Question

Which of the following fish is a surface feeder?

• A. Eels
• B. Bass
• C. Haddock
• D. Catla

Answer 1

The correct option is D

Catla

The correct option for this question is D.

Explanation for the correct option.

Surface feeders:

1. Fish with a right-back and an upside-down mouth are known as surface feeders.
2. They can grab food from the water's surface without being seen by the hunter because of their body structure.

Catla:

1. The structure of the Catla fish is typical of fish.
2. This organism has dorsal, ventral, pelvic, and anal fins over its body, and hard scaly skin. This can be found in aquatic or freshwater bodies throughout Asia.
3. They can grow into adults up to 180 cm in length.
4. They are a surface feeder that feeds on the water's surface.

Explanation for incorrect options:

Option A

1. Eels are creatures that live in seawater. As a result, they can only be found in shallow water in oceans. It can swim because of its ray-shaped fins. That has an elongated shape that can reach a length of 5cm.
2. Eels have a one-of-a-kind swimming method in which their bodies generate waves that propel them forward or backward. As they're a bottom feeder, they cannot be used as an example of a surface feeder.

Option B

1. Another whitish-colored fish is the bass, frequently found near North American water bodies. Depending on the environment's needs, they can be discovered both in fresh and salty water.
2. Their bodies are engraved with good scaly lines and fins on the dorsal, pelvic, and anal sides.

Option C

1. Haddock belongs to the codfishes family. It has a fish-like structure with a tapering body.
2. Because of its structure, one‘s mouth is referred to as a wedge-shaped snout.
3. They have dorsal and anal fins, which help them to swim.
4. It has a slimy body and a scaly structure. It's a bottom feeder, too.

Final answer: Catla is a surface feeder.