416:
1217:
113:
903:
88:
1034:
44:
1044:
311:
297:
Protanguillidae is a sister group to all other eels. They are monophyletic, yet also strongly synapomorphic with all other eel species. Molecular analysis shows that all other eels are also monophyletic, showing that they may have broken off directly from the
Protanguillidae. For this reason it is
316:
313:
312:
474:
Springer, V. G. (2015). The Gill-Arch
Musculature of Protanguilla, the Morphologically Most Primitive Eel (Teleostei: Anguilliformes), Compared with That of Other Putatively Primitive Extant Eels and Other Elopomorphs, 103(2), 595–620. doi:
315:
515:
314:
343:. It is very different from all other living eels, and scientists estimate it must have diverged from the others around 200 million years ago, during the
1150:
1277:
1258:
1163:
1124:
591:
1287:
1251:
1168:
1189:
381:
1297:
1047:
17:
1292:
1302:
1244:
112:
453:
1194:
902:
415:
584:
56:
532:
377:"A 'living fossil' eel (Anguilliformes: Protanguillidae, fam nov) from an undersea cave in Palau"
1102:
1064:
1155:
225:
1181:
519:
491:
430:
8:
577:
77:
399:
376:
107:
1232:
1176:
1111:
848:
404:
1009:
967:
698:
448:
394:
386:
348:
275:
1116:
1087:
1003:
778:
262:
323:
The body is very small and slender, about 18 cm long. The eel has a second
1228:
1224:
770:
630:
336:
286:. Individuals were found swimming in March 2010 in a deep underwater cave in a
154:
92:
564:
1282:
1271:
1037:
992:
677:
439:
352:
299:
287:
97:
1216:
936:
931:
885:
861:
832:
786:
762:
408:
390:
344:
340:
1137:
1096:
977:
946:
869:
840:
824:
805:
690:
636:
375:
Johnson, G. D.; Ida H.; Sakaue J.; Sado T.; Asahida T.; Miya M. (2012).
1129:
987:
972:
921:
746:
733:
706:
624:
332:
324:
1142:
982:
877:
754:
714:
331:, features previously found only in fossilised eels. Its full set of
328:
124:
43:
1058:
1081:
941:
618:
495:
347:. It thus has not only its own species, but also its own genus and
144:
62:
52:
1015:
254:
951:
612:
134:
998:
926:
374:
291:
266:
339:
has never previously been found in an eel, but is common in
422:
600:
258:
164:
351:, as well, and has been referred to by scientists as a "
569:
492:"New Pacific eel is a 'living fossil', scientists say"
274:(first eel), which is in turn the only genus in its
533:"Scientists discover the most primitive living eel"
454:
10.2305/IUCN.UK.2022-2.RLTS.T103707334A103708468.en
428:
1269:
429:McCosker, J.; Tighe, K.; Smith, D. G. (2022).
1252:
585:
489:
1259:
1245:
592:
578:
516:'Fossil eel' squirms into the record books
86:
42:
525:
452:
398:
241:G. D. Johnson, H. Ida & Sakaue, 2012
67:(c,d) head in lateral and ventral view;
468:
14:
1270:
1063:
1062:
573:
485:
483:
481:
205:G.D. Johnson, H. Ida & Miya, 2012
189:G.D. Johnson, H. Ida & Miya, 2012
1278:IUCN Red List data deficient species
1211:
1043:
370:
368:
440:IUCN Red List of Threatened Species
24:
478:
309:
305:
25:
1314:
558:
365:
1215:
1042:
1033:
1032:
901:
414:
382:Proceedings of the Royal Society
111:
490:Rincon, Paul (17 August 2011).
509:
385:. (in press) (1730): 934–943.
13:
1:
358:
1231:. You can help Knowledge by
7:
71:(f,g) stained body scales.
10:
1319:
1210:
447:: e.T103707334A103708468.
