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'''Mudskippers''' are members of the subfamily '']'' (]: ''Periophthalmini''<ref name="murdy1989">{{cite journal | author=Murdy, E. O. | title=A Taxonomic Revision and Cladistic Analysis of the Oxudercine Gobies (Gobiidae: Oxudercinae) | journal=Records of the Australian Museum | year=1989 | volume=Suppl. N°11 | pages= 1&ndash;93 }}</ref>), within the ] '']'' (]). While most marine fish that live in ] ]s survive the retreat of the tide by hiding under wet ] or by using ]s, mudskippers are uniquely adapted to a completely amphibious lifestyle.<ref name="graham1997">{{cite book | editor=Graham, J. B. (ed.) | title=Air–breathing Fishes. Evolution, Diversity and Adaptation | year=1997 | publisher=Academic Press | location=San Diego California }}</ref> '''Mudskippers''' are members of the subfamily '']'' (]: ''Periophthalmini''<ref name="murdy1989">{{cite journal | author=Murdy, E. O. | title=A Taxonomic Revision and Cladistic Analysis of the Oxudercine Gobies (Gobiidae: Oxudercinae) | journal=Records of the Australian Museum | year=1989 | volume=Suppl. N°11 | pages= 1&ndash;93 }}</ref>), within the ] '']'' (]). While most marine fish that live in ] ]s survive the retreat of the tide by hiding under wet ] or by using ]s, mudskippers are uniquely adapted to a completely amphibious lifestyle.<ref name="graham1997">{{cite book | editor=Graham, J. B. (ed.) | title=Air–breathing Fishes. Evolution, Diversity and Adaptation | year=1997 | publisher=Academic Press | location=San Diego California }}</ref>
Mudskippers are found only in ] and ] regions, having a geographical distribution that includes all the Indo-Pacific and the Atlantic coast of Africa. Mudskippers are quite active when out of water, feeding and interacting with one another, for example to defend their ]. Mudskippers are close relatives of Mudkip, the mudfish pokemon. Mudskippers are found only in ] and ] regions, having a geographical distribution that includes all the Indo-Pacific and the Atlantic coast of Africa. Mudskippers are quite active when out of water, feeding and interacting with one another, for example to defend their ].


Compared with fully aquatic gobies, these fish present a range of peculiar behavioural and physiological ]s to an amphibious lifestyle. These include: Compared with fully aquatic gobies, these fish present a range of peculiar behavioural and physiological ]s to an amphibious lifestyle. These include:

Revision as of 14:25, 16 August 2007

Mudskippers
Periophthalmus modestus
SUMA Aqualife Park (Japan)
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Gobiidae
Subfamily: Oxudercinae
Genera

Apocryptes
Apocryptodon
Boleophthalmus
Oxuderces
Parapocryptes
Periophthalmodon
Periophthalmus
Pseudapocryptes
Scartelaos
Zappa (genus)

Mudskippers are members of the subfamily Oxudercinae (tribe: Periophthalmini), within the family Gobiidae (Gobies). While most marine fish that live in intertidal habitats survive the retreat of the tide by hiding under wet seaweed or by using tide pools, mudskippers are uniquely adapted to a completely amphibious lifestyle. Mudskippers are found only in tropical and subtropical regions, having a geographical distribution that includes all the Indo-Pacific and the Atlantic coast of Africa. Mudskippers are quite active when out of water, feeding and interacting with one another, for example to defend their territories.

Compared with fully aquatic gobies, these fish present a range of peculiar behavioural and physiological adaptations to an amphibious lifestyle. These include:

  • Anatomical and behavioural adaptations that allow them to move effectively on land as well as in the water.
  • The ability to breathe through their skin and the lining of their mouth (the mucosa) and throat (the pharynx). This is only possible when the mudskipper is wet, limiting mudskippers to humid habitats and requiring that they keep themselves moist. This mode of breathing, similar to that employed by amphibians, is known as cutaneous air breathing. Another important adaptation that aids breathing on land is its gills. On land, they retain water in enlarged gill chambers. These act like a scuba diver's oxygen cylinders, and supply oxygen for respiration while on land.
  • Digging of deep burrows in soft sediments that allow the fish to thermoregulate; avoid marine predators during the high tide when the fish and burrow are submerged; and for laying their eggs.
Periophthalmus gracilis (from Malaysia to North Australia)

Even when their burrow is submerged, mudskippers maintain an air pocket inside it, which allows them to breathe in conditions of very low oxygen concentration.

