Which characteristic do jawless fish and cartilaginous fish have in common?

The main similarity between Jawless fish and cartilaginous skeleton is their skeleton makeup. Cartilaginous fish have an endoskeleton made primarily out of cartilage rather than bone.

What do jawless fish and cartilaginous fish have in common?

Their skeletons are made of cartilage, just like the skeletons of the jawless fishes. However, they do have jaws and pairs of fins. Their bodies are covered with pointed, toothlike scales.

Which characteristic do jawless fish and cartilaginous fish have in common Brainly?

Answer: Gills, Scales, swim bladder, and backbone.

What are 2 similarities and 2 differences between cartilaginous and bony fish?

Difference Between Bony Fish and Cartilaginous Fish

Bony Fish Cartilaginous Fish
They are both fresh water as well as marine. They are marine.
Endoskeleton is made up of bone. Endoskeleton is made up of cartilage.
They have 4 pairs of gills. They have 5-7 pairs of gills.
Cloacal aperture is absent. Cloacal aperture is present.
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What are the similarities and differences between the bony and cartilaginous fish?

In bony fish, the gills are covered by an external flap of skin, known as the operculum. In cartilaginous fish, the gills are exposed and not protected by any external skin. The majority of fish, whether bony or cartilaginous, have five pairs of gills.

What do all cartilaginous fish have in common?

The cartilaginous fish are jawed fish with paired fins, paired nostrils, scales, two-chambered hearts, and skeletons made of cartilage rather than bone.

Why are sharks cartilaginous fish?

Cartilaginous skeleton

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 are the 6 main characteristics of the jawless fish?

Characteristics they do have include:

  • A notochord, both in larvae and adults. …
  • Seven or more paired gill pouches. …
  • The branchial arches, a series of arches that support the gills of aquatic amphibians and fishes. …
  • A light sensitive pineal eye, an eye-like structure that can detect light.


What characteristics do all fish have?

5 Characteristics That All Fish Have in Common

  • All Fish Are Cold-Blooded. All fish are cold-blooded, which is also called ectothermic. …
  • Water Habitat. Another shared characteristic amongst all fish is that they live in water. …
  • Gills to Breathe. …
  • Swim Bladders. …
  • Fins for Movement. …
  • 5 Basic Needs of an Animal.


Which are examples of cartilaginous fish Brainly?

A Stingray could be an example. A shark could also be an example of a cartilaginous fish. It means any fish with cartilage.

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What are the two classes of the bony fish?

There are about 27,000 species of bony fish (Figure below), which are divided into two classes: ray-finned fish and lobe-finned fish.

What are fishes similarities and differences?

Fish are obviously animals because they move, they have sensory organs (eyes, mouth, barbels), and they have body structure (skeletons, skin, etc.). They breathe oxygen. They eat other organisms to survive. Fish are different from other animals because they live in water.

What is the fin on the top of a fish called?

The top fins are called dorsal fins. … The bottom fin at the back of the fish is called the anal fin. The tail fin is called the caudal fin. Pectoral and pelvic fins come in pairs.

What are three examples of cartilaginous fish?

Cartilaginous fish include sharks, rays, skates and chimaeras. There are approximately 600 different species of rays and skates and about 500 shark species. Rays and skates live in oceans throughout the world. Most rays and skates live on the bottom of the ocean while some live in open water.

What do chondrichthyes and osteichthyes have in common?

There are two main groups of fish based on the endoskeleton, namely Chondrichthyes and Osteichthyes. The endoskeleton of the members of Chondrichthyes is made up of cartilage while the endoskeleton of fish under the class Osteichthyes is composed of bones.

What characteristics distinguish bony fish from other fish?

Class Osteichthyes includes all bony fishes. Like all fishes, Osteichthyes are cold-blooded vertebrates that breathe through gills and use fins for swimming. Bony fishes share several distinguishing features: a skeleton of bone, scales, paired fins, one pair of gill openings, jaws, and paired nostrils.

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