Which of the following type of mouth is present in bottom feeders?

Correct option is C

Correct Answer: (c) Sub-terminal
Explanation:
→ Bottom-feeding fishes possess a sub-terminal (inferior) mouth that points downward to help pick food from the substrate.
→ Common in carps, catfishes, and loaches.
Information Booster:
→ Often accompanied by barbels for tactile feeding.
→ Adaptation for detritus or benthic invertebrates.