Cycloid and ctenoid scales are found in the majority of bony fishes (the Teleostei). ... Cycloid scales have a smooth posterior margin lacking ctenii. The word "cycloid" comes from the Greek "cyclo", meaning circle.
|
australianmuseum.net.au/Cycloid-and-Ctenoid-Scales
australianmuseum.net.au/Cycloid-and-Ctenoid-Scales
|
|
Scale (zoology) - Wikipedia, the free encyclopedia
|
|
In most biological nomenclature, a scale (Greek lepid , Latin squama ) is a small rigid plate that grows out of an animal's skin to provide protection. In lepidopteran (butterfly and moth) speci...
en.wikipedia.org/wiki/Scale_(zoology)
|
|
Britannica online encyclopedia article on cycloid scale (zoology), Cycloid scales appear to be the inner layer of ganoid or cosmoid scales. Found in carps and similar fishes, they are thin, large, round or oval, and arranged in an overlapping pattern; ... Cycloid scales appear to be the inner layer of ganoid or cosmoid scales.
|
www.britannica.com/EBchecked/topic/148047/cycloid-scale
www.britannica.com/EBchecked/topic/148047/cycloid-scale
|
|
|
This slide shows a cycloid fish scale. Cycloid scales are thin and overlapping, permitting more flexibility. Unlike ganoid scales, cycloid scales grow as the fish grows, and in some species, show annual growth rings.
|
bioweb.uwlax.edu/zoolab/Lab-9b/Cycloid-Fish-Scale.htm
bioweb.uwlax.edu/zoolab/Lab-9b/Cycloid-Fish-Scale.htm
|
|
|
|
Micscape Magazine for enthusiast microscopy ... There are four types of scales with numerous variations of each kind: Placoid, cosmoid, ganoid and the most frequently encountered; cycloid and ctenoid scales. Some fishes like sole have ctenoid scales on the 'eyed' side of their body and cycloid scales on the other side.
|
www.microscopy-uk.org.uk/mag/artjan02/fishes.html
|
|
|
scale in zoology, an outgrowth...The major component of the scales of fishes is bone, and they...grows. The number of rows of scales, as well as the kind, figures...species. The growth of the scales is marked by rings, which...comblike edges or smooth scales (cycloid).
|
www.encyclopedia.com/doc/1O8-cycloidscale.html
www.encyclopedia.com/doc/1O8-cycloidscale.html
|
|
The primary types of fish scales include placoid, cosmoid, ganoid, ctenoid, and cycloid scales. Placoid scales, which consist of an outer layer of an enamel-like substance, an inner stratum of dentine, and a pulp cavity, are exhibited by sharks.
|
www.olympusmicro.com/primer/techniques/dic/dicgallery/c...
www.olympusmicro.com/primer/techniques/dic/dicgallery/cycloidscalesmall.html
|
|
Cycloid Scales—fish scales that are oval or elliptical in shape with a smooth edge. In this type of scale, the anterior part of each scale is usually overlapped by the posterior portion of the scale in front of it, giving the fish greater flexibility than fishes with other types of scales.
|
www.oceanservice.noaa.gov/education/stories/lionfish/gl...
www.oceanservice.noaa.gov/education/stories/lionfish/glossary.html
|
|
The cycloid scales of lionfish (Pterois volitans). Cycloid scales are oval or elliptical in shape with a smooth posterior edge. ... The cycloid scales of lionfish (Pterois volitans)
|
www.oceanservice.noaa.gov/education/stories/lionfish/me...
www.oceanservice.noaa.gov/education/stories/lionfish/media/supp_factb.html
|
|
