QUOTE
The relative intestinal length of domesticTropheus moorii, raised in aquaria was significantly lower than that of wild individuals by a factor of 1.7, demonstrating a wide range of phenotypic adaptability.
The study: Ecophysiology of Aufwuchs-eating cichlids in Lake Tanganyika: niche separation by trophic specialization
Here is the link:
http://www.springerl...7253888v1t1130/
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