Table 2. DVM patterns for elasmobranch species.
Only species with time-series data available were used, with data split into local day (10:00 to 14:00) and night (22:00 to 02:00) periods. Percentage values represent the proportion of individuals of a species displaying nDVM, rDVM, or neutral patterns (no difference between day and night). Day and night counts display the number of days of data available for each respective diel period.
Species | Number of tags | % nDVM | % rDVM | % Neutral | Day count | Night count |
Pelagic thresher shark Alopias pelagicus |
5 | 100 | 0 | 0 | 368 | 422 |
Bigeye thresher shark Alopias superciliosus |
3 | 100 | 0 | 0 | 144 | 144 |
Arctic skate Amblyraja hyperborea |
5 | 0 | 0 | 100 | 143 | 133 |
Big skate Beringraja binoculata |
2 | 50 | 0 | 50 | 387 | 407 |
Silvertip shark Carcharhinus albimarginatus |
7 | 71.4 | 0 | 28.6 | 510 | 516 |
Grey reef shark Carcharhinus amblyrhynchos |
3 | 33.3 | 33.3 | 33.3 | 92 | 92 |
Bronze whaler shark Carcharhinus brachyurus |
4 | 75 | 0 | 25 | 531 | 526 |
White shark Carcharodon carcharias |
91 | 38.5 | 12.1 | 49.5 | 11,612 | 11,527 |
Silky shark Carcharhinus falciformis |
32 | 50 | 12.5 | 37.5 | 1323 | 1282 |
Galapagos shark Carcharhinus galapagensis |
9 | 66.7 | 0 | 33.3 | 443 | 459 |
Bull shark Carcharhinus leucas |
16 | 62.5 | 0 | 37.5 | 1415 | 1432 |
Blacktip shark Carcharhinus limbatus |
5 | 0 | 0 | 100 | 457 | 452 |
Oceanic whitetip shark Carcharhinus longimanus |
19 | 26.3 | 31.6 | 42.1 | 1676 | 1674 |
Caribbean reef shark Carcharhinus perezi |
10 | 80 | 20 | 0 | 1103 | 1103 |
Basking shark Cetorhinus maximus |
30 | 26.7 | 13.3 | 60 | 3960 | 3760 |
Tiger shark Galeocerdo cuvier |
45 | 44.4 | 6.7 | 48.9 | 2069 | 2046 |
School shark Galeorhinus galeus |
14 | 64.3 | 0 | 35.7 | 1016 | 967 |
Bluntnose sixgill shark Hexanchus griseus |
2 | 100 | 0 | 0 | 400 | 398 |
Lutz’s stingray Hypanus berthalutzae |
1 | 0 | 100 | 0 | 13 | 11 |
Shortfin mako shark Isurus oxyrinchus |
9 | 55.6 | 22.2 | 22.2 | 1034 | 1032 |
Longfin mako shark Isurus paucus |
1 | 100 | 0 | 0 | 115 | 94 |
Salmon shark Lamna ditropis |
10 | 70 | 0 | 30 | 1653 | 1655 |
Porbeagle shark Lamna nasus |
42 | 81 | 0 | 19 | 5066 | 5074 |
Broadnose sevengill shark Notorynchus cepedianus |
2 | 50 | 0 | 50 | 202 | 201 |
Reef manta ray Mobula alfredi |
36 | 36.1 | 16.7 | 47.2 | 2273 | 2246 |
Oceanic manta ray Mobula birostris |
11 | 9.1 | 54.5 | 36.4 | 510 | 582 |
Spinetail devil ray Mobula mobular |
1 | 0 | 0 | 100 | 67 | 68 |
Munk’s pygmy devil ray Mobula munkiana |
1 | 100 | 0 | 0 | 27 | 27 |
Sicklefin devil ray Mobula tarapacana |
5 | 100 | 0 | 0 | 189 | 177 |
Starry smooth-hound Mustelus asterias |
7 | 71.4 | 0 | 28.6 | 900 | 905 |
Blue shark Prionace glauca |
54 | 59.3 | 7.4 | 33.3 | 4176 | 4132 |
Common sawshark Pristophorus cirratus |
3 | 33.3 | 0 | 66.7 | 40 | 44 |
Pelagic stingray Pteroplatytrygon violacea |
1 | 100 | 0 | 0 | 47 | 50 |
Whale shark Rhincodon typus |
48 | 12.5 | 45.8 | 41.7 | 7902 | 7922 |
Greenland shark Somniosus microcephalus |
27 | 37 | 0 | 63 | 3380 | 2886 |
Scalloped hammerhead Sphyrna lewini |
15 | 20 | 26.7 | 53.3 | 441 | 456 |
Cuban dogfish Squalus cubensis |
1 | 100 | 0 | 0 | 13 | 13 |