The genus Periophthalmus is by far the most diverse and widespread genus of mudskipper. Seventeen species have been currently described. Periophthalmus argentilineatus is one of the most widespread and well known mudskippers. This species can be found in mangrove ecosystems and mudflats of East Africa and Madagascar east through South East Asia to Northern Australia, Southeast China and Southern Japan, up to Samoa and Tonga Islands. It grows to a length of about 6 in (15 cm) and is a carnivorous opportunist feeder. It feeds on small prey such as small crabs and other arthropods. Another species, Periophthalmus barbarus, is the only oxudercine goby that inhabits the coastal areas of Western Africa (Murdy, 1989). Both these mudskippers are widely traded as aquarium fish.

References

  1. ^ Murdy, E. O. (1989). "A Taxonomic Revision and Cladistic Analysis of the Oxudercine Gobies (Gobiidae: Oxudercinae)". Records of the Australian Museum. Suppl. N°11: 1–93.
  2. ^ Graham, J. B. (ed.), ed. (1997). Air–breathing Fishes. Evolution, Diversity and Adaptation. San Diego California: Academic Press. {{cite book}}: |editor= has generic name (help)
  3. Harris, V.A. (1961). "On the locomotion of the mudskipper Periophthalmus koelreuteri (Pallas): Gobiidae". Proceedings of the Zoological Society of London. 134: 107–135.
  4. Tytler P. & Vaughan T. (1983). "Thermal Ecology of the Mudskippers Periophthalmus koelreuteri (Pallas) and Boleophthalmus boddaerti (Pallas), of Kuwait Bay". Journal of Fish Biology. 23 (3): 327–337.
  5. Sasekumar, A.; Chong, V.C.; Lim, K.H. & Singh, H.R. (1994). "The Fish Community of Matang Mangrove Waters, Malaysia". In Sudara, S.; Wilkinson, C.R.; Chou, L.M. (eds) (ed.). Proceedings, Third ASEAN-Australia Symposium on Living Coastal Resources. Research papers. Bangkok, Thailand: Chulalonghorn University. pp. Vol. 2: 457-464. {{cite conference}}: |editor= has generic name (help); Unknown parameter |booktitle= ignored (|book-title= suggested) (help)CS1 maint: multiple names: authors list (link)
  6. Brillet, C. (1969). "Etude du comportement constructeur des poissons amphibies Periophthalmidae". Terre et la Vie. 23 (4): 496–520.
  7. Ishimatsu A., Hishida Y., Takita T., Kanda T., Oikawa S., Takeda T. & Khoo K.H. (1998). "Mudskipper Store Air in Their Burrows". Nature. 391: 237–238.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  8. Ishimatsu A., Takeda T., Kanda T., Oikawa S. & Khoo K.H. (2000). "Burrow environment of mudskippers in Malaysia". Journal of Bioscience. 11 (1, 2): 17–28.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  9. Lee H.J., Martinez C.A., Hertzberg K.J., Hamilton A.L. & Graham J.B. (2005). "Burrow air phase maintenance and respiration by the mudskipper Scartelaos histophorus (Gobiidae: Oxudercinae)". The Journal of Experimental Biology. 208: 169–177.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  10. Larson H.K. & Takita T. (2005). "Two new species of Periophthalmus (Teleostei: Gobiidae: Oxudercinae) from northern Australia, and a re-diagnosis of Periophthalmus novaeguineaensis". The Beagle, Records of the Museums and Art Galleries of the Northern Territory. 20: 175–185.
  11. Milward, N. E. (1974). Studies on the taxonomy, ecology and physiology of Queensland mudskippers (unpubl. Ph D. dissertation ed.). Univ. Of Queensland, Brisbane, Australia.

See also

External links

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