Contribution to the Taxonomy and Distribution of Six Shark Species (Chondrichthyes, Elasmobranchii) from the Gulf of Thailand

Table 6

Measurements of Sphyrna lewini, ZMH 25680. Weight: 500 g, sex: female.

Measurement	[mm]	[%TL]
TL, total length	513	100.0
FOR, fork length	384	74.9
PRC, precaudal length	345	67.3
PD2, pre-D2-length	300	58.5
PD1, pre-D1-length	140	27.3
HDL, head length	118	23.0
PG1, prebranchial length	91	17.7
PDP, prespiracular length	—	—
POB, preorbital length	30	5.8
PP1, prepectoral length	112	21.8
PP2, prepelvic length	230	44.8
SVL, snout—anterior vent length	240	46.8
PAL, preanal fin length	285	55.6
IDS, interdorsal space	115	22.4
DCS, dorsal (D2)—caudal space	37	7.2
PPS, pectoral—pelvic space	98	19.1
PAS, pelvic—anal space	33	6.4
ACS, anal—caudal space	31	6.0
PCA, pelvic—caudal space	87	17.0
VCL, anterior vent—caudal tip l.	271	52.8
PRN, prenarial length	23	4.5
POR, preoral length	36	7.0
EYL, eye length	11.5	2.2
EYH, eye height	12.5	2.4
ING, intergill length 1st to last slit	29	5.7
GS1, 1st gill slit height (unspread)	14	2.7
GS2, 2nd gill slit height	15	2.9
GS3, 3rd gill slit height	17	3.3
GS4, 4th gill slit height	15	2.9
GS5, 5th gill slit height	13	2.5
P1A, pectoral anterior margin l.	63	12.3
P1B, pectoral base length	25	4.9
P1I, pectoral inner margin length	21	4.1
P1P, pectoral posterior margin length	39	7.6
P1H, pectoral height (base end to tip)	52	10.1
P1L, pec. length (ant. base to post. tip)	44	8.6
SOD, subocular pocket depth	3	0.6
CDM, dorsal caudal margin length	164	32.0
CPV, preventral caudal margin length	60	11.7
CPU, upper postventral C margin l.	99	19.3
CPL, lower postventral C margin l.	22	4.3
CFW, caudal fork width	39	7.6
CFL, caudal fork length	40	7.8
CST, subterminal C margin length	15	2.9
CSW, subterminal caudal width	12.5	2.4
CTR, terminal caudal margin length	21.5	4.2
CTL, terminal caudal lobe length	30	5.8
D1L, D1 total length	73	14.2
D1A, D1 anterior margin length	88	17.2
D1B, D1 base length	57.5	11.2
D1H, D1 vertical height	56	10.9
D1I, D1 inner margin length	18	3.5
D1P, D1 posterior margin length	45	8.8
D2L, D2 total length	46	9.0
D2A, D2 anterior margin length	24	4.7
D2B, D2 base length	21	4.1
D2H, D2 vertical height	11.5	2.2
D2I, D2 inner margin length	25	4.9
D2P, D2 posterior margin length	25	4.9
P2L, pelvic total length	42	8.2
P2A, pelvic anterior margin length	33	6.4
P2B, pelvic base length	27	5.3
P2H, pelvic height = max. width	25.5	5.0
P2I, pelvic inner margin length	16.5	3.2
P2P, pelvic posterior margin length	25	4.9
ANL, anal fin total length	49	9.6
ANA, anal fin anterior margin length	31	6.0
ANB, anal fin base length	29.5	5.8
ANH, anal fin vertical height	18	3.5
ANI, anal fin inner margin length	21	4.1
ANP, anal fin posterior margin l.	24	4.7
HDH, head height at P origin	52	10.1
TRH, trunk height at P base end	60	11.7
ABH, abdomen height at D1B end	67	13.1
TAH, tail height at pelvic base end	49	9.6
CPH, caudal peduncle height	23	4.5
DPI, D1 midpoint—pectoral base end	20	3.9
DPO, D1 midpoint—pelvic origin	58	11.3
PDI, pelvic midpoint—D1 base end	47	9.2
PDO, pelvic midpoint—D2 origin	57	11.1
DAO, D2 origin—anal fin origin	14	2.7
DAI, D2 base end—anal base end	2	0.4
MOL, mouth length (arc radius)	17	3.3
MOW, mouth width	31.5	6.1
ULA, upper labial furrow length	—	—
LLA, lower labial furrow length	2	0.4
NOW, nostril width	11	2.1
INW, internarial width	93	18.1
ANF, anterior nasal flap length	—	—
INO, interorbital space, “bony”	125	24.4
SPL, spiracle length	—	—
ESL, eye—spiracle space	—	—
HDW, head width at middle gill slits	43	8.4
TRW, trunk width at P base ends	47	9.2
ABW, abdomen width at D1B end	38	7.4
TAW, tail width at pelvic base ends	33	6.4
CPW, C peduncle width at C origin	17	3.3
CLO, clasper outer margin length	—	—
CLI, clasper inner margin length	—	—
CLB, clasper base width	—	—
Barbel length	—	—
Width of cephalofoil	132	25.7