Tag Archives: crustaceans

Shell Games: How different Hermit Crabs coexist

From: “Shell resource partitioning as a mechanism of coexistence in two co-occurring terrestrial hermit crab species”, S. Steibl & C. Laforsch (2020), BMC Ecology 20:1 https://doi.org/10.1186/s12898-019-0268-2 A fairly fundamental concept in ecology and evolutionary ecology is the competitive exclusion principle – that complete competitors cannot coexist. That is, a situation in which two species which …

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Evolving from harmless filter-feeder to venomous predator: the strange history of the Viper Copepods

From: “Evolutionary transformation of mouthparts from particle-feeding to piercing carnivory in Viper copepods: Review and 3D analyses of a key innovation using advanced imaging techniques”, T. Kaji, C. Song, K. Murata, S. Nonaka, K. Ogawa, Y. Kondo, S. Ohtsuka and A.R. Palmer (2019), Frontiers in Zoology 16:35 https://frontiersinzoology.biomedcentral.com/articles/10.1186/s12983-019-0308-y Evolution is generally thought to be a …

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