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{{Short description|Species of jawless fish}}
{{no inline references|date=April 2014}}
{{no inline references|date=April 2014}}
{{Speciesbox
{{Taxobox
| name = Ohio lamprey
| name = Ohio lamprey
| taxon = Ichthyomyzon bdellium
| regnum = [[Animalia]]
⚫
| authority = ([[David Starr Jordan|D. S. Jordan]], 1885)
| phylum = [[Chordata]]
| synonyms =
| classis = [[Cephalaspidomorphi]]
* ''Petromyzon bdellius'' <small>Jordan 1885</small>
| ordo = [[Lamprey|Petromyzontiformes]]
* ''Petromyzon nigrus'' <small>Rafinesque 1820</small>
| familia = [[Northern lampreys|Petromyzontidae]]
| genus = ''[[Ichthyomyzon]]''
* ''Ichthyomyzon nigrus'' <small>(Rafinesque 1820)</small>
* ''Petromyzon argenteus'' <small>Kirtland 1838 non Bloch 1795 non Nardo 1847</small>
| species = '''''I. bdellium'''''
| binomial = ''Ichthyomyzon bdellium''
* ''Ichthyomyzon argenteus'' <small>(Kirtland 1838)</small>
| synonyms_ref=<ref>{{cite journal |last1=Van Der Laan |first1=Richard |last2=Eschmeyer |first2=William N. |last3=Fricke |first3=Ronald |title=Family-group names of Recent fishes |journal=Zootaxa |date=11 November 2014 |volume=3882 |issue=1 |pages=1–230 |doi=10.11646/zootaxa.3882.1.1 |pmid=25543675 |doi-access=free }}</ref><ref>{{Cite web |last1=Froese |first1=R.| last2=Pauly| first2=D.| year=2017| title=Petromyzontidae| url=http://www.fishbase.se/summary/FamilySummary.php?ID=1|website=[[FishBase]] version (02/2017)|access-date=18 May 2017}}</ref>
⚫
| binomial_authority = ([[David Starr Jordan|D. S. Jordan]], 1885)
}}
}}

The '''Ohio lamprey''' (''Ichthyomyzon bdellium'') is a [[lamprey]] found in the [[Ohio River]] drainage basin in the [[United States]]. The Ohio lamprey is one of the two parasitic species of [[lampreys]]. They are considered to be an [[endangered]]/rare species in some states, due to [[siltation]], [[pollution]], and construction of [[dams]].
The '''Ohio lamprey''' (''Ichthyomyzon bdellium'') is a [[lamprey]] found in the [[Ohio River]] [[drainage basin]] in the [[United States]] and is a parasitic species of [[lampreys]]. They are considered to be an [[endangered]]/rare species in some states, due to [[siltation]], [[pollution]], and construction of [[dams]].


== Description ==
== Description ==
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== Diet ==
== Diet ==
As [[ammocoetes]], Ohio lampreys filter [[plankton]], [[algae]], and other small [[organic matter]]. As adults, they attach onto larger prey, such as [[smallmouth bass]], [[walleyes]], redhorse suckers and [[trout]]. Ohio lampreys are a [[parasitic]] species. They get their nutrients by attaching themselves onto larger fish, and feeding from them. Ohio lampreys do not kill the host fish, and they evolved with other native fishes, so they do not have a significant effect on populations of their host fishes.
As [[ammocoetes]], Ohio lamprey filter [[plankton]], [[algae]], and other small [[organic matter]]. As adults, they attach onto larger prey, such as [[smallmouth bass]], [[walleyes]], redhorse suckers and [[trout]] and feeding on blood and body fluids. Ohio lampreys do not appear to kill the host fish, as they evolved with other fishes in their range. As a result, they do not appear to have a significant effect on populations of their host fishes.


== Reproduction ==
== Reproduction ==
As a fully grown, sexually mature adult, the Ohio lamprey will detach itself from their host fish. They will then return to the stream where they were born to [[spawn (biology)|spawn]]. Spawning occurs in late May or early June. The adults work together to create a pit on gravelly riffles in moderate currents. They use their suction cup-like mouth to move rocks from these riffles, and then the female lamprey deposits eggs into this pit after [[mating]]. The adult Ohio lampreys then die after spawning.
As a sexually mature adult, Ohio lamprey will seek out suitable breeding sites. They likely do not return to their natal site to [[spawn (biology)|spawn]], but this remains untested. Spawning occurs in late May or early June, with adults working together or in pairs to create a pit in riffles of moderate currents. They use their suction cup-like mouth to move rocks from these riffles, and then the female lamprey deposits eggs into this pit after [[mating]]. All adults will die after spawning.