284:Palauan primitive cave eel
1288:Fish of the Pacific Ocean
1071:
1028:
960:
914:
910:
899:
860:
817:
798:
745:
726:
689:
670:
654:
645:
607:
231:
224:
108:Scientific classification
106:
84:
75:
50:
41:
34:
599:
1298:Fish described in 2012
391:10.1098/rspb.2011.1289
320:
1293:Monotypic fish genera
319:
282:. Its common name is
65:, juvenile, 65 mm SL;
1303:Anguilliformes stubs
851:(Bobtail snipe eels)
647:Families by suborder
520:Agence France-Presse
78:Conservation status
678:Synaphobranchidae
671:Synaphobranchoidei
433:Protanguilla palau
321:
250:Protanguilla palau
235:Protanguilla palau
69:(e) gill opening;
1240:
1239:
1205:
1204:
1177:Open Tree of Life
1065:Taxon identifiers
1056:
1055:
1024:
1023:
897:
896:
889:
881:
873:
872:(Freshwater eels)
852:
844:
836:
833:Saccopharyngidae
828:
818:Saccopharyngoidei
809:
790:
782:
774:
766:
758:
737:
718:
710:
702:
699:Heterenchelyidae
681:
522:, 16 August 2011.
475:10.1643/CI-14-152
317:
290:off the coast of
246:
245:
206:
190:
101:
55:, female, 176 mm
16:(Redirected from
1310:
1261:
1254:
1247:
1219:
1212:
1198:
1197:
1185:
1184:
1172:
1171:
1159:
1158:
1146:
1145:
1133:
1132:
1120:
1119:
1107:
1106:
1105:
1092:
1091:
1090:
1060:
1059:
1046:
1045:
1036:
1035:
1010:Sina and the Eel
968:Eel life history
912:
911:
905:
887:
879:
871:
850:
842:
834:
826:
825:Eurypharyngidae
808:(Spaghetti eels)
807:
788:
780:
779:Nettastomatidae
772:
764:
756:
735:
716:
708:
700:
680:(Cutthroat eels)
679:
655:Protanguilloidei
652:
651:
648:
594:
587:
580:
571:
570:
549:
548:
546:
544:
529:
523:
513:
507:
506:
504:
502:
487:
476:
472:
466:
465:
463:
461:
456:
426:
420:
419:
418:
412:
402:
372:
337:branchial arches
318:
237:
204:
188:
175:Protanguilloidei
116:
115:
95:
90:
89:
46:
32:
31:
21:
1318:
1317:
1313:
1312:
1311:
1309:
1308:
1307:
1268:
1267:
1266:
1265:
1208:
1206:
1201:
1193:
1188:
1180:
1175:
1167:
1162:
1154:
1149:
1141:
1136:
1128:
1123:
1115:
1110:
1101:
1100:
1095:
1086:
1085:
1080:
1067:
1057:
1052:
1020:
956:
906:
893:
888:(Sawtooth eels)
886:Serrivomeridae
856:
813:
794:
781:(Duckbill eels)
771:Muraenesocidae
765:(Longneck eels)
741:
722:
685:
666:
662:Protanguillidae
646:
641:
603:
598:
561:
555:
553:
552:
542:
540:
531:
530:
526:
514:
510:
500:
498:
488:
479:
473:
469:
459:
457:
427:
423:
413:
373:
366:
361:
310:
308:
306:Characteristics
280:Protanguillidae
242:
239:
233:
220:
203:
187:
185:Protanguillidae
110:
102:
91:
87:
80:
70:
68:
66:
60:
28:
27:Genus of fishes
23:
22:
18:Protanguillidae
15:
12:
11:
5:
1316:
1306:
1305:
1300:
1295:
1290:
1285:
1280:
1264:
1263:
1256:
1249:
1241:
1238:
1237:
1225:Anguilliformes
1220:
1203:
1202:
1200:
1199:
1186:
