61:
40:
239:) and sometimes these clams are known as razor shells or jackknives. The shells in these species are fragile and can easily be damaged when digging for these clams.
258:. The clam then tries to escape the salt by coming up out of its hole, and at this point it is possible to gently grab the shell and pull it out of the ground.
400:
272:
207:, for the spouts of water they eject while burrowing into the sand, when visible at low tide. This term may also colloquially include members of the genus
410:
311:
341:
1581:
371:
1620:
361:
520:
1555:
1594:
139:
1599:
250:
species live in clean sand on exposed beaches. They are capable of digging very rapidly; see the description under the
1659:
451:
1625:
391:
303:
1607:
513:
474:"A REPORT ON ELECTRICAL FISHING FOR RAZOR CLAMS (ENSIS SP.) AND ITS LIKELY EFFECTS ON THE MARINE ENVIRONMENT"
1521:
1516:
1316:
1664:
1105:
1080:
439:
1441:
1137:
893:
506:
60:
1692:
1398:
1301:
976:
887:
699:
641:
552:
251:
1651:
1456:
1391:
1037:
1004:
604:
20:
1586:
231:
The shells are long, narrow, and parallel-sided. This shape resembles a closed, old-fashioned
1646:
1351:
1327:
1311:
882:
870:
757:
473:
1638:
1503:
1032:
935:
860:
732:
694:
631:
567:
8:
1346:
1132:
1052:
955:
945:
930:
925:
834:
826:
821:
689:
609:
599:
557:
55:
254:. Some clammers catch jackknives by pouring salt on the characteristic keyhole-shaped
1687:
1633:
1529:
1384:
1361:
1278:
1164:
1121:
1115:
1086:
1075:
811:
806:
742:
737:
594:
1534:
1273:
1225:
1175:
1169:
1110:
1047:
940:
876:
676:
583:
185:
1494:
1057:
1042:
1027:
1022:
626:
615:
209:
1612:
1479:
1425:
1415:
1356:
1306:
1296:
1200:
971:
950:
865:
801:
781:
282:
232:
1508:
1681:
1420:
1321:
1214:
1207:
1127:
999:
994:
796:
791:
786:
752:
704:
684:
387:
381:
299:
175:
1430:
1067:
589:
331:
236:
215:
1568:
1488:
1233:
960:
840:
816:
747:
727:
709:
646:
621:
351:
321:
293:
1560:
1265:
1191:
908:
577:
196:
112:
1573:
1542:
1238:
1181:
1156:
762:
651:
572:
72:
1450:
1547:
1473:
535:
200:
188:
122:
102:
92:
498:
1288:
1256:
917:
852:
665:
562:
181:
178:
965:
438:
S. Gofas (2010). P. Bouchet, S. Gofas & G. Rosenberg (ed.).
1375:
1014:
773:
719:
636:
82:
1338:
1147:
1097:
986:
167:
471:
39:
544:
171:
472:
Breen, Mike; Trevor Howe; Phil
Copland (February 2011).
1679:
483:. Marine Scotland Science Marine Laboratory: 11
514:
235:(a cut-throat razor), or a closed jackknife (
266:Thirteen species are currently recognised:
521:
507:
38:
437:
433:
431:
1680:
1455:
1454:
502:
481:Marine Scotland Science Report 03/11
465:
428:
223:due to their slightly curved shell.
528:
13:
405:(Vierna & Martínez-Lage, 2012)
14:
1704:
170:of medium-sized edible saltwater
452:World Register of Marine Species
59:
448:World Marine Mollusca database
226:
1:
421:
415:(Hertlein & Strong, 1955)
346:(Pilsbry & McGinty, 1943)
7:
10:
1709:
261:
242:
18:
1463:
1439:
1408:
1374:
1337:
1287:
1264:
1255:
1224:
1190:
1155:
1146:
1096:
1066:
1023:Black-foot opihi/Hawaiian
1013:
985:
916:
907:
851:
772:
718:
675:
543:
534:
289:– Atlantic jackknife clam
152:
147:
56:Scientific classification
54:
46:
37:
30:
894:Placopecten magellanicus
738:New Zealand green-lipped
1399:Acanthopleura granulata
968:(group of four species)
252:Atlantic jackknife clam
199:, are known in much of
1392:Acanthopleura echinata
1302:Atlantic white-spotted
753:Asian/Philippine green
21:Ensis (disambiguation)
1647:Paleobiology Database
1328:Amphioctopus fangsiao
972:South African abalone
844:("true oyster" genus)
610:California butterclam
1053:Ribbed Mediterranean
568:Grooved carpet shell
