Body regions
Red tail shark
guppy
Thickness of the epidermis (µm)
Density of mucous cells∕ 100µm
Thickness of the epidermis (µm)
Density of mucous cells∕ 100µm
Lower lip
51.3 ± 4.1
12.2 ± 2.4
36.1 ± 2.3
14.8 ± 2.3
Upper lip
65.2 ± 5.0
10.5 ± 2.7
58. 2± 3.6
12.0 ± 2.3
Snout
44. 5 ± 3.9
8.1 ± 2.8
38. 6 ± 3.0
8.6 ± 1.9
Operculum
42.2 ± 2.8
8.9 ± 2.6
30. 8 ± 1.9
8.5± 2.8
Dorsum of head
38.6 ± 3.6
8.3 ± 1.4
36. 5 ± 2.8
10 ± 1.8
Trunk
18.0 ± 2.2
4.5 ± 1.0
11. 6 ± 2.4
6.3 ± 1.3
Tail
40. 5 ± 3.7
2.2 ± 1.5
39. 4± 4.4
14.7 ± 3. 7
Table 1:
The mean thickness of epidermis (μm) at different body region and the density of mucous cells∕100 μm of the epidermis in both fish species.