1173:
1160:
1147:
1134:
1121:
1108:
1093:
1077:
1075:
1069:
1068:
1054:
1053:
1051:
1050:
1040:
1029:
1026:
1025:
1022:
1021:
1019:
1018:
1013:
1006:
1001:
996:
990:
985:
980:
975:
970:
964:
962:
961:Related topics
958:
957:
955:
954:
949:
944:
939:
934:
929:
924:
918:
916:
908:
907:
900:
898:
895:
894:
892:
891:
883:
878:Nemichthyidae
875:
866:
864:
858:
857:
855:
854:
846:
841:Monognathidae
838:
830:
827:(Pelican eels)
821:
819:
815:
814:
812:
811:
802:
800:
796:
795:
793:
792:
784:
776:
773:(Pike congers)
768:
763:Derichthyidae
760:
751:
749:
743:
742:
740:
739:
736:(False morays)
730:
728:
724:
723:
721:
720:
712:
707:Myrocongridae
704:
695:
693:
687:
686:
684:
683:
674:
672:
668:
667:
665:
664:
658:
656:
649:
643:
642:
640:
639:
633:
631:Actinopterygii
627:
621:
615:
608:
605:
604:
597:
596:
589:
582:
574:
568:
567:
560:
559:External links
557:
551:
550:
537:eurekalert.org
524:
508:
477:
467:
421:
363:
362:
360:
357:
307:
304:
244:
243:
240:
229:
228:
222:
221:
214:
212:
208:
207:
196:
192:
191:
182:
178:
177:
172:
168:
167:
165:Anguilliformes
162:
158:
157:
155:Actinopterygii
152:
148:
147:
142:
138:
137:
132:
128:
127:
122:
118:
117:
104:
103:
93:Data Deficient
85:
82:
81:
76:
73:
72:
48:
47:
39:
38:
26:
9:
6:
4:
3:
2:
1315:
1304:
1301:
1299:
1296:
1294:
1291:
1289:
1286:
1284:
1281:
1279:
1276:
1275:
1273:
1262:
1257:
1255:
1250:
1248:
1243:
1242:
1236:
1234:
1230:
1227:article is a
1226:
1221:
1218:
1214:
1213:
1209:
1196:
1191:
1187:
1183:
1178:
1174:
1170:
1165:
1161:
1157:
1152:
1148:
1144:
1139:
1135:
1131:
1126:
1122:
1118:
1113:
1109:
1104:
1098:
1094:
1089:
1083:
1079:
1078:
1076:
1074:
1070:
1066:
1061:
1049:
1041:
1039:
1031:
1030:
1027:
1017:
1014:
1012:
1011:
1007:
1005:
1002:
1000:
997:
994:
993:Leptocephalus
991:
989:
986:
984:
981:
979:
976:
974:
971:
969:
966:
965:
963:
959:
953:
950:
948:
945:
943:
940:
938:
935:
933:
930:
928:
925:
923:
920:
919:
917:
913:
909:
904:
890:
884:
882:
876:
874:
868:
867:
865:
863:
859:
853:
847:
845:
839:
837:
835:(Gulper eels)
831:
829:
823:
822:
820:
816:
810:
804:
803:
801:
797:
791:
787:Ophichthidae
785:
783:
777:
775:
769:
767:
761:
759:
753:
752:
750:
748:
744:
738:
732:
731:
729:
725:
719:
713:
711:
705:
703:
697:
696:
694:
692:
688:
682:
676:
675:
673:
669:
663:
660:
659:
657:
653:
650:
644:
638:
634:
632:
628:
626:
622:
620:
616:
614:
610:
609:
606:
602:
595:
590:
588:
583:
581:
576:
575:
572:
566:
565:Youtube video
563:
562:
556:
538:
534:
528:
521:
517:
512:
497:
493:
486:
484:
482:
471:
455:
450:
446:
442:
441:
436:
434:
425:
417:
410:
406:
401:
396:
392:
388:
384:
383:
378:
371:
369:
364:
356:
354:
353:living fossil
350:
346:
