Scoliodon is called Dog Fish because of its

Scoliodon is also called

Scoliodon is called dogfish due to one of its follwing characteristics

Scoliodon is commonly called dogfish due to one of its following characteristics

Petromyzon is not a true fish because of

Petromyzon is not a true fish because of

Assertion :- Scoliodon (Dog fish) have to swim constantly to avoid sinking. Reason :- It does not have air bladder.

If rat is called dog, dog is called mongoose, mongoose is called lion, lion is called snake and snake is called elephant, which is reared as pet? I) Rat 2) Dog 3) Mongoose 4) Lion 5) None of these

Carcharodon is (A) Dog fish (B) Great white shark (C) Sting ray (D) Saw fish

Two examples of fishes are given. - Scoliodon (Dogfish) - Exocoetus (Flying fish). a) Place them in two distinct classes. b) Differentiate the above classes on the basis of two important characters.