and enclosing the ventral portion of the branchial cavity. Normally extended when the opercle of a fish is open, sealing the branchial cavity and creating a vacuum in the mouth, and also used during threat, courtship and other communicative behaviours in many species.

    Used in 5 profiles

  • hyoid arch

    Either of the second pair of pharyngeal or gill arches. Supports part of the tongue and the branchiostegal rays.

  • lamina circularis

    Bony process or plate at the base of the first ( unbranched ) and second ( first branched ) ray of the pectoral-fin in most male specimens of the family Cobitidae. It is also known as 'Canestrini's scale'.

    Used in 24 profiles