19:For other uses, see
1048:Rayed Mediterranean
642:Japanese littleneck
401:Ensis terranovensis
1421:Land snail farming
835:Gillardeau oysters
553:Atlantic jackknife
336:(Schumacher, 1817)
273:Ensis californicus
1675:
1674:
1634:Open Tree of Life
1457:Taxon identifiers
1448:
1447:
1426:Gastropod anatomy
1385:Chiton magnificus
1370:
1369:
1347:New Zealand arrow
1251:
1250:
1247:
1246:
1122:Kelletia lischkei
1087:Littorina sitkana
1033:Yellow-foot opihi
903:
902:
797:Colchester native
444:Schumacher, 1817"
416:
406:
395:
377:
367:
357:
347:
337:
327:
317:
307:
288:
278:
159:
158:
143:
16:Genus of bivalves
1700:
1668:
1667:
1655:
1654:
1642:
1641:
1629:
1628:
1616:
1615:
1613:NBNSYS0000175129
1603:
1602:
1590:
1589:
1577:
1576:
1564:
1563:
1551:
1550:
1538:
1537:
1525:
1524:
1512:
1511:
1499:
1498:
1497:
1484:
1483:
1482:
1452:
1451:
1262:
1261:
1176:Chorus giganteus
1153:
1152:
914:
913:
877:Pecten jacobaeus
584:Mactra stultorum
541:
540:
523:
516:
509:
500:
499:
493:
492:
490:
488:
478:
469:
463:
462:
460:
458:
435:
414:
411:Ensis tropicalis
404:
385:
375:
365:
355:
345:
335:
325:
315:
297:
286:
276:
138:
64:
63:
42:
28:
27:
1708:
1707:
1703:
1702:
1701:
1699:
1698:
1697:
1678:
1677:
1676:
1671:
1663:
1658:
1650:
1645:
1637:
1632:
1624:
1619:
1611:
1606:
1598:
1593:
1585:
1580:
1572:
1567:
1559:
1554:
1546:
1541:
1533:
1528:
1520:
1515:
1507:
1502:
1493:
1492:
1487:
1478:
1477:
1472:
1459:
1449:
1444:
1435:
1431:Bivalve anatomy
1404:
1366:
1352:Japanese flying
1333:
1283:
1243:
1220:
1186:
1142:
1092:
1062:
1043:Common European
1009:
981:
899:
883:Peruvian calico
847:
768:
765:(mussel family)
714:
671:
616:Senilia senilis
530:
529:Edible mollusks
527:
497:
496:
486:
484:
476:
470:
466:
456:
454:
436:
429:
424:
419:
376:(Clessin, 1888)
316:(Clessin, 1888)
312:Ensis goreensis
264:
256:breathing holes
245:
229:
137:
58:
24:
17:
12:
11:
5:
1706:
1696:
1695:
1693:Bivalve genera
1690:
1673:
1672:
1670:
1669:
1656:
1643:
1630:
1617:
1604:
1591:
1578:
1565:
1552:
1539:
1526:
1513:
1500:
1485:
1469:
1467:
1461:
1460:
1446:
1445:
1440:
1437:
1436:
1434:
1433:
1428:
1423:
1418:
1416:Oyster farming
1412:
1410:
1409:Related topics
1406:
1405:
1403:
1402:
1395:
1388:
1380:
1378:
1372:
1371:
1368:
1367:
1365:
1364:
1359:
1354:
1349:
1343:
1341:
1335:
1334:
1332:
1331:
1324:
1319:
1314:
1309:
1304:
1299:
1293:
1291:
1285:
1284:
1282:
1281:
1276:
1270:
1268:
1259:
1253:
1252:
1249:
1248:
1245:
1244:
1242:
1241:
1236:
1230:
1228:
1222:
1221:
1219:
1218:
1211:
1204:
1201:Cornu aspersum
1196:
1194:
1188:
1187:
1185:
1184:
1179:
1172:
1167:
1161:
1159:
1150:
1144:
1143:
1141:
1140:
1135:
1130:
1125:
1118:
1113:
1108:
1102:
1100:
1094:
1093:
1091:
1090:
1083:
1078:
1072:
1070:
1064:
1063:
1061:
1060:
1055:
1050:
1045:
1040:
1035:
1030:
1025:
1019:
1017:
1011:
1010:
1008:
1007:
1002:
997:
991:
989:
983:
982:
980:
979:
974:
969:
963:
958:
953:
948:
943:
938:
933:
928:
922:
920:
911:
905:
904:
901:
900:
898:
897:
890:
885:
880:
873:
868:
863:
857:
855:
849:
848:
846:
845:
837:
832:
824:
819:
814:
809:
804:
799:
794:
789:
784:
778:
776:
770:
769:
767:
766:
760:
755:
750:
745:
740:
735:
730:
724:
722:
716:
715:
713:
712:
710:Giant Atlantic
707:
702:
697:
692:
687:
681:
679:
673:
672:
670:
669:
662:
654:
649:
644:
639:
634:
632:Triangle shell
629:
624:
619:
612:
607:
602:
597:
592:
587:
580:
575:
570:
565:
560:
555:
549:
547:
538:
532:
531:
526:
525:
518:
511:
503:
495:
494:
464:
426:
425:
423:
420:
418:
417:
407:
397:
378:
368:
358:
348:
342:Ensis megistus
338:
328:
326:(Molina, 1782)
318:
308:
290:
287:(Conrad, 1843)
