coelacanth

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coelacanth:

see lobefinlobefin,
common name for any of a group of lunged, fleshy-finned, bony fishes, also called crossopterygians, that were dominant in the Devonian period and may have given rise to amphibians.
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; fishfish,
limbless aquatic vertebrate animal with fins and internal gills. Traditionally the living fish have been divided into three class: the primitive jawless fishes, or Agnatha; the cartilaginous (sharklike) fishes, or Chondrichthyes; and the bony fishes, or Osteichthyes.
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.

coelacanth

[′sē·lə‚kanth]
(vertebrate zoology)
Any member of the Coelacanthiformes, an order of lobefin fishes represented by a single living genus, Latimeria.

coelacanth

a primitive marine bony fish of the genus Latimeria (subclass Crossopterygii), having fleshy limblike pectoral fins and occurring off the coast of E Africa: thought to be extinct until a living specimen was discovered in 1938
References in periodicals archive ?
An international team of researchers join forces to decode the genome of the once-thought-to-be-extinct African coelacanth
This trait is one of a unique set of features that led ichthyologists to class the coelacanth lineage as the most closely related to early four-legged land animals called tetrapods--a kind of missing link between water and land dwellers.
But, he went on, even that was nothing compared to an even more humongous coelacanth which, despite great care and expert handling, somehow managed to get away right at the side of the log, due entirely to bad luck.
Any reasonable scientist would never inject himself with coelacanth blood.
Tanzanian fishermen are continuing to catch coelacanth, a rare, endangered fish that was once believed to be extinct, according to researchers.
Coelacanths, primitive fish that appeared about 400 million years ago, were believed to have become extinct about 70 million years ago.
The dwindling number of coelacanths lurk in frigid deep-sea caves near the remote Comoros Islands, 322 km (200 mi) off the east coast of Africa.
Although it isn't known why coelacanths evolve so slowly, Noonan suggested that their lifespan might be at issue.
html) In a paper published in the journal Nature on Wednesday , researchers from 40 institutions in 12 countries said they'd cracked the genetic code of the African coelacanth (
Courtenay-Latimer, a curator at a natural history museum in East London, South Africa, sent a sketch to an amateur ichthyologist who later confirmed that the fish was indeed special--a coelacanth, a member of a group known only from fossil evidence and thought to be extinct for millions of years.
Since that time, scientists have documented catches of nearly 200 coelacanths worldwide and sightings of more than 100 others.