Table 1.

The Reynolds number ranges of various aquatic organisms and typical AUVs.

Biological Species	Reynolds Number	Reference	AUV Models	Reynolds Number	Reference
American eel	1006	[12]	Pirajuba	3.5 × 106	[13]
Bluegill sunfish	1440	[14]	Spray	4 × 105–6 × 105	[15]
Yellowfin tuna	1.9 × 104	[12]	Slocum	5.2 × 105–7.5 × 105	[16]
Cownose ray	105	[17]	Seaglider	4.9 × 105	[18]
Scomber scombrus	3.2 × 105	[19]	SeaExplorer	4.9 × 105–9.9 × 105	[16]
Manta ray	5.1 × 105	[20]	Petrel-II	7.2 × 105–1.8 × 106	[21]
Greenland shark	106	[22]	Petrel-L	7.7 × 105	[23]
longfin inshore squid	4.4 × 105–1.5 × 106	[24]	Petrel-4000	1.2 × 106	[25]
Basking shark	6.9 × 106	[26]	ALBAC	7 × 105–1.4 × 106	[27]
Humpback whale	8.8 × 106	[7]	Miniature	5.5 × 104	[28]
Dolphin	2.3 × 106–1.6 × 107	[29]	ALEX	9.9 × 104–4.9 × 105	[30]