42:
728:
459:), which has a circular cross-section. The body surface is covered by small bony plates. The head resembles that of a seahorse with a long, laterally flattened snout and obliquely sloping mouth. Unlike the straightnose pipefish, it has a fan-shaped caudal fin. The general colour is greenish, often with various darker mottling, and the belly is yellow. The average size is about 15 to 20 cm (6 to 8 in) with a maximum of 25 cm (10 in).
95:
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proteinaceous eggs when mating with a lower quality male. This increases offspring viability since the smaller males are less able to nurture the embryos himself. Males, on the other hand, can selectively absorb the eggs of lower-quality females after copulation. By doing so, the male gains nutrients by ingesting the nutritious egg, which he can then allocate to caring for the embryos he sires with preferred, higher quality females in the future.
51:
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them, and are limited by the size of the male's brood pouch, which cannot carry all the eggs of a female similar to himself in size. Male brood time is approximately four to six weeks, during which time the male provides oxygen and nutrients to the developing embryos until they hatch. One to six females contribute to each brood clutch, which is the highest rate of multiple maternity in all of the pipefish species.
70:
536:
Like other species of pipefish, the broadnosed pipefish is sex-role reversed: males brood the eggs and because of their increased investment in offspring are the choosier sex, whereas females compete more intensely than males for access to mates. Females can produce eggs faster than males can brood
498:
in which females compete for access to males. This fish breeds in the summer. The male has a brood pouch into which several females deposit clutches of about twenty eggs and where the eggs are fertilised. The fry hatch after about four weeks and are expelled into the open water. Even after this the
552:
The pipefish are not always able to mate with their preferred mates. For example, when predators are present, males are less choosy and mate indiscriminately with small and large females. However, both sexes can compensate for mating with non-preferred mates. For example, females deposit more
549:. Large females produce more and larger eggs and transfer more eggs per mating, while large males have increased brood clutch size and embryo weight. Males also exhibit an avoidance of females carrying high parasite loads, which is negatively correlated with fecundity.
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follow a stereotyped pattern, beginning when one fish identifies a prospective mate nearby and performs the ritualized dance. If the other is receptive, the two align and continue the dance together until the female delivers her eggs into the male's brood pouch via an
1012:
Bernet, Patricia; Rosenqvist, Gunilla; Berglund, Anders (1998). "Female-Female
Competition Affects Female Ornamentation in the Sex-Role Reversed Pipefish Syngnathus typhle".
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443:. It is common in the coastal shallow waters, usually on reefs with seagrasses. This species is notable for its "broad" snout, which is as deep as its body.
41:
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The broadnosed pipefish is a slender, elongated fish with a hexagonal cross-section which distinguishes it from its even more threadlike relation the
1314:
1353:
934:
Berglund, Anders; Rosenqvist, Gunilla (1990). "Male
Limitation of Female Reproductive Success in a Pipefish: Effects of Body-Size Differences".
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521:. The male then shakes the eggs into his brood pouch, releases his sperm into the pouch and assumes an S-shaped posture to fertilize the eggs.
790:
Berglund, Anders; Rosenqvist, Gunilla; Svensson, Ingrid (1988). "Multiple
Matings and Paternal Brood Care in the Pipefish Syngnathus typhle".
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467:
The broadnosed pipefish is native to the
Eastern Atlantic, the Mediterranean Sea, the Black Sea and the Sea of Azov. Its range extends from
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Although males are choosier than females, both sexes exhibit a preference for large mates due to a positive correlation between size and
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306:
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Rosenqvist, Gunilla; Johansson, Kerstin (1995). "Male avoidance of parasitized females explained by direct benefits in a pipefish".
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Males and females both actively court one another for mating, but courting is more frequent in females. Courtship and
94:
1397:
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969:
Ahnesjö, Ingrid (1996). "Apparent
Resource Competition among Embryos in the Brood Pouch of a Male Pipefish".
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Goncalves, Ines; Mobley, Kenyon; Ahnesjö, Ingrid; Sagebakken, Gry; Jones, Adam; Kvarnemo, Charlotta (2010).
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male continues to provide some parental care as the fry can retreat into the brood pouch in case of danger.
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Kuiter, Rudie H. 2000. Seahorses, pipefishes, and the relatives. Chorleywood, UK: TMC Publishing. 240 p.
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189:
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513:
1082:
Berglund, Anders (1993). "Risky sex: male pipefishes mate at random in the presence of a predator".
830:"The Genetic Mating System of a Sex-Role-Reversed Pipefish (Syngnathus typhle): A Molecular Inquiry"
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mating system, with both males and females mating with multiple partners during a breeding season.
