Table 1. The number of lipid molecular species and relative percentage of each lipid class in Skipjack tuna

Lipid classes	Number of species	Relative percentage (%)
PC	53 (40 PC & 13 EtherPC)	16.02
LPC	38 (24 LPC & 14 EtherLPC )	16.29
PE	37 (32 PE & 5 EtherPE )	16.38
LPE	24 (15 LPE & 9 EtherLPE)	17.44
PI	8 (7 PI & 1 EtherPI)	2.53
PG	5	4.48
LPA	4	0.12
LPG	2	0.26
PA	1	0.02
DLCL	9	0.48
MLCL	3	0.05
LNAPE	1	0.03
Total PLs	185	74.10
SM	22	3.13
Cer	19	7.99
SHexCer	5	0.14
CerP	3	0.43
ST	3	0.61
Total SLs	52	12.30
DG	39 (6 DG & 33 EtherDG)	13.43
TG	23 (21 TG & 2 EtherTG)	0.17
Total GLs	62	13.60

LPC, lysophosphatidylcholine; LPE, lysophosphatidyl ethanolamine; PI, phosphatidyl inositol; LPG, lysophosphatidylglycerol, DLCL, dilysocardiolipin; MLCL, lysocardiolipin; LNAPE, N-acyl-lysophosphatidylethanolamine; PL, phospholipids; SHexCer, sulfatides hexosyl ceramide.