44:
57:
255:
318:
tightly packed around the bell margin. Hanging down from the center of the inside of the bell is a large stomach structure called a manubrium, with a mouth-opening with four frilly lips. Circulation of nutrients is facilitated by four radial canals which originate at the edges of the stomach
1076:
602:. Prey is caught with their stinging tentacles. Drifting with its tentacles extended, the jelly waits for suitable prey to touch a tentacle. Once contact has been made, nematocysts on the tentacle fire into the prey, injecting
847:"Az Ă©desvĂzi medĂşza (Craspedacusta sowerbii Lankaster, 1880) magyarországi elĹ‘fordulása | The freshwater jellyfish (Craspedacusta sowerbii Lankester, 1880) in Hungarian waters - REAL - az MTA Könyvtárának RepozitĂłriuma"
335:(also known as cnidocysts), and are used to capture prey and pass it to the mouth. Food is taken in the mouth opening, and waste is finally expelled out of the same opening.
964:
314:
medusae are about 20–25 mm (approximately 1 in.) in diameter, somewhat flatter than a hemisphere, and very delicate, when fully grown. They have a whorl of up to 400
662:. It is believed that podocysts are transported by aquatic plants or animals to other bodies of water. Once conditions become favorable, they develop into polyps again.
606:
which paralyzes the animal, and the tentacle itself coils around the prey. The tentacles then bring the prey into the mouth, where it is released and then digested.
1238:
746:
1070:
392:
to appear in a body of water where it had never been documented before, in very large numbers, and its appearance may even be reported on the local news.
721:
1212:
1251:
560:
has been seen in
Pennsylvanian lakes and reservoirs including Marsh Creek Lake, Downingtown/Eagle, PA Turnpike/Rt 100/Rt 401, SR 282 (2007,2008).
1335:
1044:
1060:
986:"Une page d'histoire des sciences contemporaines : un siècle d'observations sur la méduse d'eau douce, Craspedacusta sowerbii Lank"
697:
1065:
866:
1330:
1186:
651:
populations existing in the United States are either all male or all-female, so there is no sexual reproduction in those populations.
821:
327:) are attached to the four radial canals, and are usually opaque white. The many tentacles each contain thousands of cells called
1297:
911:"Spatiotemporal distribution of the non-indigenous peach blossom jellyfish Craspedacusta sowerbii in British Columbia, Canada"
319:(manubrium), and which are also connected to a ring canal, located near the bell margin. Most of the body is transparent or
1256:
939:
547:
542:
originating from Star Lake, Manitoba, Canada. Falcon Lake along with Star Lake remain the only two confirmed sightings of
750:
56:
1023:
1147:
888:
1204:
1125:
531:
400:
Since 2008 the freshwater jellyfish have been sighted every
September and October in the Zhaojiaya Reservoir near
613:
cells are used for paralyzing very tiny prey and have not been proven to have the capacity to pierce human skin.
1052:
579:
It was reported in Panama in 1925, Chile in 1942, Argentina in 1950, Brazil in 1963, and in
Uruguay in 1971.
432:
1087:
519:
1152:
151:
43:
725:
1302:
1289:
1173:
1134:
1061:
https://web.archive.org/web/20190721110836/http://www.microscopy-uk.org.uk/mag/artdec99/fwjelly2.html
629:
568:
431:
It has been found in water reservoirs and artificial lakes in south-eastern
Australia, including the
1066:
https://web.archive.org/web/20190718162523/http://www.microscopy-uk.org.uk/mag/artnov99/fwjelly.html
1325:
633:
436:
1279:
351:
300:
176:
51:
1266:
985:
679:
628:, which lives in colonies attached to underwater vegetation, rocks, or tree stumps, feeding and
388:
The medusa's appearance is sporadic and unpredictable from year to year. It is not uncommon for
1243:
1139:
1160:
1005:
659:
358:
997:
636:
378:
259:
647:. The planulae then settle to the bottom and develop into polyps. However, the majority of
965:"'Mind blowing': How did thousands of jellyfish make it into this Louisville park's pond?"
