Mulm and Detritus in the Aquarium, not what you think it is. ~ Aquarium Science

Detritus and Mulm are commonly misunderstood in the aquarium hobby with quite a lot of myths regarding what they are and their purpose. What is their purpose in a natural or scientific aquarium? Are they needed for the feeding of aquarium fishes?

This is useful to discuss for freshwater biologists particularly those interested in Loricariids and discus.

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References:
Crampton, W. G. (2008). Ecology and life history of an Amazon floodplain cichlid: the discus fish Symphysodon (Perciformes: Cichlidae). Neotropical Ichthyology, 6, 599-612.

Lujan, N. K., Winemiller, K. O., & Armbruster, J. W. (2012). Trophic diversity in the evolution and community assembly of loricariid catfishes. BMC Evolutionary Biology, 12(1), 1-13.

Yossa, M. I., & Araujo‐Lima, C. A. R. M. (1998). Detritivory in two Amazonian fish species. Journal of Fish Biology, 52(6), 1141-1153.

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