This class of animals are all ectoparasites on some fishes

This class of animals are all ectoparasites in some fishes:

Which class of animals includes all ectoparasities on some fishes

All living members are ectoparasites on some fishes in

Louse is ectoparasite of

Members of which class are ectoparasites on true fishes ?

Give examples of ectoparasites .

Give the answer of following questions by observatios from given figures: (i). Which fish has air bladder? (ii) which fish is known as saw fish? (iii) which fish is cartilaginous fish? (iv). Which animal is ectoparasite on true fishes? (v) Which fish has paired fins? (vi) which fishh has body skeleton? (vii) Which fish has 4-pairs of gills? (viii) Whch fis has operculum? (ix) Which fishes are viviparous? (x) Which fish lives in fresh water?

Give the answer of following questions by observatios from given figures: (i). Which fish has air bladder? (ii) which fish is known as saw fish? (iii) which fish is cartilaginous fish? (iv). Which animal is ectoparasite on true fishes? (v) Which fish has paired fins? (vi) which fishh has body skeleton? (vii) Which fish has 4-pairs of gills? (viii) Whch fis has operculum? (ix) Which fishes are viviparous? (x) Which fish lives in fresh water?