== Distribution ==
== Distribution ==
The Ohio lamprey is found in the [[Ohio River]] basin. This species in found in 11 states total, which are [[Alabama]], [[Georgia (U.S. state)|Georgia]]. [[Indiana]], [[Kentucky]], [[New York]], [[North Carolina]], [[Ohio]], [[Pennsylvania]], [[Tennessee]], [[Virginia]], and [[West Virginia]]. The Ohio lamprey used to be found in [[Illinois]], but is now considered to be [[extirpated]], due there being no sightings since 1918.
The Ohio lamprey is found throughout the [[Ohio River]] basin in 11 states: [[Alabama]], [[Georgia (U.S. state)|Georgia]], [[Indiana]], [[Kentucky]], [[New York (state)|New York]], [[North Carolina]], [[Ohio]], [[Pennsylvania]], [[Tennessee]], [[Virginia]], and [[West Virginia]]. The Ohio lamprey used to be found in [[Illinois]], but is now considered to be [[Local extinction|extirpated]]; the last sighting was in 1918.


== References ==
== References ==
<references />
* http://www.bio.utk.edu/hulseylab/Fishlist.html
* https://web.archive.org/web/20130111034246/http://www.bio.utk.edu/hulseylab/Fishlist.html
* http://www.dnr.state.oh.us/Default.aspx?tabid=22725
* http://www.dnr.state.oh.us/Default.aspx?tabid=22725
* http://fishandboat.com/pafish/fishhtms/chap4.htm
* http://fishandboat.com/pafish/fishhtms/chap4.htm
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{{Petromyzontiformes}}
{{Petromyzontiformes}}
{{Taxonbar|from=Q4499605}}


[[Category:Petromyzontidae]]
[[Category:Petromyzontidae]]
[[Category:Parasitic animals]]
[[Category:Animal parasites of fish]]
[[Category:Fish described in 1885]]
[[Category:Taxa named by David Starr Jordan]]

Latest revision as of 15:07, 28 March 2024

Ohio lamprey
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Infraphylum: Agnatha
Class: Hyperoartia
Order: Petromyzontiformes
Family: Petromyzontidae
Genus: Ichthyomyzon
Species:
I. bdellium
Binomial name
Ichthyomyzon bdellium
(D. S. Jordan, 1885)
Synonyms[1][2]
  • Petromyzon bdellius Jordan 1885
  • Petromyzon nigrus Rafinesque 1820
  • Ichthyomyzon nigrus (Rafinesque 1820)
  • Petromyzon argenteus Kirtland 1838 non Bloch 1795 non Nardo 1847
  • Ichthyomyzon argenteus (Kirtland 1838)

The Ohio lamprey (Ichthyomyzon bdellium) is a lamprey found in the Ohio River drainage basin in the United States and is a parasitic species of lampreys. They are considered to be an endangered/rare species in some states, due to siltation, pollution, and construction of dams.

Description[edit]

All lampreys have a long, almost eel-like, body with no scales. Lampreys have segments of muscles that are visible along their body called myomeres, and a jawless mouth. In larval lampreys, called ammocoetes, their mouth is not fully developed, very small, and hidden between folds of skin. Adults have a disk shaped mouth with varying amounts of teeth depending on the species. The Ohio lamprey has a single, continuous dorsal fin. Fully grown, Ohio lampreys reach 10-14 inches, but may get to 15 inches.

Diet[edit]

As ammocoetes, Ohio lamprey filter plankton, algae, and other small organic matter. As adults, they attach onto larger prey, such as smallmouth bass, walleyes, redhorse suckers and trout and feeding on blood and body fluids. Ohio lampreys do not appear to kill the host fish, as they evolved with other fishes in their range. As a result, they do not appear to have a significant effect on populations of their host fishes.

Reproduction[edit]

As a sexually mature adult, Ohio lamprey will seek out suitable breeding sites. They likely do not return to their natal site to spawn, but this remains untested. Spawning occurs in late May or early June, with adults working together or in pairs to create a pit in riffles of moderate currents. They use their suction cup-like mouth to move rocks from these riffles, and then the female lamprey deposits eggs into this pit after mating. All adults will die after spawning.

Distribution[edit]

The Ohio lamprey is found throughout the Ohio River basin in 11 states: Alabama, Georgia, Indiana, Kentucky, New York, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, and West Virginia. The Ohio lamprey used to be found in Illinois, but is now considered to be extirpated; the last sighting was in 1918.

References[edit]

  1. ^ Van Der Laan, Richard; Eschmeyer, William N.; Fricke, Ronald (11 November 2014). "Family-group names of Recent fishes". Zootaxa. 3882 (1): 1–230. doi:10.11646/zootaxa.3882.1.1. PMID 25543675.
  2. ^ Froese, R.; Pauly, D. (2017). "Petromyzontidae". FishBase version (02/2017). Retrieved 18 May 2017.
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