283:Ensis directus
279:
268:
263:
260:
244:
241:
233:straight razor
228:
225:
157:
156:
150:
149:
145:
144:
130:
126:
125:
120:
116:
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110:
106:
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96:
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65:
52:
51:
44:
43:
35:
34:
15:
9:
6:
4:
3:
2:
1705:
1694:
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1689:
1686:
1685:
1683:
1666:
1661:
1657:
1653:
1648:
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1635:
1631:
1627:
1622:
1618:
1614:
1609:
1605:
1601:
1596:
1592:
1588:
1583:
1579:
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1570:
1566:
1562:
1557:
1553:
1549:
1544:
1540:
1536:
1531:
1527:
1523:
1518:
1514:
1510:
1505:
1501:
1496:
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1481:
1475:
1471:
1470:
1468:
1466:
1462:
1458:
1453:
1443:
1438:
1432:
1429:
1427:
1424:
1422:
1419:
1417:
1414:
1413:
1411:
1407:
1401:
1400:
1396:
1394:
1393:
1389:
1387:
1386:
1382:
1381:
1379:
1377:
1373:
1363:
1360:
1358:
1355:
1353:
1350:
1348:
1345:
1344:
1342:
1340:
1336:
1330:
1329:
1325:
1323:
1320:
1318:
1315:
1313:
1312:Pacific giant
1310:
1308:
1305:
1303:
1300:
1298:
1295:
1294:
1292:
1290:
1286:
1280:
1277:
1275:
1272:
1271:
1269:
1267:
1263:
1260:
1258:
1254:
1240:
1237:
1235:
1232:
1231:
1229:
1227:
1223:
1217:
1216:
1215:Helix pomatia
1212:
1210:
1209:
1208:Helix lucorum
1205:
1203:
1202:
1198:
1197:
1195:
1193:
1189:
1183:
1180:
1178:
1177:
1173:
1171:
1168:
1166:
1163:
1162:
1160:
1158:
1154:
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1149:
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1139:
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1134:
1131:
1129:
1126:
1124:
1123:
1119:
1117:
1114:
1112:
1109:
1107:
1104:
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1082:
1079:
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1074:
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1071:
1069:
1065:
1059:
1056:
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1039:
1036:
1034:
1031:
1029:
1026:
1024:
1021:
1020:
1018:
1016:
1012:
1006:
1003:
1001:
998:
996:
993:
992:
990:
988:
984:
978:
975:
973:
970:
967:
964:
962:
959:
957:
954:
952:
949:
947:
944:
942:
939:
937:
934:
932:
929:
927:
924:
923:
921:
919:
915:
912:
910:
906:
896:
895:
891:
889:
886:
884:
881:
879:
878:
874:
872:
869:
867:
864:
862:
859:
858:
856:
854:
850:
843:
842:
838:
836:
833:
831:
829:
828:Ostra chilena
825:
823:
820:
818:
815:
813:
810:
808:
805:
803:
800:
798:
795:
793:
790:
788:
785:
783:
780:
779:
777:
775:
771:
764:
761:
759:
756:
754:
751:
749:
746:
744:
741:
739:
736:
734:
733:Mediterranean
731:
729:
726:
725:
723:
721:
717:
711:
708:
706:
703:
701:
698:
696:
693:
691:
688:
686:
683:
682:
680:
678:
674:
668:
667:
663:
661:(razor genus)
660:
659:
655:
653:
650:
648:
645:
643:
640:
638:
635:
633:
630:
628:
625:
623:
620:
618:
617:
613:
611:
608:
606:
603:
601:
600:Pacific razor
598:
596:
593:
591:
588:
586:
585:
581:
579:
576:
574:
571:
569:
566:
564:
561:
559:
558:Atlantic surf
556:
554:
551:
550:
548:
546:
542:
539:
537:
533:
524:
519:
517:
512:
510:
505:
504:
501:
482:
475:
468:
453:
449:
445:
443:
434:
432:
427:
413:
412:
408:
403:
402:
398:
393:
389:
384:
383:
382:Ensis siliqua
379:
374:
373:
372:Ensis nitidus
369:
366:(Berry, 1954)
364:
363:
359:
356:(Chenu, 1843)
354:
353:
349:
344:
343:
339:
334:
333:
329:
324:
323:
319:
314:
313:
309:
305:
301:
296:
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291:
285:
284:
280:
275:
