Symbiotic relationships in coral reefs
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Symbiotic Relationships in Coral Reefs. Symbiosis. “Living Together”. Types of Symbiosis. Mutualism Both the symbiont and host benefit. Commensalism The symbiont benefits with little effect on the host. Parasitism The symbiont benefits to the detriment of the host. Aegism

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Symbiotic Relationships in Coral Reefs

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Symbiotic relationships in coral reefs

Symbiotic Relationships in Coral Reefs


Symbiosis

Symbiosis

“Living Together”


Types of symbiosis

Types of Symbiosis

  • Mutualism

    • Both the symbiont and host benefit.

  • Commensalism

    • The symbiont benefits with little effect on the host.

  • Parasitism

    • The symbiont benefits to the detriment of the host.


Symbiotic relationships in coral reefs

  • Aegism

    • An association for protection

  • Inquilism

    • One organism shelters within another organisms

  • Endoecism

    • One org shelters in the burrow or defensive shelter of another

  • Phoresis

    • One org uses another for transportation

  • Epizoism

  • - A sessile org lives on top of another


Obligate versus facultative relationships

Obligate Versus FacultativeRelationships


Symbiotic relationships in coral reefs

Obligate Relationship:

Relationship is necessary for organism to survive

Ex. coral and zooxanthellae

Facultative Relationship:

Can survive without symbiont, but not as well

Ex. anemone fish and anemone


Mutualism

Mutualism


Zooxanthellae and corals

zooxanthellae and corals


Symbiotic relationships in coral reefs

  • Zooxanthellae give corals:

  • Increase coral growth by enhancing calcification process

  • Provide energy

  • Give oxygen

  • Coral give zooxanthellae:

  • Nitrogen waste

  • A place to live

  • Carbon dioxide waste

  • Protection through their hard skeletons and stinging cells

  • Harmful UV light is filtered by coral pigments


Symbiotic relationships in coral reefs

Trapezia crab coming out of its host coral (Pocillopora damicornis) to attack the arm of an invading Crown of Thorns Starfish


Anemonefish and sea anemones

anemonefish and sea anemones


Goby shrimp and the hawaiian shrimp goby

goby shrimp and the Hawaiian shrimp goby


Cleaner wrasse cleaning stations

cleaner wrasse cleaning stations


Banded coral shrimp

banded coral shrimp


Scarlet cleaner shrimp

scarlet cleaner shrimp


Pompom crabs and sea anemones

pompom crabs and sea anemones


Anemone hermit crab and sea anemones

anemone hermit crab and sea anemones


Symbiotic relationships in coral reefs

Camouflage

Decorator Crab

Sponge crab


Symbiotic relationships in coral reefs

Hunting strategies


Symbiotic relationships in coral reefs

Mangrove and sponges


Commensalism

Commensalism


Sea cucumber crab and sea cucumbers

sea cucumber crab and sea cucumbers


Christmas tree worms and porites corals

Christmas tree worms and Porites corals


Coral shrimps and corals

coral shrimps and corals


Gall crabs and pocilloporid corals

gall crabs and pocilloporid corals


Petroglyph shrimp and porites lobata

petroglyph shrimp and Porites lobata


Squat anemone shrimp and sea anemones

squat anemone shrimp and sea anemones


Crabs and sea anemones

crabs and sea anemones


Sea star shrimp and sea stars

sea star shrimp and sea stars


Urchin shrimp and sea urchins

urchin shrimp and sea urchins


Shrimpfish sea urchins

shrimpfish & sea urchins


Symbiotic relationships in coral reefs

Barnacles on whale


Symbiotic relationships in coral reefs

Remora on whale shark (open water)


Symbiotic relationships in coral reefs

Parasitism


Epitomium snails and mushroom corals

Epitomium snails andmushroom corals


Parasitic flatworms and rice coral

parasitic flatworms and rice coral


Parasitic nudibranchs

parasitic nudibranchs


Coral zits on porites compressa

coral “zits” on Porites compressa


Bacterial diseases on corals

bacterial diseases on corals


Symbiotic relationships in coral reefs

Ewa “fangtooth” blenny


Symbiotic relationships in coral reefs

Cookie-cutter shark


Symbiotic relationships in coral reefs

Inquiry

  • Define mutualism, commensalism, and parasitism.

  • Provide examples of each.

  • What are the benefits the zooxanthellae and coral receive?


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