branched ray

branched ray
a soft or segmented ray which divides distally into two or more parts

Dictionary of ichthyology. 2009.

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  • ray — 1) a ray (excluding spines) is a flexible, rod like segmented and often branched, bilaterally paired fin support of dermal origin. Rays may be divided into soft rays (as just described) and hard rays or pseudacanths which are ossified, inflexible …   Dictionary of ichthyology

  • anal fin ray count — enumeration of the soft anal fin rays. In fishes where the smaller rays in front gradually grade into larger rays, these smaller anterior rays are included in the count, e.g. Ictaluridae, Esocidae, Gadidae. Where the first small rays abruptly… …   Dictionary of ichthyology

  • dorsal fin ray count — enumeration of the soft dorsal fin rays. In fishes where the smaller rays in front gradually grade into larger rays, these smaller anterior rays are included in the count, e.g. Ictaluridae, Esocidae, Gadidae. Where the first small rays abruptly… …   Dictionary of ichthyology

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  • principal ray — a large ray, branched or unbranched, larger than the minor or rudimentary rays. In the caudal fin the principal rays are usually attached to the hypural plates, are larger than the rudimentary rays; and usually include, in adults, the branched… …   Dictionary of ichthyology

  • caudal fin ray count — usually only the principal or main rays are counted, the tiny rudimentary, often procurrent rays are not included. In fishes with branched rays, the principal count is the number of branched rays plus two. These rays are usually markedly larger… …   Dictionary of ichthyology

  • Soft ray — Soft Soft (s[o^]ft; 115), a. [Compar. {Softer} (s[o^]ft [ e]r); superl. {Softest}.] [OE. softe, AS. s[=o]fte, properly adv. of s[=e]fte, adj.; akin to OS. s[=a]fto, adv., D. zacht, OHG. samfto, adv., semfti, adj., G. sanft, LG. sacht; of… …   The Collaborative International Dictionary of English

  • soft ray — an articulated or segmented fin ray, simple or branched …   Dictionary of ichthyology

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