274:
270:
269:
267:
259:
257:
253:
249:
240:
238:
234:
224:
222:
219:are known as
218:
217:
212:
211:
206:
202:
198:
194:
190:
187:
183:
180:
177:
173:
169:
165:
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155:
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146:
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136:
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118:
117:
114:
111:
108:
107:
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101:
98:
97:
94:
91:
88:
87:
84:
81:
78:
77:
74:
71:
68:
67:
62:
57:
53:
49:
45:
41:
36:
33:
29:
26:
22:
1464:
1397:
1390:
1383:
1326:
1317:Southern red
1213:
1206:
1199:
1174:
1148:Other snails
1120:
1085:
892:
875:
861:Atlantic bay
839:
827:
792:Southern mud
664:
657:
656:
614:
595:Ocean quahog
582:
485:. Retrieved
480:
467:
455:. Retrieved
447:
441:
409:
399:
380:
370:
360:
350:
340:
332:Ensis magnus
330:
320:
310:
292:
281:
277:(Dall, 1899)
271:
265:
255:
247:
246:
237:pocket knife
230:
220:
216:Ensis magnus
214:
208:
204:
192:
162:
161:
160:
153:
142:, 1817
133:
132:
47:
31:
25:
1569:iNaturalist
1489:Wikispecies
1362:Neon flying
1068:Periwinkles
1028:Turtle/talc
961:Green ormer
871:New Zealand
841:Crassostrea
822:Sydney rock
700:New Zealand
622:Smooth clam
590:Blunt gaper
396:– pod razor
362:Ensis myrae
352:Ensis minor
322:Ensis macha
294:Ensis ensis
227:Description
197:razor clams
1682:Categories
1279:Bottletail
1266:Cuttlefish
1226:Freshwater
1170:Korean mud
1133:Pear whelk
909:Gastropods
866:Great/king
812:Windowpane
807:Portuguese
743:California
647:Razor clam
627:Soft-shell
487:24 January
422:References
140:Schumacher
113:Adapedonta
1274:Spineless
1138:Lightning
1106:Channeled
763:Mytilidae
652:Pod razor
573:Hard clam
457:April 26,
154:See text
79:Kingdom:
73:Eukaryota
1688:Pharidae
1480:Q2706031
1474:Wikidata
1442:Category
1357:Humboldt
1307:Big blue
1165:Mud-flat
1116:Kellet's
956:Greenlip
951:Blacklip
853:Scallops
536:Bivalves
388:Linnaeus
300:Linnaeus
201:Scotland
189:Pharidae
182:molluscs
176:littoral
148:Species
123:Pharidae
119:Family:
103:Bivalvia
93:Mollusca
89:Phylum:
83:Animalia
69:Domain:
1587:1027078
1561:2287246
1376:Chitons
1289:Octopus
1257:Inkfish
1239:Nerites
1128:Knobbed
1015:Limpets
1000:Elegant
987:Conches
977:Chilean
918:Abalone
802:Pacific
787:Olympia
782:Eastern
774:Oysters
720:Mussels
677:Cockles
666:Paphies
563:Geoduck
262:Species
243:Ecology
221:bendies
184:in the
179:bivalve
129:Genus:
109:Order:
99:Class:
1665:138333
1639:721804
1574:116493
1548:1ENSSG
1522:326828
1297:Common
1182:Bailer
1111:Common
1098:Whelks
1081:Banded
1076:Common
1058:Rustic
830:/Bluff
705:Sydney
695:Goolwa
685:Common
637:Tuatua
205:spoots
186:family
1660:WoRMS
1652:17612
1600:81021
1582:IRMNG
1535:7NYRR
1509:Ensis
1495:Ensis
1465:Ensis
1339:Squid
1322:Mimic
1234:Apple
1038:China
995:Queen
941:Green
936:Black
926:White
888:Yesso
748:Brown
690:Blood
658:Ensis
605:Venus
578:Horse
545:Clams
477:(PDF)
442:Ensis
248:Ensis
210:Solen
195:, or
193:Ensis
172:clams
168:genus
166:is a
163:Ensis
134:Ensis
48:Ensis
32:Ensis
1626:6586
1621:NCBI
1595:ITIS
1556:GBIF
1543:EPPO
1517:BOLD
1192:Land
966:Pāua
946:Pink
817:Rock
758:Date
728:Blue
489:2014
459:2010
392:1758
304:1758
50:sp.
1608:NBN
1530:CoL
1504:ADW
1157:Sea
1005:Dog
931:Red
203:as
1684::
1662::
1649::
1636::
1623::
1610::
1597::
1584::
1571::
1558::
1545::
1532::
1519::
1506::
1491::
1476::
479:.
450:.
446:.
430:^
390:,
302:,
213:.
191:.
174:,
522:e
515:t
508:v
491:.
461:.
440:"
394:)
386:(
306:)
298:(
23:.
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