What are the special features of a fish?

Unlike mammals, fish are cold-blooded (ectothermic). This means that they do not maintain a constant internal body temperature; instead, their temperature is greatly influenced by their environment. True fish have a backbone and fins. Most also breathe with gills and have scales that cover their bodies.

What is the main features of fish?

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.

What special features do fish live in water?

The features which help fishes to adapt to live in water:

  • Streamlined, spindle-shaped body which is covered with scales. …
  • Skeleton is made up of thin bones with the flexible backbone.
  • Flat fins and tails to help them swim, change direction and to keep the body balanced.

What are 10 characteristics of a fish?

CHARACTERS

  • Fishes are aquatic; cold blooded vertebrates.
  • Their body is divisible into head, trunk and tail. …
  • It has a spindle shaped body. …
  • The body is covered by scales. …
  • Respiration is by gills. …
  • On the head a pair of nostrils are present internal nostril are absent. …
  • On the head a pair of eyes is present.
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What four special characteristics do fish have?

All fish have backbones (vertebrae) for support and movement. 6. Suggest that students memorize the initials “WGFB” to assist them in remembering the four main traits of fish: “Water, Gills, Fins, Backbone.”

What are the three adaptive features of fish?

Adaptations for Water

  • Fish have gills that allow them to “breathe” oxygen in water. …
  • Fish have a stream-lined body. …
  • Most fish have several fins for swimming. …
  • Fish have a system of muscles for movement. …
  • Most fish have a swim bladder.

What features do fishes have to adapt to their environment?

Fish have adapted to their environment through the evolution of gills, swim bladders and fins. Gills allow fish to absorb oxygen from the water, swim bladders allow fish to maintain an appropriate level of buoyancy and fins allow the fish to move through the water.

What is a fact about fish?

Fish have scales.

Scales are what cover the bodies of fish. Scales overlap each other and are unique to the species of the fish. Their scales can get rather slimy, but that’s okay, because it helps them to move through the water. What is this?