coelacanth

/see-luh-kanth/US // ˈsi ləˌkænθ //UK // (ˈsiːləˌkænθ) //

腔棘鱼,浣熊鱼,腔肠动物,珊瑚鱼

Definitions

n.名词 noun

1
- : a crossopterygian fish, Latimeria chalumnae, thought to have been extinct since the Cretaceous Period but found in 1938 off the coast of southern Africa.

This is the case with nautilus and another bellwether species, the coelacanth.
Scientists have observed very few coelacanths partially due to their mysterious behavior—they spend most of the day clustered together in volcanic caves.
Fishing, channel dredging, submarine blasting, and deep-water port construction, all threaten coelacanths, classifying the creatures as endangered and threatening their 360-million-year run on the planet.
Ernande says his team is uncertain why every coelacanth specimens deposit bold bands every fifth year.
Thus, coelacanths may be able to live to the ripe old age of 100, and they don’t reach sexual maturity until their forties to sixties.
The coelacanth fishes from the Rock Lake shale are part of the varied fauna collected from Garnett.
A synopsis of the coelacanth fishes of the Yorkshire Coal Measures.
All are of the coelacanth type, having Y-shaped neural and haemal arches, without centra.
The knoblike antotic processes on the basisphenoid are unlike those of any other known coelacanth.
Coelacanth fishes from the continental Triassic of the western United States.