SVL in adult males |
70-77 mm |
58 mm |
84-104 mm |
65-75 mm |
76-88 mm |
Body shape |
Slightly depressed |
Slightly compressed |
Depressed |
Depressed |
Strongly depressed |
Tail shape |
Nearly cylindrical to slightly compressed |
Compressed near base, cylindrical distally |
Depressed near base, cylindrical distally |
Depressed near base, cylindrical distally |
Depressed, blunt and thick toward end |
Tail length/SVL |
1.4-1.8 |
1.7 |
1.2-1.4 |
1.0-1.1 |
0.8-0.9 |
Head shape ventrally |
Elongated, neck distinct |
Broad, neck distinct |
Elongated, neck poorly distinct |
Elongated, neck poorly distinct |
Elongated, neck poorly distinct |
Interparietal |
Large |
Large |
Small |
Large |
Large |
Supraciliaries in dorsal view |
2 (rarely 3) |
2 |
4 (rarely 3) |
4 |
4 |
Preauricular scale |
Enlarged, projecting, smooth |
Not enlarged, projecting, keeled |
Not enlarged, not projecting |
Not enlarged, only slitghtly projecting |
Not enlarged, only slitghtly projecting |
Mental scales |
Subequal |
Subequal |
Anterior ones distinctly smaller |
Anterior ones distinctly smaller |
Anterior ones distinctly smaller |
Vertebral crest |
Prominent, serrate, to proximal part of tail |
Prominent, serrate, tail? |
Low, not on tail |
Low (sliglhtly serrated ant.), to base of tail |
Low, to base of tail |
Dorsolateral crest |
Prominent, serrate, to base of tail |
Prominent, serrate |
Low, not on tail |
Low or serrate, to base of tail; stronger on neck |
Prominent, serrate, to base of tail; stronger on neck |
Lateral crests |
Visible, but less conspicuous in 2 out of 6 specimens |
Uncertain, but apparently absent |
Low, may be rather inconspicuous |
Serrate, stronger on neck |
Serrate, very strong on neck |
Mid-lateral crest* |
Absent |
Absent |
Present, variable in extension |
Absent |
Absent |
Dorsals |
High keels, mucronate |
High keels, mucronate |
Low keels, not or hardly mucronate |
Low keels, not or hardly mucronate |
Low keels, not or hardly mucronate |
Dorsals at midbody |
8-9 |
7-8 |
11-14 |
13-15 |
13-15 |
Scales at midbody |
39-41 |
33 |
41-50 |
47-56 |
47-53 |
Color pattern |
Back and flanks densely covered by bands/blotches |
Back and flanks densely covered by bands/blotches |
Back with sparse blotches or uniform |
Uniform or some sparse blotches on back |
Back with sparse blotches or uniform |