. The Biological bulletin. Biology; Zoology; Marine biology. 206 F. I. HAROSI showed that total quantum catches and their ratios were nearly identical under a variety of conditions, whether the experimental or the generated spectra were used (cf. table II of Singarajah and Harosi, 1992, and current Ta- ble II). Quantal absorption, spectral irradiance, and water types As previously discussed in Singarajah and Harosi (1992), the basic premise for this modehng is that the photoreceptor cell is a quantum detector whose output is proportional to the rate of quantum catch {, the total number of
. The Biological bulletin. Biology; Zoology; Marine biology. 206 F. I. HAROSI showed that total quantum catches and their ratios were nearly identical under a variety of conditions, whether the experimental or the generated spectra were used (cf. table II of Singarajah and Harosi, 1992, and current Ta- ble II). Quantal absorption, spectral irradiance, and water types As previously discussed in Singarajah and Harosi (1992), the basic premise for this modehng is that the photoreceptor cell is a quantum detector whose output is proportional to the rate of quantum catch {, the total number of quanta absorbed per unit time). Assuming the Table II Rales of total quantum catch by visual pigments. Q„ in 10'" quanta s'' mm'' and their ratios as function of water type and depth (integrated in 5-nm steps from 280-700 nm) Black sea bass (Centropristis striata) Visual pigments: B. X„„ = 463 nm; G. X„„ = 527 nm; R, \„^ = 498 nm OCEANIC WATER TYPES: JIA Depth [m] B G R B/G R/B R/G 100 287 491 583 .59 JIB Depth [m] B G R B/G R/B R/G 10 3,766 12,124 10,525 .31 .87 50 852 1,969 .46 100 142 249 293 .57 200 .67 300 .14 2 .26 .71 Jll Depth [m] R B/G R/B R/G 10 50 100 200 300 2,810 201 .014 .000025 9,091 450 15 .022 .000037 7,912 480 17 .027 .000047 .87 COASTAL WATER TYPES: J3 Depth [m] B G R B/G R/B R/G 10 462 2,270 1,756 .20 .77 20 50 267 210 .19 .79 50 .09 .53 .43 .17 .81 J5 Depth [m] B G R B/G R/B R/G 10 91 626 433 .15 .69 20 21 14 .12 .68 50 .000095 .001 .00071 .09 .69. 250 300 350 400 450 500 550 600 Wavelength [nm] 650 700 750 Figure 2. Model spectra for visual pigments of the sea raven. Curve labels are B, for the single cone pigment, X„ax = 463 nm; R, for rod pigment, X^^ = 505 nm; G, for one type of double cone pigment, X„„ = 522 nm; Y, for the second type of double cone pigment, X„„, = 565 nm. light Stimulus to be
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