Character |
Key scale (KS) |
Lateral line
scale (LS) |
Type of scale |
Cycloid |
Cycloid |
Shape of scale |
Polygonal |
Circular, cordate. |
Anterior margin |
Round and wavy |
Wavy |
Lateral field |
Convex |
Convex |
Focus shape, size and position |
Round, small and antero-central |
Absent |
Circuli in anterior field |
Closely arranged |
Closely
arranged |
Circuli in posterior field |
Widely spaced and discontinuous |
Widely
spaced and discontinuous |
Posterior margin. |
Round and smooth |
Round and smooth |
Lepidonts |
Absent |
Absent |
Chromatophores |
Absent |
Absent |