TABLE 1. Types of shell damages, separated by different Grades, introduced in the paper.
Grade |
Characters of scars |
Synonyms |
Soft tissue damage |
Stretch (with respect to length)
|
Depth (with respect to width) |
Predatory |
Non-Predatory |
I |
visible |
>50% |
>30% |
Embayed, Cleft |
Creases, Arcuate-angular |
II |
--- |
5-50 |
5-30% |
Scalloped, Devoted |
Horseshoe |
III |
--- |
<5% |
<5% |
Scalloped |
Arcuate-angular |
TABLE 2. Distribution of damages and their severities are presented here. Note that most the damages are of Grade III and are concentrated on the ventral part of the shell. Stretch = the dimension of the scar (see text).
|
Location on shell |
Grade |
1 |
2 |
3 |
4 |
|
|
Type A (stretch and depth) |
Type B (soft tissue damage) |
Type A (stretch and depth) |
Type B (soft tissue damage) |
Type A (stretch and depth) |
Type B (soft tissue damage) |
I |
2 |
12 |
3 |
20 |
5 |
14 |
3 |
II |
7 |
18 |
32 |
18 |
III |
25 |
47 |
106 |
45 |