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Hermit crabs evolved ultra-long penises that can grow to 60% of their body length | Daily Mail Online
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Stretched penile length / height ratio of cases according to age groups | Download Scientific Diagram
![Figure 3 from Penis size interacts with body shape and height to influence male attractiveness | Semantic Scholar Figure 3 from Penis size interacts with body shape and height to influence male attractiveness | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/6e4e562c825584303ebf518faf5bc82f2f5541e8/3-Figure3-1.png)
Figure 3 from Penis size interacts with body shape and height to influence male attractiveness | Semantic Scholar
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Maris Wicks on X: "#mermay : barnacle edition: part two Fun fact: Barnacles have the largest penis to body size ratio in the animal kingdom. https://t.co/qPODnwSRkL" / X
genetics - Why is the size of the human penis not in proportion to that of the rest of the body? - Biology Stack Exchange
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PDF) The effect of leg-to-body ratio on male attractiveness depends on the ecological validity of the figures
![CSIRO on X: "#4oclockfact Barnacles have the largest penis-to-body ratio in the animal kingdom. ^NG https://t.co/uG33zPXCrr" / X CSIRO on X: "#4oclockfact Barnacles have the largest penis-to-body ratio in the animal kingdom. ^NG https://t.co/uG33zPXCrr" / X](https://pbs.twimg.com/media/DfINxw_VMAAbb6j.jpg)