What does Hypural mean?

Definition of hypural (Entry 1 of 2) : of, relating to, or constituting the bony structure chiefly formed of the expanded and more or less fused hemal spines of the last few vertebrae that supports the caudal fin rays in most teleost fishes. hypural. noun.

What are fish Pterygiophores?

Definition of pterygiophore : one of the cartilaginous or bony elements (as basalia and radialia) by which rays of the fin of a fish are supported : actinost.

What does a fish’s lateral line do?

The lateral line is a sensory system that allows fishes to detect weak water motions and pressure gradients.

What is the meaning of a dorsal fin?

A dorsal fin is a fin located on the back of most marine and freshwater vertebrates within various taxa of the animal kingdom.

What is pectoral fin?

The pectoral fins are the two fins located on the sides of a fish (or marine mammal). These fins are primarily responsible for control of directional movement, up and down or side to side.

What is the meaning of Teleostei?

adjective belonging or pertaining to the Teleostei, a group of bony fishes including most living species. any bony fish of the subclass Teleostei, having rayed fins and a swim bladder: the group contains most of the bony fishes, including the herrings, carps, eels, cod, perches, etc

What is the origin of the word teleost?

History and Etymology for teleost ultimately from Greek teleios complete, perfect (from telos end) + osteon bone — more at osseous Learn More About teleost Time Traveler for teleost

What is an example of a teleost fish?

It is seen that the two upper arches on each side are obliterated, as indeed they already are in some teleost fishes. Our common teleost fish, like perch and cod, appeared much later. Such for example is the case in some teleost fishes, as the pickerel (Fig. 48).