Sea animals that do not have streamlined body?

You're right to think about this! While many sea animals have streamlined bodies for efficient swimming, there are many that don't. Here's a breakdown:

Animals that don't need to be streamlined:

* Bottom dwellers: Creatures that live on the seafloor, like crabs, lobsters, sea stars, and sea urchins, don't need to be streamlined. They move slowly and often use their legs or appendages to move around.

* Sessile animals: Animals that are attached to a surface, like barnacles, corals, and sponges, don't need to move at all, so they don't need a streamlined body.

* Floating animals: Some animals like jellyfish, Portuguese man-of-war, and certain types of plankton, rely on currents to move, so their bodies are not streamlined.

Animals that may have a less streamlined body:

* Some fish: While most fish have streamlined bodies, there are some exceptions like pufferfish, seahorses, and flatfish. They may have evolved different body shapes for camouflage, defense, or specific feeding strategies.

Important note: Even within these categories, some animals may have adapted features that help with movement in their specific environment. For example, some bottom-dwelling fish have flattened bodies that allow them to hide under rocks, while some crabs have strong claws that help them move quickly.

Let me know if you want to learn more about specific examples or want to delve deeper into the adaptations of certain sea animals!