Male deep-sea squid seeks mate of either sex for fun in the dark

A female deep-sea squid in Monterey Canyon with sperm sacs visible as white dots on the dorsal arms. Males were as likely as females to have sperm sacs on their bodies. Photograph: MBARI

Scientists have identified another mishap that can result from sex in the dark after filming creatures that live in the deeps of the Pacific Ocean.

Footage from remote-controlled submersibles revealed that male deep-sea squid struggle to distinguish between potential mates and members of the same sex in the dimly lit waters.

But instead of developing keener senses to help find a partner, the male of the species has adopted a sexual strategy to suit the conditions: it mates with any deep sea squid it comes across.

Researchers blame bad light, similar male and female body size and the rarity of encounters for the squid’s indiscriminate behaviour, which leaves its mark on the bodies of unsuspecting males in the form of spent sperm sacs.

full article: http://www.guardian.co.uk/science/2011/sep/21/male-squid-mate-sex-dark

by The Punjapit Alliance

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