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Table 2 Summarized spectrophotometric measurements data of ONT eyeshine transmission efficiency (see also Fig. 3)

From: Optic-nerve-transmitted eyeshine, a new type of light emission from fish eyes

Species (N)

Standard length [mm]

Head diameter [mm]

ON depth [mm]

DWS [photons/s/sr/mm2]

ONT eyeshine [photons/s/sr/mm2] (relative to DWS)

PET eyeshine [photons/s/sr/mm2] (relative to DWS)

T. delaisi

(5)

46.4 ± 3.8

7.3 ± 0.9

1.61 ± 0.15

1.51 ± 0.34 ×1019

3.15 ± 1.81 ×1017

(0.0203 ± 0.0088)

7.01 ± 2.23 ×1016

(0.0047 ± 0.0010)

T. melanurus

(2)

30.5 ± 6.4

4.4 ± 0.6

0.98 ± 0.13

1.04 ± 0.11 ×1019

2.09 ± 0.46 ×1017

(0.0205 ± 0.0065)

2.24 ± 0.55 ×1016

(0.0021 ± 0.0003)

P. zvonimiri

(5)

38.6 ± 6.5

6.0 ± 1.2

1.49 ± 0.23

1.47 ± 0.17 ×1019

1.56 ± 0.12 ×1017

(0.0108 ± 0.0018)

3.04 ± 1.12 ×1016

(0.0022 ± 0.0011)

A. ocellaris

(5)

25.5 ± 2.2

5.6 ± 0.1

1.18 ± 0.09

1.46 ± 0.16 ×1019

1.66 ± 0.63 ×1017

(0.0112 ± 0.0036)

1.13 ± 0.26 ×1016

(0.0008 ± 0.0001)

  1. ON depth was estimated by applying relative ON depths from Table 1 to head diameters in this data set. Head diameter was calculated as the mean of head width and height measurements. DWS diffuse white standard, sr steradian