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729:"Sex-role reversal revisited: choosy females and ornamented, competitive males in a pipefish"
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The broadnosed pipefish tends to rest in a vertical position among the fronds of
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471:, Norway to Morocco. It is found at depths to about 20 m (66 ft).
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Jones, Adam; Rosenqvist, Gunilla; Berglund, Anders; Avise, John (1999).
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Anders, Berglund; Widemo, Maria; Rosenqvist, Gunilla (2005).
876:"Reproductive compensation in broad-nosed pipefish females"
403:(seahorses and pipefishes). It is native to the Eastern
880:
Proceedings of the Royal
Society B: Biological Sciences
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1122:"Evolutionary biology: Pregnant fathers in charge"
494:This species of pipefish has a sex-role reversed
595:10.2305/IUCN.UK.2014-3.RLTS.T198767A46263316.en
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491:which it sucks in through its mouth.
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651:Linnaeus, 1758: Broadnosed pipefish"
1499:IUCN Red List least concern species
971:Behavioral Ecology and Sociobiology
936:Behavioral Ecology and Sociobiology
834:Behavioral Ecology and Sociobiology
770:"Pipefish Courtship and Copulation"
581:IUCN Red List of Threatened Species
1120:Berglund, Anders (18 March 2010).
675:. Vol. 32. pp. 131–167.
431:at south. It is also found in the
25:
93:
1:
1529:Fish of the Mediterranean Sea
681:10.1016/S0065-3454(03)01003-9
673:Sex role reversal in pipefish
427:in the north all the way to
1539:Taxa named by Carl Linnaeus
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1026:10.1163/156853998792897923
774:W. W. Norton & Company
671:Berglund, Anders (2003).
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90:Scientific classification
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66:
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508:Courtship and copulation
622:"Broad-nosed pipefish:
1534:Fish described in 1758
1524:Fish of the Baltic Sea
1096:10.1006/anbe.1993.1172
1061:10.1006/anbe.1995.0133
892:10.1098/rspb.2009.2290
588:: e.T198767A46263316.
529:These pipefish have a
1519:Fish of the North Sea
1514:Fish of the Black Sea
983:10.1007/s002650050229
846:10.1007/s002650050630
749:10.1093/beheco/ari038
453:straightnose pipefish
314:Syngnathus rotundatus
303:Syngnathus rondeletii
259:Syngnathus argentatus
270:Syngnathus pelagicus
35:Broadnosed pipefish
1138:2010Natur.464..364B
886:(1687): 1581–1587.
570:Pollom, R. (2014).
383:broadnosed pipefish
350:Syphonostoma typhle
281:Syngnathus ponticus
227:Siphonostoma typhle
60:Conservation status
948:10.1007/bf00168456
736:Behavioral Ecology
387:deepnosed pipefish
339:Syngnathus viridis
325:Syngnathus thyphle
1486:
1485:
1432:Open Tree of Life
1228:Syngnathus typhle
1198:Syngnathus typhle
1190:Taxon identifiers
1132:(7287): 364–365.
649:Syngnathus typhle
624:Syngnathus typhle
574:Syngnathus typhle
457:Nerophis ophidion
433:Mediterranean Sea
392:Syngnathus typhle
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18:Syngnathus typhle
16:(Redirected from
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503:Reproduction
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29:
1328:iNaturalist
1222:Wikispecies
1090:: 169–175.
601:20 November
541:Mate choice
447:Description
441:Sea of Azov
407:ocean from
318:Michahelles
1504:Syngnathus
1493:Categories
657:2013-12-19
653:. FishBase
632:2013-12-19
557:References
519:ovipositor
514:copulation
423:) and the
417:Baltic Sea
370:Rafinesque
168:Syngnathus
1164:205054408
1014:Behaviour
709:ignored (
699:cite book
547:fecundity
437:Black Sea
307:Delaroche
175:Species:
113:Kingdom:
107:Eukaryota
1346:10151815
1302:FishBase
1268:46567514
1213:Q1130760
1207:Wikidata
1156:20237558
1104:53159104
1069:53152773
999:34633270
918:20106851
900:41148684
489:copepods
487:such as
485:plankton
405:Atlantic
372:, 1810
355:Linnaeus
345:, 1810
329:Linnaeus
320:, 1829
309:, 1809
298:, 1827
287:, 1814
276:, 1810
265:, 1814
248:Linnaeus
232:Linnaeus
218:Synonyms
206:Linnaeus
153:Family:
127:Chordata
123:Phylum:
117:Animalia
103:Domain:
80:IUCN 3.1
1471:ZooBank
1320:2332908
1134:Bibcode
1034:4535544
991:4601187
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