Table 1 The 10 most vulnerable exploited bivalve species

From: Diversity, distribution and intrinsic extinction vulnerability of exploited marine bivalves

Family

Species

Size

MB

GRA

TR

Feeding

Attachment

Mobility

Position

PERIL

Ostreidae

Crassostrea saidii Wong & Sigwart in Sigwart et al. 2021

84.9

2

12

2.5

suspension

attached

immobile

epifaunal

0.901

Pectinidae

Euvola marensis (Weisbord 1964)

86.9

25

1,868,127

7.2

suspension

unattached

mobile

infaunal*

0.685

Pectinidae

Leopecten stillmani (Dijkstra 1998)

84.6

55

44,344

14.5

suspension

unattached

mobile

epifaunal

0.680

Pectinidae

Euvola laurentii (Gmelin 1791)

101.0

9

3,218,016

9.1

suspension

unattached

mobile

infaunal*

0.654

Ostreidae

Saccostrea malabonensis (Faustino 1932)

58.0

0

463,159

7.1

suspension

attached

immobile

epifaunal

0.643

Veneridae

Ventricoloidea lyra (Hanley 1845)

39.9

1

23,439

5.2

suspension

unattached

mobile

infaunal

0.638

Pectinidae

Argopecten purpuratus (Lamarck 1819)

157.1

0

1,384,288

12.8

suspension

unattached

mobile

epifaunal

0.630

Pectinidae

Annachlamys kuhnholtzi (Bernardi 1860)

96.7

4

3,099,169

11.8

suspension

attached

mobile

epifaunal

0.626

Pectinidae

Equichlamys bifrons (Lamarck 1819)

132.5

1

1,009,489

14.6

suspension

unattached

mobile

epifaunal

0.617

Pectinidae

Aequipecten flabellum (Gmelin 1791)

74.1

1

3,410,268

12.4

suspension

attached

mobile

epifaunal

0.616

  1. Vulnerability was evaluated based on PERIL score and their biological traits, including shell size (Size, mm), minimum bathymetry (MB, m), geographic range area (GRA, km2), thermal range (TR, °C) and functional categories. Total ranges for these traits in Fig. 3 and for PERIL in Fig. 4a. The species included in the FAO Production Database is indicated in bold.
  2. *Euvola is a semi-infaunal genus, treated as infaunal for the binary classification used here.Â