Two of the most common ones (sexual side effects and weight gain) are serious enough to cause people to stop or change antidepressant medications. Here are seven important antidepressant side effects you need to be aware of: Physical Symptoms.hen you first begin antidepressant treatment, depression medication side effects can be physical symptoms like headache, joint pain, muscle aches, nausea, skin rashes, or diarrhea. These symptoms are usually mild and temporary.
Predators & defenses : Many different types of animals prey on adult sea urchins, including birds, sea otters, fishes, crabs, lobsters, octopuses, and sea stars. Eggs and larvae of sea urchins are eaten by many types of carnivorous zooplankters and by suspension-feeding invertebrates including hydroids, sea anemones, and mussels, just to name a few.
Body of sea urchins has radial symmetry. That means that each sea urchin can be divided in five equal parts. Color of sea urchins depends on the species. Majority of species are black, brown, purple, red or green in color. Sea urchins have 5 rows of paired tube feet on the bottom side of the body.They end with suckers which facilitate adhesion to rocks, hunt and movement on the ocean floor.hat means that each sea urchin can be divided in five equal parts. Color of sea urchins depends on the species. Majority of species are black, brown, purple, red or green in color. Sea urchins have 5 rows of paired tube feet on the bottom side of the body.