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Topic: Alopiidae


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  Alopiidae: Thresher Sharks   (Site not responding. Last check: 2007-10-24)
These unprecedented results suggest that all these sharks are genetically very similar, having changed relatively little since they diverged from the common ancestor of their meta-group.
Compagno recently (1990) proposed a close affinity between the Megamouth Shark and the threshers; this is intuitively appealing, as the structure of the second dorsal fin, anal fin, and tail of both groups (Megachasmidae and Alopiidae) is strikingly similar.
The interpretation followed here (depicted in the cladogram above) is that, 1) the odontaspidids form a primitive sister taxon to the meta-group consisting of the alopiid, megachasmid, and psudocarchariid sharks, and 2) the alopiids branch off next, forming a primitive sister taxon to the megachasmid and pseudocarchariid sharks.
www.elasmo-research.org /education/shark_profiles/alopiidae.htm   (602 words)

  
 Diel vertical migration of the bigeye thresher shark (Alopias superciliosus), a species possessing orbital retia ...   (Site not responding. Last check: 2007-10-24)
Diel vertical migration of the bigeye thresher shark (Alopias superciliosus), a species possessing orbital retia mirabilia.
Fishery Bulletin; 1/1/2004; Block, Barbara A. The bigeye thresher shark (Alopias superciliosus, Lowe 1841) is one of three sharks in the family Alopiidae, which occupy pelagic, neritic, and shallow coastal waters throughout the tropics and subtropics (Gruber and Compagno, 1981; Castro, 1983).
All thresher sharks possess an elongated upper caudal lobe, and the bigeye thresher shark is distinguished from the other alopiid sharks by its large upward-looking eyes and grooves on the top of the head (Bigelow and Schroeder, 1948).
highbeam.com /doc/1G1:121207684/Diel+vertical+migration+of+the+...   (3658 words)

  
 M24.htm
Alopias vulpinus thresher shark, family Alopiidae, from Fitzinger 1862.
Family Alopiidae, the thresher sharks, contains three species all in the genus Alopias.
Immediately recognizable by their elongated upper caudal lobe, they reach up to 5.5 meters in length.
www.meer.org /M24.htm   (522 words)

  
 Alopias vulpinus
sharks alopiidae: Alopias vulpinus (Bonnaterre, 1788) (Squalus vulpinus Bonnaterre, 1788, Squalus vulpes Gmelin, 1789, Carcharias vulpes Cuvier, 1817, Vulpecula marina De Buen...
Alticus: Saltwater Fish Species in Persian Gulf Alopias vulpinus, Alopiidae, pelagic, 760 TL, 4.5, native.
Alopias vulpinus, Alopiidae, pelagic, 760 TL, 4.5, native.
fish.mongabay.net /A/Alopias_vulpinus.shtml   (1702 words)

  
 Thresher Shark, Alopias vulpinus
Cross section of the Thresher Shark in front of the tail.
All the thresher sharks (Family Alopiidae) have an extremely long upper lobe of the caudal fin.
The tail is used to herd and stun small fishes upon which the shark feeds.
www.amonline.net.au /fishes/fishfacts/fish/avulpinus.htm   (206 words)

  
 Lamniformes: Mackerel Sharks   (Site not responding. Last check: 2007-10-24)
In some lamnoids - such as thresher sharks (family Alopiidae) - the 'intermediate' is not significantly reduced and distinction between lateral and posterior teeth can likewise be very difficult.
Perhaps the most active lamnoids belong to two families: the mackerel sharks (Lamnidae) - which includes two species of mako (genus Isurus) and the Great White (Carcharodon carcharias) - and the thresher sharks (Alopiidae).
Lamnids and alopiids have portions of their circulatory system modified in a way which enables them to retain metabolic heat, making them functionally warm-blooded.
www.elasmo-research.org /education/shark_profiles/lamniformes.htm   (559 words)

  
 Bibliography of the Mediterranean Shark Research Group
CIGALA FULGOSI F. First record of the “big-eyed thresher” Alopias superciliosus (Lowe, 1840)(Selachii, Alopiidae) in the Mediterranean, with notes on some fossil species of the genus Alopias.
denticulatus, Cappetta, 1981 in the Bartonian-Priabonian of the M.Piano Marl (Northern Apennines) and of Alopias superciliosus (Lowe, 1840) in the Pliocene of Tuscany (Chondrichthyes, Alopiidae).
MORENO J.A. (In press) Grandes tiburones de interés pesquero del Atlántico Nororiental y Mediterráneo Occidental.(LAMNIDAE y ALOPIIDAE).
freeweb.supereva.com /alessandrodemaddalena/bibliography.html   (5600 words)

  
 Alopiidae - Dictionnaire Français-Anglais WordReference.com
We found no English translation for 'Alopiidae' in our French to English Dictionary.
Or did you want to translate 'Alopiidae' from English to French?
Forum discussions with the word(s) 'Alopiidae' in the title:
www.wordreference.com /fren/Alopiidae   (49 words)

  
 Madagascar Sharks
Pelagic thresher - Alopias pelagicus (Family ALOPIIDAE - Thresher Sharks)
Bigeye thresher - Alopias superciliosus (Family ALOPIIDAE - Thresher Sharks)
Thresher shark - Alopias vulpinus (Family ALOPIIDAE - Thresher Sharks)
sharks.wildmadagascar.org   (3574 words)

  
 Glossary Searched Term   (Site not responding. Last check: 2007-10-24)
Fishes of the Family Alopiidae, Order Lamniformes (mackerel sharks).
See FishBase for more information on this Family.
Poissons de la famille des Alopiidae, ordre des Lamniformes (requins maquereaux).
www.fishbase.org /Glossary/Glossary.cfm?TermEnglish=Thresher+sharks   (57 words)

  
 Alticus
Alopias pelagicus, Alopiidae, pelagic, 330 TL, 4.5, native.
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www.mongabay.com /topics/Alticus.htm   (100 words)

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