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'''''Urocampus nanus''''', also known as the '''barbed pipefish''', is a species of marine fish belonging to the family [[Syngnathidae]].<ref name="IUCN" /> The species can be found inhabiting [[seagrass]] beds in sheltered shoreline and [[estuary]] habitats along the coasts of southern [[Japan]] and [[Korea]].<ref name="Dawson1980">{{cite journal|last1=Dawson|first1=C.E.|date=1980|title=The Indo-Pacific pipefish genus Urocampus (Syngnathidae)|journal=Proceedings of the Biological Society of Washington|volume=93|issue=3|pages=830–844}}</ref><ref name="Dawson1985">{{cite book|title=. Indo-Pacific Pipefishes (Red Sea to the Americas)|last1=Dawson|first1=C.E.|date=1985|publisher=The Gulf Coast Research Laboratory|location=Ocean Springs, Mississippi, USA}}</ref><ref name="Nakabo">{{cite book|title=Fishes of Japan with pictorial keys to the species, English edition II|last1=Nakabo|first1=T.|date=2002|publisher=Tokai University Press|location=Tokyo}}</ref><ref name="Kim">{{cite journal|last1=Kim|first1=J.S.|last2=Choi|first2=J.Y.|last3=Lee|first3=Y.J.|last4=Gwak|first4=W.S.|date=2013|title=Species composition of fishes in eelgrass bed of Minyan in Tongyeong, Korea|journal=The Sea: Journal of the Korean Society of Oceanography|volume=18|issue=4|pages=227–233|doi=10.7850/jkso.2013.18.4.227|doi-access=free}}</ref><ref name="Han">{{cite journal|last1=Han|first1=S.Y.|last2=Lee|first2=J.M.|last3=Kim|first3=J.K.|date=2014|title=New record of the short-tailed pipefish, Microphis brachyurus brachyurus (Teleostei: Syngnathidae), with a key to the species of the family Syngnathidae from Korea|journal=Ocean Science Journal|volume=49|issue=4|pages=419–424|doi=10.1007/s12601-014-0039-0}}</ref> Their diet likely consists of small [[crustacean]]s.<ref name="Kendrick">{{cite journal|last1=Kendrick|first1=A.J.|last2=Hyndes|first2=G.A.|date=2005|title=Variations in the dietary compositions of morphologically diverse syngnathid fishes|journal=Environmental Biology of Fishes|volume=72|pages=415–427|doi=10.1007/s10641-004-2597-y}}</ref> Reproduction occurs through [[ovoviviparity]] in which the males brood eggs for 11–16 days before giving live birth.<ref name="Dawson1985" /><ref name="Sogabe">{{cite journal|last1=Sogabe|first1=A.|last2=Kawanishi|first2=R.|last3=Takata|first3=H.|last4=Kobayashi|first4=Y.|date=2012|title=Basic reproductive biology of the barbed pipefish Urocampus nanus (Syngnathidae) under laboratory conditions|journal=Ichthyological Research|volume=59|issue=1|pages=77–82|doi=10.1007/s10228-011-0247-x}}</ref> ''Urocampus nanus'' is thought to be [[Polyandry|polyandrous]], where multiple females compete over breeding with a single male.<ref name="Sogabe" />
'''''Urocampus nanus''''', also known as the '''barbed pipefish''', is a species of marine fish belonging to the family [[Syngnathidae]].<ref name="IUCN" /> The species can be found inhabiting [[seagrass]] beds in sheltered shoreline and [[estuary]] habitats along the coasts of southern [[Japan]] and [[Korea]].<ref name="Dawson1980">{{cite journal|last1=Dawson|first1=C.E.|date=1980|title=The Indo-Pacific pipefish genus Urocampus (Syngnathidae)|journal=Proceedings of the Biological Society of Washington|volume=93|issue=3|pages=830–844}}</ref><ref name="Dawson1985">{{cite book|title=. Indo-Pacific Pipefishes (Red Sea to the Americas)|last1=Dawson|first1=C.E.|date=1985|publisher=The Gulf Coast Research Laboratory|location=Ocean Springs, Mississippi, USA}}</ref><ref name="Nakabo">{{cite book|title=Fishes of Japan with pictorial keys to the species, English edition II|last1=Nakabo|first1=T.|date=2002|publisher=Tokai University Press|location=Tokyo}}</ref><ref name="Kim">{{cite journal|last1=Kim|first1=J.S.|last2=Choi|first2=J.Y.|last3=Lee|first3=Y.J.|last4=Gwak|first4=W.S.|date=2013|title=Species composition of fishes in eelgrass bed of Minyan in Tongyeong, Korea|journal=The Sea: Journal of the Korean Society of Oceanography|volume=18|issue=4|pages=227–233|doi=10.7850/jkso.2013.18.4.227|doi-access=free}}</ref><ref name="Han">{{cite journal|last1=Han|first1=S.Y.|last2=Lee|first2=J.M.|last3=Kim|first3=J.K.|date=2014|title=New record of the short-tailed pipefish, Microphis brachyurus brachyurus (Teleostei: Syngnathidae), with a key to the species of the family Syngnathidae from Korea|journal=Ocean Science Journal|volume=49|issue=4|pages=419–424|doi=10.1007/s12601-014-0039-0}}</ref> Their diet likely consists of small [[crustacean]]s.<ref name="Kendrick">{{cite journal|last1=Kendrick|first1=A.J.|last2=Hyndes|first2=G.A.|date=2005|title=Variations in the dietary compositions of morphologically diverse syngnathid fishes|journal=Environmental Biology of Fishes|volume=72|pages=415–427|doi=10.1007/s10641-004-2597-y}}</ref> Reproduction occurs through [[ovoviviparity]] in which the males brood eggs for 11–16 days before giving live birth.<ref name="Dawson1985" /><ref name="Sogabe">{{cite journal|last1=Sogabe|first1=A.|last2=Kawanishi|first2=R.|last3=Takata|first3=H.|last4=Kobayashi|first4=Y.|date=2012|title=Basic reproductive biology of the barbed pipefish Urocampus nanus (Syngnathidae) under laboratory conditions|journal=Ichthyological Research|volume=59|issue=1|pages=77–82|doi=10.1007/s10228-011-0247-x}}</ref> ''Urocampus nanus'' is thought to be [[Polyandry|polyandrous]], where multiple females compete over breeding with a single male.<ref name="Sogabe" />

