#commensal — Public Fediverse posts

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While standard textbooks classify the interaction between pipefish and seagrass as strictly commensal (where the fish benefits and the grass is unaffected), real-world ecology is rarely that black-and-white. In many cases, it actually crosses over into mutualism.

#biology
#commensal
#mutualism

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The pipefish gets immense benefits: an flawless hiding spot from larger predators, a stable hunting ground filled with microscopic crustaceans, and shelter from strong ocean currents.

The seagrass, meanwhile, is completely unaffected by the tiny, lightweight fish hitching a ride in its leaves.It is the ultimate "free rider" strategy of the ocean.

#biology
#commensal
#pipefish

In biology, a commensal relationship is a type of symbiotic interaction where one organism benefits, while the other is neither helped nor harmed.

For the spotted pipefish (Stigmatopora argus), these relationships are usually forged with marine plants like seagrasses or large seaweeds.

#biology
#commensal
#pipefish

#Commensal black #rats #Rattus rattus select wild #vegetation over urbanised #habitats

https://doi.org/10.1111/oik.09671

#animals #urban #ecology #ecosystems