What does chrondrichthyes mean?

1. What does the term Chondrichthyes literally mean?
2. What does Chondrichthyes mean in Latin?
3. What are Chondrichthyes give 2 examples?
4. What is the definition of Chondrichthyes and Osteichthyes?
5. What is the meaning of the class of the shark?
6. What kind of fish is a shark?
7. How do chondrichthyes eat?
8. Is Chondrichthyes a shark?
9. Is Shark a cartilaginous fish?
10. What is the name of the torpedo like body shape of sharks?
11. What does Osteichthyes stand for?
12. Are sexes separate in Osteichthyes?
13. How do Osteichthyes breathe?

What does the term Chondrichthyes literally mean?

A class of fishes that includes those with a cartilaginous skeleton. ... 'The Chondrichthyes or 'cartilaginous fishes' are so called because their internal skeletons are composed of cartilage (the stiffening substance in your nose and ears), reinforced with small bone plates.

What does Chondrichthyes mean in Latin?

Modern Latin, from Greek khondros 'cartilage' + ikhthus 'fish'.

What are Chondrichthyes give 2 examples?

Chondrichthyes are jawed fish with paired fins, paired nostrils, scales, two-chambered hearts, and skeletons made of cartilage (rather than bone). They are divided into two subclasses: elasmobranchii (sharks, rays and skates) and Holocephali (chimaera, sometimes called ghost sharks).

What is the definition of Chondrichthyes and Osteichthyes?

Definition. Chondrichthyes refers to a class of fishes that includes those with a cartilaginous skeleton while Osteichthyes refers to a class of fishes that includes those with a bony skeleton.

What is the meaning of the class of the shark?

CLASS. ... Sharks belong to the Class Chondrichthyes. This includes all fish that have a skeleton made of cartilage. They're further divided into two Sub-classes. Elasmobranchii (sharks, skates and rays) and Holocephali (chimaera).

What kind of fish is a shark?

Sharks are a special type of fish known because their body is made out of cartilage instead of bones like other fish. The classification of this type of fish is "elasmobranch." This category also includes rays, sawfish, and skates.

How do chondrichthyes eat?

Rays eat mostly fishes and invertebrates with their blunt teeth. Some even consume plankton and small organisms. Between the shark and the ray, the two animals prey on nearly everything that swims.

Is Chondrichthyes a shark?

Sharks belong to the class Chondrichthyes (chondrichthyans), which differ from Osteichthyes or bony fish as their skeleton is cartilaginous.

Is Shark a cartilaginous fish?

Cartilaginous skeleton

Unlike fishes with bony skeletons, a shark's skeleton is made out of cartilage. ... Sharks, rays, skates, and chimaeras (also know as rat fishes) all have cartilaginous skeletons. Cartilage is less dense than bone, allowing sharks to move quickly through the water without using too much energy.

What is the name of the torpedo like body shape of sharks?

These shapes are: Fusiform: More or less torpedo-shaped with a slightly rounded head and a long, thin tapering body. Examples include wahoo, barracudas, tunas and many open-ocean sharks such as blues, makos and oceanic whitetips. Generally speaking, fusiform-shaped fishes are the fastest swimmers.

What does Osteichthyes stand for?

Osteichthyes is a taxonomic group of fish that have skeletons composed of bone tissue (instead of cartilage). They are popularly known as bony fish.

Are sexes separate in Osteichthyes?

Sexual maturity means that they are capable of producing offspring. Through this process, most Osteichthyes develop into either males or females. There are some hermaphroditic Osteichthyes, meaning they have both male and female sex organs, but they do not make up the majority of this class.

How do Osteichthyes breathe?

But instead of lungs, bony fishes have an organ called gills. Water is swallowed by the fish, passed over the gills, and then interacts with the gill filaments, which help the fish to extract dissolved oxygen from the water.