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Fungi from Verrucariales also form marine lichens with the brown algae Petroderma maculiforme, [37] and have a symbiotic relationship with seaweed like and Blidingia minima, where the algae are the dominant components. The fungi is thought to help the rockweeds to resist desiccation when exposed to air.
The type of marine animal vary greatly, for example, sponges, sea squirts, corals, worms, and algae all host a variety of unique symbionts. [5] Each symbiotic relationship displays a unique ecological niche, which in turn can lead to entirely new species of host species and symbiont. [3]
The relationship between the Hawaiian bobtail squid and the bioluminescent bacterium Aliivibrio fischeri is one of the best studied symbiotic relationships in the sea and is a choice system for general symbiosis research. This relationship has provided insight into fundamental processes in animal-microbial symbioses, and especially biochemical ...
Over 1500 species of fungi are known from marine environments. [109] These are parasitic on marine algae or animals, or are saprobes feeding on dead organic matter from algae, corals, protozoan cysts, sea grasses, and other substrata. [110] Spores of many species have special appendages which facilitate attachment to the substratum. [111]
These marine worms are nutritionally dependent on their symbiotic chemoautotrophic bacteria lacking any digestive or excretory system (no gut, mouth, or nephridia). [49] The sea slug Elysia chlorotica's endosymbiont is the algae Vaucheria litorea. The jellyfish Mastigias have a similar relationship with an algae.
Marine protists are defined by their habitat as protists that live in marine environments, that is, in the saltwater of seas or oceans or the brackish water of coastal estuaries. Life originated as marine single-celled prokaryotes (bacteria and archaea) and later evolved into more complex eukaryotes. Eukaryotes are the more developed life forms ...
Most land plants and land ecosystems rely on mutualism between the plants, which fix carbon from the air, and mycorrhyzal fungi, which help in extracting water and minerals from the ground. [43] An example of mutualism is the relationship between the ocellaris clownfish that dwell among the tentacles of Ritteri sea anemones.
Symbiodiniaceae is a family of marine dinoflagellates notable for their symbiotic associations with reef-building corals, [1] sea anemones, [2] jellyfish, [3] marine sponges, [4] giant clams, [5] acoel flatworms, [6] and other marine invertebrates. Symbiotic Symbiodiniaceae are sometimes colloquially referred to as Zooxanthellae, though the ...