Question

what are the features of class Pisces

Answer 1

The main features of Pisces are:

(i) They are exclusively water living animals and include the fishes.

(ii) Their skin is covered with scales/plates.

(iii) They obtain oxygen dissolved in water by using gills.

(iv) Their body is streamlined, and a muscular tail is used for movement.

(v) They are cold-blooded and their hearts have only two chambers.

(vi) They lay eggs.

(vii) Some fish varieties have their skeletons made of both bone and cartilage, such as Anabas, Sea horse, Rohu, and some have their skeletons made entirely ofbone, e.g., Torpedo fish and Sting ray (Trygon).

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Answer 2

Hey there!!
Down here⏬

Phylum.Vertebrate is divided into 5, one of them being, PISCES

> PISCES

• These are fishes

• They are aquatic animals

• This skin is covered by scales and plates.

• Thier body is streamlined.

• They are cold-blooded

• They are oviparous (lays eggs)

• They have 2 chambered hearts

• Thier skeletons are made up of cartilage, such as sharks and some with skeletons of both bone and cartilage, such as rohu

•E.g. : Rohu, tuna, shark

Hope it helps.
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