Table 5. Summary of dB differences estimates by this study and previous studies for euphausiids and copepods

Species	dB differences (kHz)	Range of differences (dB)	Reference
Euphausia pacifica	200–38	11.0–17.8	This study
	200–70	3.3–8.8
	200–120	–0.9–2.9
	120–38	11.9–14.9
	120–70	4.2–5.9
	70–38	7.8–9.0
Euphausia pacifica	120–38	13.9–17.6	Kim et al. (2018)
	120–38	11.6–15.3	Kang et al. (2002)
	120–38	11.9–19.7	Kang et al. (2002)
	120–38	6.0–20.0	Kim et al. (2018)
	200–38	6.0–29.0
	200–120	–4.0–9.0
Copepods	200–38	11.0–17.8	This study
	200–70	3.3–8.8
	200–120	–0.9–2.9
	120–38	11.9–14.9
	120–70	4.2–5.9
	120–38	13.7–17.3	Murase et al. (2009)
	120–38	17.0–20.0	Kim et al. (2018)
	200–38	22.0–29.0
	200–120	5.0–9.0