342:
338:
334:
330:
327:and under 90
326:
303:
301:
300:living fossil
295:
293:
289:
288:fringing reef
285:
281:
277:
273:
272:
268:
264:
260:
256:
252:
251:
238:
236:
230:
227:
226:Binomial name
223:
219:
218:
217:P. palau
213:
210:
209:
202:
201:
197:
194:
193:
186:
183:
180:
179:
176:
173:
170:
169:
166:
163:
160:
159:
156:
153:
150:
149:
146:
143:
140:
139:
136:
133:
130:
129:
126:
123:
120:
119:
114:
109:
105:
99:
94:
83:
79:
74:
64:
58:
54:
49:
45:
40:
37:
33:
30:
19:
1233:expanding it
1222:
1207:
1103:Protanguilla
1073:Protanguilla
1072:
1008:
1004:Eel cuddling
937:Jellied eels
880:(Snipe eels)
870:Anguillidae
862:Anguilloidei
806:Moringuidae
799:Moringuoidei
789:(Snake eels)
717:(Moray eels)
661:
635:Superorder:
554:
541:. Retrieved
536:
527:
511:
499:. Retrieved
470:
458:. Retrieved
444:
438:
432:
424:
380:
345:Mesozoic era
322:
298:known as a "
296:
283:
279:
271:Protanguilla
270:
269:
263:only species
249:
248:
247:
234:
232:
216:
215:
200:Protanguilla
199:
198:
184:
174:
36:Protanguilla
35:
29:
1138:iNaturalist
1097:Wikispecies
978:Ely Eel Day
947:Eel noodles
849:Cyematidae
734:Chlopsidae
727:Chlopsoidei
715:Muraenidae
709:(Thin eels)
691:Muraenoidei
637:Elopomorpha
623:Subphylum:
460:20 February
333:gill rakers
1272:Categories
988:Glass eels
973:Eel ladder
922:Eel (food)
755:Congridae
747:Congroidei
701:(Mud eels)
625:Vertebrata
359:References
325:premaxilla
171:Suborder:
1088:Q14672127
843:(Onejaws)
757:(Congers)
611:Kingdom:
543:17 August
501:17 August
341:bony fish
329:vertebrae
211:Species:
131:Kingdom:
125:Eukaryota
1082:Wikidata
1038:Category
995:(larvae)
942:Kabayaki
619:Chordata
617:Phylum:
613:Animalia
496:BBC News
409:21849321
181:Family:
145:Chordata
141:Phylum:
135:Animalia
121:Domain:
98:IUCN 3.1
63:Paratype
53:Holotype
1169:1405574
1156:1454485
1130:6166509
1048:Commons
1016:Sniggle
983:Eel pot
932:Eel pie
915:As food
629:Class:
400:3259923
335:in its
265:in the
255:species
195:Genus:
161:Order:
151:Class:
96: (
1195:588638
1182:827280
1143:511415
952:Unadon
539:. 2011
407:
397:
349:family
276:family
261:, the
61:(b–g)
1223:This
1190:WoRMS
1151:IRMNG
999:Abaia
927:Anago
292:Palau
267:genus
253:is a
1283:Eels
1229:stub
1164:NCBI
1125:GBIF
1117:6XDF
601:Eels
545:2011
503:2011
462:2024
445:2022
405:PMID
51:(a)
1112:CoL
449:doi
395:PMC
387:doi
355:".
302:".
259:eel
257:of
1274::
1192::
1179::
1166::
1153::
1140::
1127::
1114::
1099::
1084::
535:.
518:,
494:.
480:^
443:.
437:.
403:.
393:.
379:.
367:^
294:.
278:,
57:SL
1260:e
1253:t
1246:v
1235:.
593:e
586:t
579:v
547:.
505:.
464:.
451::
435:"
431:"
411:.
389::
100:)
59:.
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