== Description ==
This species, along with others in its family, have elongated bodies and appear wormlike. They have small mouths, and tube-snouts, that's length and width is determined by the prey they consume. Like other species in this family, male ''Urocampus nanus'' become pregnant.<ref name=":0">{{Cite journal |last=Ahnesjö |first=I. |last2=Craig |first2=J. F. |date=2011 |title=The biology of Syngnathidae: pipefishes, seadragons and seahorses |url=https://onlinelibrary.wiley.com/doi/10.1111/j.1095-8649.2011.03008.x |journal=Journal of Fish Biology |language=en |volume=78 |issue=6 |pages=1597–1602 |doi=10.1111/j.1095-8649.2011.03008.x}}</ref> Additionally, these fish have a single dorsal and caudal fin, pectoral fins, a small anal fin, small gill openings, and lack pelvic fins.<ref>{{Cite web |title=FAMILY Details for Syngnathidae - Pipefishes and seahorses |url=https://www.fishbase.se/summary/FamilySummary.php?ID=258#:~:text=Distribution:%20Atlantic,%20Indian,%20and,soft%20rays%20usually%2015-60. |access-date=2022-04-26 |website=www.fishbase.se}}</ref>

Newborn barbed pipefish hatch with their dorsal fins, caudal fin rays, and body and tail rings formed. At this stage of life, the pectoral fin rays have yet to develop.<ref name="Sogabe" />

Members of this species exhibit [[sexual dimorphism]]. Females will have a blue spot on the side of their heads and along their bodies. Also, females have deeper bodies with a ventral fold. Males ''Urocampus nanus'' lack these characteristics.<ref name="Sogabe" />

Pipefish as a whole and ''Urocampus nanus'' are typically poor swimmers. They are typically slow moving and appear almost stationary.<ref name=":0" /> For locomotion, the barbed pipefish relies on quick movements from their dorsal and pectoral fins, which gives them a good amount of body control.<ref>{{Cite journal |last=Manning |first=C. G. |last2=Foster |first2=S. J. |last3=Vincent |first3=A. C. J. |date=2019-06-01 |title=A review of the diets and feeding behaviours of a family of biologically diverse marine fishes (Family Syngnathidae) |url=https://doi.org/10.1007/s11160-019-09549-z |journal=Reviews in Fish Biology and Fisheries |language=en |volume=29 |issue=2 |pages=197–221 |doi=10.1007/s11160-019-09549-z |issn=1573-5184}}</ref>