625:
416:
374:
366:
825:
1199:
254:
910:
17:
1319:
412:
167:
128:
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jellyfish because they have a muscular, shelf-like structure called a velum on the
108:
1274:
1225:
1119:
1027:
591:
401:
332:
320:
1110:
943:
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in
Manitoba. It has been found in British Columbia in 34 lakes as far north as
365:. It has also been seen in slow-moving backwaters of river systems such as the
796:
551:
496:
477:
370:
328:
323:, with a whitish or greenish tinge. The (usually) four large flat sex organs (
284:
118:
1009:
1001:
771:
1191:
610:
539:
527:
420:
315:
68:
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Just like salt water jellyfish they do have stinging cells. However, these
476:
During the heatwave in July 2023, the jellyfish was found and reported in
1104:
655:
644:
599:
523:
500:
491:
In July 2024, a large colony of this jellyfish was detected in a lake in
382:
362:
280:
276:
98:
88:
1217:
1073:(reference to freshwater jellyfish in the Wang Thong River in Thailand)
595:
492:
485:
459:
347:
292:
288:
1230:
940:"What is the distribution of the freshwater jellyfish in Pennsylvania"
603:
481:
470:
466:
324:
78:
1081:
698:"NOBANIS - Invasive Alien Species Fact Sheet Craspedacusta sowerbii"
447:
During the abnormal heat in the summer 2010 in Russia sightings of
640:
405:
253:
680:"freshwater jellyfish (Craspedacusta sowerbyi) - Species Profile"
1178:
1085:
506:
September 2024, one seen in a gravel pit in
Duisburg, Germany.
385:. It is not generally seen in fast flowing streams or rivers.
889:"Thousands of jellyfish clones are multiplying in B.C. lakes"
846:
722:"ZJJ Cili Zhaojiaya Reservoir Appeared Freshwater Jellyfish"
465:
The jellyfish was discovered in 2023 in lake
Korlatoš, near
632:
during spring and summer. Some of these offspring are the
291:
surface, attached to the bell margin. Originally from the
654:
During the cold winter months, polyps contract and enter
303:
now found throughout the world in bodies of fresh water.
563:
In July 2022, a population was discovered in a pond at
724:. Zhangjiajie City Information Center. Archived from
518:
was spotted and captured on the northwest corner of
1094:
1071:Kaeng Bang Rachan at Tourism Authority of Thailand
990:Bulletin mensuel de la Société linnéenne de Lyon
909:LĂĽskow, Florian; Pakhomov, Evgeny (2024-08-13).
526:, Canada. Scientists believe this was due to a
639:. Fertilized eggs develop into small ciliated
8:
1053:An authoritative and detailed website about
1082:
867:"Families find Manitoba's first jellyfish"
822:"Man nets seven jellyfish in Moscow River"
772:"Tiny African jellyfish in S.A. reservoir"
354:on every continent except for Antarctica.
42:
31:
691:
689:
357:It is usually found in calm, freshwater
801:Canberra Times (ACT : 1926 - 1995)
671:
776:Mail (Adelaide, SA : 1912 - 1954)
458:It has been found in several lakes in
361:, lakes, impoundments, gravel pits or
1024:"Will freshwater jellyfish sting me?"
891:. University of British Columbia News
747:"Photographs of C. Sowerbii in India"
283:. Hydromedusan jellyfish differ from
7:
1290:bde0cacd-09b6-4112-ba66-023d3b0f5002
202:Craspedacusta sowerbii yongkangensis
696:Didžiulis, Viktoras; Żurek, Roman.
25:
942:. Dr. Terry Peard. Archived from
55:
258:A specimen in a farming pond (
1:
824:. RIA Novisti. Archived from
377:in the United States and the
350:basin in China, but has been
1336:Taxa named by Ray Lankester
915:Canadian Journal of Zoology
279:jellyfish, or hydromedusa
275:is a species of freshwater
1352:
887:Walls, Alex (2024-09-03).
532:Whiteshell Provincial Park
1331:Animals described in 1880
1077:GLANSIS Species FactSheet
658:as resting bodies called
575:South and Central America
534:area. It is proposed the
411:It has been found in the
182:
175:
157:
150:
52:Scientific classification
50:
41:
34:
1002:10.3406/linly.1982.10519
797:"Jellyfish live in lake"
339:Habitat and distribution
803:. 1967-03-01. p. 1
778:. 1950-03-11. p. 3
538:came to Falcon Lake on
433:Thorndon Park reservoir
273:peach blossom jellyfish
1140:Craspedacusta_sowerbyi
1126:Craspedacusta sowerbyi
1096:Craspedacusta sowerbyi
1055:Craspedacusta sowerbyi
624:begins life as a tiny
415:and backwaters of the
268:Craspedacusta sowerbii
263:
210:Craspedacusta sowerbyi
194:Craspedacusta kiatingi
161:Craspedacusta sowerbii
36:Craspedacusta sowerbii
18:Craspedacusta sowerbyi
869:. Winnipeg Free Press
630:asexually reproducing
451:were reported in the
257:
984:Parent, G.H (1982).
