The tiger sharksdetect prey using their finely tunedsenses. Powered by Create your own unique website with customizable templates. Coral reefs are some of the most diverse ecosystems in the world. Therefore, aggregating in coral reef fishes, a common phenomenon, may serve to dilute predation risk and increase individual foraging effort in social groups of pomacentrids. A single storm seldom kills off an entire colony, but slow-growing corals may be overgrown by algae before they can recover Coral reefs face numerous threats. Open Ocean. Also, rows of razor-sharp teethand powerful jaws allow them to crackthe thick caparace (shell) of the prey,the sea turtles. PredationA predator- prey example in a coralreef is the one with the tiger shark andGreen Sea Turtle. Top predators are at the top of the food chain and have no predators of their own. In this example of a coral reef, there are producers, consumers, and decomposers. The sharks use electrical current detection and finely tuned senses to track their prey. Coral polyps, the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms.Thousands of species of corals have been discovered; some live in warm, shallow, tropical seas and others in the cold, dark depths of the ocean. The Tiger shark and the green sea turtle Tiger sharks (Galeocerdo cuvier) hunt green sea turtles using several key adaptations. Weather-related damage to reefs occurs frequently. Producers make up the first trophic level. The open ocean or pelagic zone is the largest area of the marine ecosystem and contains a diverse environment of life. Large and powerful waves from hurricanes and cyclones can break apart or flatten large coral heads, scattering their fragments (Barnes & Hughes, 1999; Jones & Endean, 1976). These predator-prey relationships make up the food web. While most example of commensalism in reef habitats occur between other species like fish and sea cucumbers or anemones, there are several instances of commensal relations between coral and shrimps and crabs … Coral Reef Commensalism. These results suggest that nonlethal predator-prey interactions may have an important effect on food ingestion rates and therefore energy uptake of coral reef fish. Commensalism What is it? the general hypothesis that a coral reef ecosystem with many apex predators also will have many herbivorous fish.16 Notably, most of the dominant predators found in the NWHI were rare or absent in the MHI.17 These studies illustrate that a typical trophic pyramid for an unfished coral reef is actually inverted, meaning that Coral predators are a natural part of a healthy coral reef ecosystem. Without this crucial predator-prey balance, the algae would over-grow, which would then kill coral, as they compete for the same resources. Although the pelagic zone has the greatest volume and vertical range of any life zone, it is only home to about 10% of all marine species. Predator-prey relationships. A form of symbiosis "in which the symbiont benefits but there is an insignificant, or at least poorly known, effect on its host.". Sharp teeth organized and strengthened in rows plus a powerful jaw help the shark crack even the tough carapace, or shell, of adult turtles. Between predator-prey and competitive relationships, it may seem that organisms are alone in the world, fighting to survive and reproduce. Different predators eat different kinds of prey until a top predator is reached. However, excessive densities of some corallivores, such as crown-of-thorns starfish (Acanthaster planci) and coral-eating snails (mainly Drupella spp.
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