== References ==
== References ==

Revision as of 00:46, 26 April 2022

Barbed pipefish
Urocampus nanus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Syngnathiformes
Family: Syngnathidae
Genus: Urocampus
Species:
U. nanus
Binomial name
Urocampus nanus
Günther 1870[1]

Urocampus nanus, also known as the barbed pipefish, is a species of marine fish belonging to the family Syngnathidae.[1] The species can be found inhabiting seagrass beds in sheltered shoreline and estuary habitats along the coasts of southern Japan and Korea.[2][3][4][5][6] Their diet likely consists of small crustaceans.[7] Reproduction occurs through ovoviviparity in which the males brood eggs for 11–16 days before giving live birth.[3][8] Urocampus nanus is thought to be polyandrous, where multiple females compete over breeding with a single male.[8]

Description

This species, along with others in its family, have elongated bodies and appear wormlike. They have small mouths, and tube-snouts, that's length and width is determined by the prey they consume. Like other species in this family, male Urocampus nanus become pregnant.[9] Additionally, these fish have a single dorsal and caudal fin, pectoral fins, a small anal fin, small gill openings, and lack pelvic fins.[10]

Newborn barbed pipefish hatch with their dorsal fins, caudal fin rays, and body and tail rings formed. At this stage of life, the pectoral fin rays have yet to develop.[8]

Members of this species exhibit sexual dimorphism. Females will have a blue spot on the side of their heads and along their bodies. Also, females have deeper bodies with a ventral fold. Males Urocampus nanus lack these characteristics.[8]

Pipefish as a whole and Urocampus nanus are typically poor swimmers. They are typically slow moving and appear almost stationary.[9] For locomotion, the barbed pipefish relies on quick movements from their dorsal and pectoral fins, which gives them a good amount of body control.[11]

References

  1. ^ a b Austin, D.; Pollom, R. "Urocampus nanus". IUCN Red List of Threatened Species. Retrieved 18 March 2019.
  2. ^ Dawson, C.E. (1980). "The Indo-Pacific pipefish genus Urocampus (Syngnathidae)". Proceedings of the Biological Society of Washington. 93 (3): 830–844.
  3. ^ a b Dawson, C.E. (1985). . Indo-Pacific Pipefishes (Red Sea to the Americas). Ocean Springs, Mississippi, USA: The Gulf Coast Research Laboratory.
  4. ^ Nakabo, T. (2002). Fishes of Japan with pictorial keys to the species, English edition II. Tokyo: Tokai University Press.
  5. ^ Kim, J.S.; Choi, J.Y.; Lee, Y.J.; Gwak, W.S. (2013). "Species composition of fishes in eelgrass bed of Minyan in Tongyeong, Korea". The Sea: Journal of the Korean Society of Oceanography. 18 (4): 227–233. doi:10.7850/jkso.2013.18.4.227.
  6. ^ Han, S.Y.; Lee, J.M.; Kim, J.K. (2014). "New record of the short-tailed pipefish, Microphis brachyurus brachyurus (Teleostei: Syngnathidae), with a key to the species of the family Syngnathidae from Korea". Ocean Science Journal. 49 (4): 419–424. doi:10.1007/s12601-014-0039-0.
  7. ^ Kendrick, A.J.; Hyndes, G.A. (2005). "Variations in the dietary compositions of morphologically diverse syngnathid fishes". Environmental Biology of Fishes. 72: 415–427. doi:10.1007/s10641-004-2597-y.
  8. ^ a b c d Sogabe, A.; Kawanishi, R.; Takata, H.; Kobayashi, Y. (2012). "Basic reproductive biology of the barbed pipefish Urocampus nanus (Syngnathidae) under laboratory conditions". Ichthyological Research. 59 (1): 77–82. doi:10.1007/s10228-011-0247-x.
  9. ^ a b Ahnesjö, I.; Craig, J. F. (2011). "The biology of Syngnathidae: pipefishes, seadragons and seahorses". Journal of Fish Biology. 78 (6): 1597–1602. doi:10.1111/j.1095-8649.2011.03008.x.
  10. ^ "FAMILY Details for Syngnathidae - Pipefishes and seahorses". www.fishbase.se. Retrieved 2022-04-26.
  11. ^ Manning, C. G.; Foster, S. J.; Vincent, A. C. J. (2019-06-01). "A review of the diets and feeding behaviours of a family of biologically diverse marine fishes (Family Syngnathidae)". Reviews in Fish Biology and Fisheries. 29 (2): 197–221. doi:10.1007/s11160-019-09549-z. ISSN 1573-5184.

External links