A nose for love
https://oceanbites.org/a-nose-for-love/

First evidence of #SexualDimorphism in olfactory organs of #DeepSea #lanternfishes (Myctophidae) https://peerj.com/articles/17075/

"In some #lanternfish, males and females are the same size, but males have bigger noses (olfactory rosettes). This suggests that the males have a more sensitive sense of smell, which they could use to detect chemical signals (#pheromones) produced by females."