Depends on the fish and the habitat. I believe that they can be secondary consumers and up. I dont think they can be primary consumers, because these are mostly autotrophic, and fish (according to what I know) are heterotrophic.
secondary.
no, a fish is a primary consumer
Yes, a dolphin is a secondary consumer in that a dolphin eats fish. These fish often eat plants, making fish the primary consumers.
primary consumer
Larger fish on the reef are secondary consumers. They are secondary consumers as they eat the primary consumers such as smaller fish and plankton.
primary
Yes, a dolphin is a secondary consumer. Dolphins feed on fish and squid, which are primary consumers that feed on producers like algae. As a result, dolphins occupy the secondary consumer level in the food chain.
yes
primary
primary
Yes they are secondary consumers because they eat fish, which is sort of the meat of the sea.
The ones that eat vegetation are primary consumers. The fish that eat other fish are secondary consumers