Table 1 Summarized absolute and relative anatomical data of specimens used for histology and MRI (see also Figs. 5 and 6)
From: Optic-nerve-transmitted eyeshine, a new type of light emission from fish eyes
| Species | Value type | Total length [mm] | Head diameter [mm) | Body volume [mm3] | Skull (bone) thickness [μm] (% of HD) | Dermis thickness [μm] (% of HD) | ON depth [mm] (% of HD) | ON layers [N] |
ON layer thickness [μm] (% of ONØ] | ON CSA [mm2] (% of head CSA) |
|---|---|---|---|---|---|---|---|---|---|---|
| T. delaisi | absolute | 53.6 ± 4.6 | 6.9 ± 0.4 | 684 ± 133 | 54.0 ± 6.9 | 94.2 ± 8.0 | 1.57 ± 0.04 | 7.8 ± 0.8 | 54.9 ± 13.4 | 0.135 ± 0.040 |
| relative | (0.76 ± 0.09) | (1.33 ± 0.12) | (22.1 ± 2.0) | (13.2 ± 2.1) | (0.35 ± 0.07) | |||||
| 10 | N | 10 | 10 | 10 | 3 | 3 | 3 | 3 | 3 | 3 |
| T. melanurus | absolute | 40.5 ± 5.1 | 4.9 ± 06 | 258 ± 86 | 38.3 ± 7.5 | 35.3 ± 6.2 | 1.09 ± 0.05 | 6.5 ± 0.7 | 40.1 ± 11.1 | 0.065 ± 0.035 |
| relative | (0.78 ± 0.01) | (0.72 ± 0.004) | (22.3 ± 3.0) | (14.2 ± 0.03) | (0.36 ± 0.12) | |||||
| 4 | N | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 |
| P. zvonimiri | absolute | 42 | 5.55 | 339 | 84.2 ± 54.7a | 260.6 ± 160.4a | 1.38 ± 0.21a | 4.5a | 63.5 ± 8.4a | 0.124 ± 0.037a |
| relative | (1.52 ± 0.99)a | (4.70 ± 2.89)a | (24.9 ± 3.8)a | (16.0 ± 2.1)a | (0.51 ± 0.15)a | |||||
| 1 | N | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| A. ocellaris | absolute | 52.9 ± 5.2 | 10.0 ± 1.2 | 1419 ± 503 | 255.5 ± 39.5 | 275.0 ± 80.9 | 2.16 ± 0.31 | 10.2 ± 0.8 | 42.7 ± 4.3 | 0.096 ± 0.007 |
| relative | (2.50 ± 0.21) | (2.67 ± 0.52) | (21.1 ± 1.6) | (12.2 ± 1.7) | (0.12 ± 0.03) | |||||
| 9 | N | 9 | 9 | 9 | 4 | 4 | 4 | 3 | 3 | 3 |