ctenoid


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Synonyms for ctenoid

resembling a comb

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References in periodicals archive ?
In the study area, the quartz grain surface observed the presence of ctenoid dolomite encrustation developed under the alkaline aqueous medium environment, effectively inhibiting the overgrowth of quartz (Figure 7(d)).
The main part of the body is covered with cycloid scales, but unlike females, males have also ctenoid scales on the head on the eye-side and on the trunk behind the head and close to dorsal and anal fins.
Body covered in rough ctenoid scales; head entirely scaled, scales above dorsal opercular opening origin unorganized and very small, scales organized into loose rows on preopercle and opercle, scales on snout, premaxilla, maxilla and lower jaw minute and unorganized.
Then ridged scales, the functional-morphologically analogous forms of ctenoid scales, appeared on the posterior trunk, and eventually the smooth scales were replaced by ridged, species-specific scales, except on the head and leading edges of fins, where smooth scales persist; the posterior part of the head carried scales of transitional type.
They are ctenoid with the focus positioned posterior to the center of the scale.
Scale development begins at 9.80 mm SL in the mid-region of the flanks of the body, increasing peripherally until the body is entirely covered by ctenoid scales at 14.00 mm SL.
95) ctenoid, subquadrate with 8-15 primary anterior radii that converge at the focus; radii crenate at scale margin; anterolateral corners square, postero-lateral corners rounded; focus located in posterior half of scale (Daniels 1996).
Maxillary, and mandible covered with small ctenoid scales but not on branchiostegals.
Scales of head, predorsal region, breast, belly, uppermost part of back and bases of caudal and pectoral fins cycloid, remainder of body scales ctenoid. Head entirely scaled except lips, snout tip, preorbital region, lower jaw and chin; preopercle scales smaller than body scales and tend to be embedded; sensory pores absent on head, but tracks of well-developed papillae arranged as shown in Fig.
Dorsal-fin rays 11-12, rarely 11; anal-fin rays 11; total caudal-fin rays 41-42; dorsal segmented caudal rays 9; ventral segmented caudal rays 10; dorsal procurrent caudal rays 12; ventral procurrent caudal rays 10-11; pelvic-fin rays 8; pectoral-fin rays 11 or 12; total vertebrae 47-49, modally 49; predorsal vertebrae 12 or 13; scales ctenoid; pored lateral-line scales 45-48, modally 47; median predorsal scales 15 or 16; scales above lateral line to dorsal-fin base 3.5; scales below lateral line to anal-fin base 4.5.
The introduction of scanning electron microscopy allowed its use for detailed study of fish scales, such as that by Roberts (1993) on ctenoid scales of Teleostei, revealing their microstructure and variety.
Scales small for the genus, progressively smaller anteriorly, extending on side of nape to above middle of opercle, but none in median predorsal zone or prepectoral area (if embedded scales are present in these two apparently naked areas, none could be dislodged); scales ctenoid posteriorly on body, becoming cycloid anterior to origin of second dorsal fin; small cycloid scales present on chest; no scales on fins except basal fourth to fifth of caudal fin.
Morphology of the scale: the scales of Anisotremus interruptus are ctenoid, big, hard and in a rectangular shape (the length is contained around 1.4 times in the width).
Bryaninops earlei differs from all congeners in having large ctenoid scales (22-25 in longitudinal series); it is similar to B.