Best answer: Why does a fish has slippery scales on its body?

Fish secrete a glyco-protein slime from the cells in their skin to make it harder for parasites to attach. Some fish even secrete toxins into the slime to deter predators. Fish scales provide protection and reduce water turbulence.

Why does a fish have slippery scales on its body Class 6?

Why does a fish have slippery scales on its body? Answer: … These scales protect the fish and also help in easy movement through water.

What will happen if a fish does not have slippery or scaly skin?

Explanation: Without the slippery and scaly skin ,fishes cannot move easily in water.

Do bodies have slippery scales?

Slippery scales present on the body of fishes help them in provide easy movement in water as well as protection from predators. The scales are too slippery because the epidermal cells (present below the scales), secrete mucous.

What is a habitat class 6th question?

(a) The presence of specific features, which enable a plant or an animal to live in a particular habitat, is called adaptation. (b) The habitats of the plants and animals that live on land are called terrestrial habitat. (c) The habitats of plants and animals that live in water are called aquatic habitat.

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Which fish do not have scales?

Fish that do not have scales include catfish, sharks, rays, chimaeras, skates, moray eels, sturgeons, paddlefishes, salifin blennies, combtooth blennies, hagfishes and lampreys.

What do you think is responsible for the slimy feeling of fish skin?

Slime is secreted from cells in the very outside layer of the skin. … The cells produce what is called a glyco-protein, which is then mixed with the water making the slimy mucus. Slime is important for fish to regulate many necessary body functions, including protection against parasites.

Which layer is absent from fish skin?

In ganoid scales the hard outer layer is different chemically and is called ganoin. Under this is a cosminelike layer and then a vascular bony layer. The thin, translucent bony scales of modern fishes, called cycloid and ctenoid (the latter distinguished by serrations at the edges), lack enameloid and dentine layers.

How do fish scales feel?

Fish scales are smooth to help them glide through the water, and some reflect light to help camouflage them underwater. … Their tough skin is covered with placoid scales – small, spiny, irregular-shaped scales called dermal denticles (“skin teeth”). This gives them a sandpaper-like feel.

What does a fish feel like to touch?

An analysis of the cellular structures of the fin revealed the presence of cells that closely resemble Merkel cells, which are associated with nerve endings in the skin of mammals and are essential for touch. “Like us, fish are able to feel the environment around them with their fins.

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Do fish have skin or scales?

A fish scale is a small rigid plate that grows out of the skin of a fish. … Most bony fishes are covered with the cycloid scales of salmon and carp, or the ctenoid scales of perch, or the ganoid scales of sturgeons and gars. Cartilaginous fishes (sharks and rays) are covered with placoid scales.

What is a habitat very short answer?

A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. … The main components of a habitat are shelter, water, food, and space. A habitat is said to have a suitable arrangement when it has the correct amount of all of these.

What is Habitat give example?

Habitat examples include lakes, streams, forests, deserts, grasslands, or even a drop of water. All habitats on the Earth are part of the biosphere. Because the Earth is always changing, habitats are constantly changing. Global habitats that have similar climates and plants are called biomes.

What is Habitat answer the question?

The surroundings where plants and animals live is called their habitat. For example, the habitat of a frog is fresh water, while the habitat of a camel is a desert.

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