634:sexually reproducing
569:Louisville, Kentucky
514:On August 21, 2010,
234:Microhydra germanica
226:Limnocodium victoria
197:Gaw & Kung, 1939
186:Craspedacusta kawaii
27:Species of jellyfish
437:Lake Burley Griffin
205:Wang & Xu, 2004
301:introduced species
264:
218:Limnocodium kawaii
1313:
1312:
1088:Taxon identifiers
1045:USGS' page about
590:is a predator on
346:is native to the
252:
251:
246:
242:Microhydra ryderi
238:
230:
222:
214:
206:
198:
190:
16:(Redirected from
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379:Wang Thong River
331:, which contain
295:basin in China,
260:Upstate New York
244:
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143:C. sowerbii
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417:Hemavathi River
398:
375:Tennessee River
367:Allegheny River
341:
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213:Lankester, 1880
171:
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54:
28:
23:
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15:
12:
11:
5:
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1200:Fauna Europaea
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1039:External links
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1030:on 2012-07-22.
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152:Binomial name
149:
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130:Craspedacusta
127:
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1028:the original
1018:
996:(2): 47–63.
993:
989:
979:
968:. Retrieved
959:
948:. Retrieved
944:the original
934:
923:. Retrieved
918:
914:
904:
893:. Retrieved
882:
871:. Retrieved
861:
850:. Retrieved
841:
830:. Retrieved
826:the original
816:
805:. Retrieved
800:
791:
780:. Retrieved
775:
766:
755:. Retrieved
751:the original
741:
730:. Retrieved
726:the original
716:
704:. Retrieved
674:
653:
648:
621:
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608:
587:
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578:
565:Shawnee Park
562:
557:
556:
543:
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490:
475:
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457:
453:Moscow River
448:
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399:
389:
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233:
229:Allman, 1880
225:
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142:
141:
129:
109:Limnomedusae
35:
29:
1275:NatureServe
1226:iNaturalist
1120:Wikispecies
1047:C. sowerbyi
706:27 February
649:C. sowerbii
622:C. sowerbii
592:zooplankton
588:C. sowerbii
558:C. sowerbii
548:Cache Creek
544:C. sowerbii
536:C. sowerbii
520:Falcon Lake
516:C. sowerbii
449:C. sowerbii
402:Zhangjiajie
390:C. sowerbii
344:C. sowerbii
333:nematocysts
321:translucent
312:C. sowerbii
297:C. sowerbii
245:Potts, 1885
189:(Oka, 1907)
1326:Olindiidae
1320:Categories
970:2022-08-23
950:2016-12-29
925:2024-09-03
895:2024-09-03
873:2010-08-21
852:2016-08-06
832:2010-08-04
807:2017-08-05
782:2017-08-05
757:2011-02-16
732:2013-09-10
666:References
617:Life cycle
594:including
552:Port Hardy
497:Bratislava
478:the Danube
371:Ohio River
359:reservoirs
352:introduced
329:cnidocytes
285:scyphozoan
237:Roch, 1924
119:Olindiidae
1010:0366-1326
660:podocysts
611:cnidocyte
540:waterfowl
528:heat wave
427:Australia
423:, India.
421:Karnataka
408:, China.
316:tentacles
281:cnidarian
277:hydrozoan
221:Oka, 1907
168:Lankester
137:Species:
75:Kingdom:
69:Eukaryota
1280:2.120523
1244:10801960
1111:Q1888438
1105:Wikidata
656:dormancy
645:planulae
600:copepods
524:Manitoba
501:Slovakia
383:Thailand
373:and the
363:quarries
177:Synonyms
115:Family:
99:Hydrozoa
89:Cnidaria
85:Phylum:
79:Animalia
65:Domain:
1218:2266729
643:called
637:medusae
596:daphnia
583:Feeding
530:in the
493:Vajnory
486:Austria
460:Hungary
348:Yangtze
293:Yangtze
289:ventral
125:Genus:
105:Order:
95:Class:
1303:567381
1287:NZOR:
1231:217728
1205:240626
1179:203281
1153:200089
1008:
641:larvae
604:poison
482:Vienna
471:Serbia
467:Sombor
443:Europe
369:, the
325:gonads
299:is an
170:, 1880
1298:WoRMS
1264:NAS:
1257:50776
1239:IRMNG
1192:37767
1187:EUNIS
1166:6BBQW
701:(PDF)
626:polyp
406:Hunan
1267:1068
1252:ITIS
1213:GBIF
1148:BOLD
1006:ISSN
708:2024
598:and
550:and
435:and
396:Asia
307:Form
1174:EoL
1161:CoL
1135:ADW
998:doi
921:(9)
919:102
567:in
554:.
522:in
480:in
473:.
419:in
381:of
271:or
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