| 词条 | Ommatokoita |
| 释义 |
| name = Ommatokoita elongata | regnum = Animalia | phylum = Arthropoda | subphylum = Crustacea | classis = Maxillopoda | subclassis = Copepoda | ordo = Siphonostomatoida | familia = Lernaeopodidae | genus = Ommatokoita | genus_authority = Leigh-Sharpe, 1926 | species = O. elongata | binomial = Ommatokoita elongata | binomial_authority = (Grant, 1827) | synonyms = Ommatokoita superba Leigh-Sharpe, 1926 }}Ommatokoita elongata is a {{convert|30|mm|in|abbr=on}} long pinkish-white parasitic copepod, frequently found permanently attached to the corneas of the Greenland shark and Pacific sleeper shark.[1][2][3] The parasites cause severe visual impairment, but it is thought that the sharks do not rely on keen eyesight for their survival.[2] It was speculated that the copepod may be bioluminescent and thus form a mutualistic relationship with the shark by attracting prey, but this hypothesis has not been verified.[4] It is the only species in the genus Ommatokoita.[5] References1. ^{{cite journal |last1=Borucinska |first1=J. D. |last2=Benz |first2=G. W. |last3=Whiteley |first3=H. E. |title=Ocular lesions associated with attachment of the parasitic copepod Ommatokoita elongata (Grant) to corneas of Greenland sharks, Somniosus microcephalus (Bloch & Schneider) |journal=Journal of Fish Diseases |volume=21 |issue=6 |year=1998 |pages=415–22 |doi=10.1046/j.1365-2761.1998.00122.x }} {{Taxonbar|from=Q3809036}}{{copepod-stub}}2. ^1 {{cite journal |last1=Benz |first1=George W. |last2=Borucinska |first2=Joanna D. |last3=Lowry |first3=Lloyd F. |last4=Whiteley |first4=Herbert E. |title=Ocular lesions associated with attachment of the copepod Ommatokoita elongata (Lernaeopodidae: Siphonostomatoida) to corneas of Pacific sleeper sharks Somniosus pacificus captured off Alaska in Prince William Sound |journal=The Journal of Parasitology |volume=88 |issue=3 |pages=474–81 |year=2002 |pmid=12099414 |doi=10.1645/0022-3395(2002)088[0474:OLAWAO]2.0.CO;2 }} 3. ^{{cite web |url=http://www.elasmo-research.org/education/topics/lh_somniosus.htm |title=Greenland sharks and parasites |first1=R. Aidan |last1=Martin |date=October 4, 1998}}{{self-published inline|date=August 2016}} 4. ^{{cite journal |last1=Berland |first1=Bjørn |title=Copepod Ommatokoita elongata (Grant) in the Eyes of the Greenland Shark—a Possible Cause of Mutual Dependence |journal=Nature |volume=191 |issue=4790 |year=1961 |pages=829–30 |bibcode=1961Natur.191..829B |doi=10.1038/191829a0 }} 5. ^{{cite web |author=Geoff Boxshall |title=Ommatokoita Leigh-Sharpe, 1926 |editor1=T. Chad Walter |editor2=Geoff Boxshall |year=2009 |work=World Copepoda database |publisher=World Register of Marine Species |url=http://www.marinespecies.org/aphia.php?p=taxdetails&id=135608 |accessdate=March 8, 2010}} 2 : Siphonostomatoida|Monotypic arthropod genera |
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