Relative growth pattern

Sex-based difference

Measurement

Abbreviation

Sex

n

α

lnβ

Probability (p-value)

Positive

Isometric

Negative

α

lnβ

2

Tip of snout to blowhole

BH

Male

307

1.151

−2.855

**

Y

**

Female

412

1.174

−3.003

**

Y

3

Tip of snout to eye

Eye

Male

309

1.107

−2.418

**

Y

**

Female

412

1.122

−2.509

**

Y

4

Tip of snout to ear

Ear

Male

308

1.060

−1.827

**

Y

**

Female

412

1.085

−1.962

**

Y

5

Tip or snout to tip of flipper

FL

Male

307

1.008

−0.918

Y

**

Female

409

1.021

−1.042

Y

6

Notch of flukes to anus

An

Male

311

0.833

−0.208

**

Y

**

Female

413

0.818

−0.095

**

Y

7

Notch of flukes to genital aperture

GA

Male

311

0.832

0.044

**

Y

**

Female

410

0.852

−0.234

**

Y

8

Notch of flukes to umbilicus

Um

Male

310

0.905

−0.163

**

Y

**

Female

413

0.899

−0.121

**

Y

9

Notch of flukes to end of ventral grooves

EVG

Male

311

0.931

−0.387

**

Y

**

Female

413

0.934

−0.414

**

Y

10

Notch of flukes to tip of dorsal fin

DF

Male

303

0.893

−0.548

**

Y

**

**

Female

389

0.837

−0.152

**

Y

11

Dorsal fin, length at base

DFLB

Male

307

0.638

−0.490

**

Y

**

Female

404

0.723

−1.076

**

Y

12

Dorsal fin, height

DFH

Male

299

0.663

−1.257

**

Y

**

Female

386

0.679

−1.357

**

Y

13

Flukes, width tip to tip

FLW

Male

276

0.812

−0.073

**

Y

**

Female

353

0.822

−0.136

**

Y

14

Flukes, depth

FLD

Male

311

0.817

−1.511

**

Y

**

Female

414

0.820

−1.530

**

Y

15

Flipper, tip to anterior insertion

FTA

Male

305

0.962

−1.718

Y

**

Female

406

0.955

−1.673

*

Y

16

Flipper, tip to posterior insertion

FTP

Male

306

0.945

−2.033

*

Y

**

Female

409

0.956

−2.108

*

Y

17

Flipper, maximum width

FW

Male

307

0.955

−3.297

*

Y

**

Female

408

0.912

−2.995

**

Y

18

Skull length: tip of premaxilla to occipital condyle

SKL

Male

286

1.059

−1.818

**

Y

**

Female

388

1.074

−1.914

**

Y

19

Greatest width of skull

SKW

Male

283

1.108

−2.911

**

Y

**

Female

375

1.075

−2.670

**

Y