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Reptile scale types include: cycloid, granular (which appear bumpy), and keeled (which have a center ridge). Scales usually vary in size, the stouter, larger scales cover parts that are often exposed to physical stress (usually the feet, tail and head), while scales are small around the joints for flexibility.
A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which can also provide effective camouflage through the use of reflection and colouration, as well as possible hydrodynamic advantages.
Cycloid scales on Leptotyphlops humilis and other blind snake species are ... The ocular scale proper is a transparent scale covering the eye which is called the ...
Cycloid scales are small, oval-shaped scales with growth rings like the rings of a tree. They lack enamel, dentin, and a vascular bone layer. Bowfin and remora have cycloid scales. Ctenoid scales are similar to cycloid scales, also having growth rings, lack enamel, dentin, and a vascular bone layer. They are distinguished by spines or ...
The teleost scales are also then divided into two subgroups which are the cycloid scales, and the ctenoid scales. All these scales have a base of bone that they all originate from, the only difference is that the teleost scales only have one layer of bone.
The obscure snakehead (Parachanna obscura) is a medium-sized carnivorous fish that has an elongated shape tapered on both ends and is covered in medium circular scales . [3] The head, resembling a snake, is long and depressed anteriorly and covered with cycloid scales slightly larger than those scales on the body. [3]
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There is a single pair of nostrils. The body is covered with very small, difficult to see, cycloid scales which are covered in mucus. the sensory canals on the head have pores which are open to the outside. The lateral line runs along the middle of the flanks and is made up of a row of superficial neuromasts. The teeth are small and conical.