Which group of fish do cartilaginous fish belong to?

Which group of fish do cartilaginous fish belong to?

class Chondrichthyes
Cartilaginous fish in the class Chondrichthyes include the subclass elasmobranchs (sharks, skates, and rays) and the older subclass of holocephalins (chimeras and elephant fish). Cartilaginous fish are the oldest extant jawed vertebrates or gnathostomes.

What group do fish belong to?

For example, fish belong to the kingdom Animalia, the phylum Chordata, and from there are grouped more specifically into several classes, orders, families, and thousands of genus and species.

What are cartilaginous fish called?

Chondrichthyes
Cartilaginous fish are also known as Chondrichthyes and have one or two dorsal fins, a caudal fin, an anal fin, and ventral fins which are supported by girdles of the internal skeleton. Placoid scales, or dermal teeth, are characteristic of the skin of both sharks and rays.

What is the sister group to cartilaginous fish?

The Chondrichthyes (cartilaginous fishes) are commonly accepted as being sister group to the other extant Gnathostomata (jawed vertebrates).

Are fish mammals reptiles or amphibians?

Fish are vertebrates that live in water and have gills, scales and fins on their body.

What group of cartilaginous fish includes skates and sawfish?

Classification. The class Chondrichthyes has two subclasses: the subclass Elasmobranchii (sharks, rays, skates, and sawfish) and the subclass Holocephali (chimaeras). To see the full list of the species, click here. Elasmobranchii is a subclass that includes the sharks and the rays and skates.

What animals have cartilaginous Endoskeletons?

A skeleton made for swimming A group of fishes called elasmobranchs—sharks, rays, skates, and chimeras—have endoskeletons made entirely of cartilage, a type of strong, flexible tissue.

What kind of fish are cartilaginous in structure?

Flexible but still tough, cartilage provides enough structural support to enable these fish to grow to enormous sizes. Cartilaginous fish include sharks, rays, skates, and chimaeras. These fish all fall into the group called elasmobranchs.

What kind of bones do bony fish have?

However all fish can be split up into two groups: bony fish or cartilaginous fish. These two groups of fish have different skeletal structures. Bony fish, formally known as osteichthyes have skeletons that are made up primarily of bones. In this article we’re going to look at some examples of cartilaginous fish.

What are the three main groups of fish?

Instead, it encompasses several, distinct groups. The following is an introduction to three basic fish groups: bony fishes, cartilaginous fish, and lampreys.

Are there any other animal groups besides fish?

Other basic animal groups include amphibians , birds, invertebrates, mammals, and reptiles. It should be noted that the term “fish” is an informal term and it does not correspond to a single taxonomic group.