57:
33:
358:). It is found attached to the gills, the abdomen, and the bases of the fins of the host, where it feeds by sucking blood. It is quiescent during the day, holding itself motionless and partially coiled, attached by its posterior sucker, but becomes active at night, when it feeds. It can separate from its host and swim by flattening its body. It is the intermediate host for the
386:. The sphere is filled with a thick, gelatinous material with the developing embryo spirally coiled within. When it is nearly 2.5 cm (1 in) long and ready to hatch, a pair of small, rounded protuberances at the side of the sphere fall off, allowing the juvenile leech to emerge, and search for a suitable host fish.
278:
The anterior end has a sucker with which it feeds, and the posterior end bears another sucker with which it adheres to its host. The skin is rough and covered with small warts; the colour varies, juveniles are usually black or dark green with small speckles, while adults are pale grey, tan, or olive-green.
277:
is a long, cylindrical, somewhat flattened leech, narrowing at both ends. It has a number of annulations, which do not correspond to its internal segmentation, and is one of the largest sea leeches, with a length up to 10 cm (4 in) long when at rest, and double that length when stretched.
382:, where each is enclosed in a spherical cocoon. These are attached to empty bivalve or gastropod shells on the seabed and are pale at first, but darken with age. They are often irregularly grouped together, each with a slender, twisted stalk connecting it to a spreading, membranous
290:, to the Mediterranean Sea. It has also been reported from the United States, Canada, Namibia, and Pakistan, but some of these records may be due to misidentification. It is found on the seabed at depths down to about 100 m (330 ft) and attached to large
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Native to the northeastern
Atlantic Ocean, the species ranges from the Arctic, the Baltic Sea, and the
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250:. It is a parasite of fishes and is native to the northeastern
378:, and fertilisation is internal. The eggs pass through the
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302:This leech is an external parasite of
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526:. CSIRO Publishing. p. 185.
16:Species of annelid (marine leech)
506:The Edinburgh Journal of Science
420:World Register of Marine Species
55:
750:Fauna of the Mediterranean Sea
509:. Blackwood. pp. 160–161.
1:
770:Taxa named by Carl Linnaeus
745:Fauna of the Atlantic Ocean
786:
765:Animals described in 1758
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52:Scientific classification
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755:Animal parasites of fish
503:Brewster, David (1827).
282:Distribution and habitat
452:"Sangsue verruqueuse:
520:Rohde, Klaus (2005).
406:Kolb, Jürgen (2019).
340:Pleuronectes platessa
330:), and less often of
558:Pontobdella muricata
480:Pontobdella muricata
454:Pontobdella muricata
410:Pontobdella muricata
308:marbled electric ray
304:cartilagenous fishes
275:Pontobdella muricata
235:Pontobdella muricata
197:Pontobdella muricata
25:Pontobdella muricata
523:Marine Parasitology
458:(in French). DORIS
370:Like all leeches,
344:black scorpionfish
320:Dasyatis pastinaca
727:
726:
550:Taxon identifiers
533:978-0-643-09927-2
456:(Linnaeus, 1758)"
412:(Linnaeus, 1758)"
364:Trypanosoma raiae
312:Torpedo marmorata
264:Mediterranean Sea
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352:red scorpionfish
348:Scorpaena porcus
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179:P. muricata
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482:Linnaeus, 1758"
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336:European plaice
332:ray-finned fish
316:common stingray
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222:Hirudo muricata
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145:Rhynchobdellida
102:Pleistoannelida
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252:Atlantic Ocean
246:in the family
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225:Linnaeus, 1758
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484:. SeaLifeBase
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324:thornback ray
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188:Binomial name
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45:thornback ray
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486:. Retrieved
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334:such as the
328:Raja clavata
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248:Piscicolidae
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155:Piscicolidae
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699:SeaLifeBase
621:iNaturalist
488:25 December
462:27 December
425:25 December
372:P. muricata
350:), and the
322:), and the
270:Description
166:Pontobdella
41:P. muricata
734:Categories
390:References
262:, and the
256:Baltic Sea
242:of marine
131:Subclass:
125:Clitellata
115:Sedentaria
380:clitellum
360:protozoan
356:S. scrofa
288:North Sea
260:North Sea
173:Species:
135:Hirudinea
75:Kingdom:
69:Eukaryota
639:10927460
573:Q5155311
567:Wikidata
384:holdfast
292:demersal
214:Synonyms
205:Linnaeus
151:Family:
89:Annelida
85:Phylum:
79:Animalia
65:Domain:
740:Leeches
613:2307823
342:), the
314:), the
298:Ecology
240:species
207:, 1758)
161:Genus:
141:Order:
121:Class:
717:116986
691:116986
626:479819
587:401371
530:
294:fish.
258:, the
254:, the
712:WoRMS
704:40389
678:83990
652:69312
634:IRMNG
600:36986
595:EUNIS
416:WoRMS
374:is a
244:leech
238:is a
109:Clade
96:Clade
43:on a
686:OBIS
673:NCBI
647:ITIS
608:GBIF
528:ISBN
490:2019
464:2019
427:2019
660:NBN
582:EoL
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.