Which of the following fish is a surface feeder?
Catla
Common Carp
Mrigal
Rohu
Catla is a surface feeder that consumes the food available at the surface of water.
Question 14 Which one of the following fishes is a surface feeder? (a) Rohus (b) Mrigals (c) Common carps (d) Catlas
Most of the water surface of a lake is covered with algae. This alga is part of the food chain which also includes small fish, bird, larvae and big fish. Which of the following will obtain the maximum energy?
(a) big fish (b) bird (c) larvae (d) small fish