First autonomous recording of in situ dissolved oxygen from free-ranging fish

Table 1 Summary of DO-PAT deployments on bluntnose sixgill sharks (Hexanchus griseus)

Shark ID	Sex	TL (cm)	Tagging date	Pop-up date	Pop-up location	Distance (km)	Max depth (m)	Temperature range (°C)^a	O ^S₂ range (%)^b
HG1	M	317	8 Sep 2014	12 Sep 2014	21.56°N, 157.43°W	36.84	693	5.6–18.2	12.5–84.7
HG2	F	425	7 Nov 2014	11 Nov 2014	21.37°N, 157.63°W	18.65	687	5.05–17.95	9.4–77.3

TL total length, distance straight-line distance between tagging and pop-up location, O ^S₂ oxygen saturation
^aRefers to temperature range regularly utilized by the sharks. Maximum temperature experienced by the tags ranged from 26.5 to 27.3 °C at the sea surface
^bRefers to oxygen saturation range regularly utilized by the sharks. Maximum oxygen saturation experienced by the tags ranged from 100 to 104.7 % at the sea surface

ISSN: 2050-3385