Let’s talk about alien sex…

in world building. First off minds out of the gutter please, I’m not about to start writing alien erotica ( although I understand a living can be made that way… ) I’m instead going to talk about it as a part of a book’s background development.

With the time travel project currently in a holding pattern while I await feedback from my test readers, I’ve been making a tentative return to the Battle Fleet setting. Now as is my way I charged into the writing without a lot of formal planning… before coming to a fairly screeching halt.

As readers of the the Nameless War will be aware, while aliens did appear in the text as speaking characters, they were very much bit parts; it was first and foremost a story about humanity. A number of reviewers did comment about the fact that the Nameless War is not set very far into the future – while I do have an explanation for that, in part it was because I wanted the human race to be still recognizable. It also saved mightily on the world building. Once you start on alien life through, well it’s best to start from the bottom.

Before we go on I suggest you take a quick look at THIS, don’t worry I can wait.

Welcome back. Now those are all terrestrial species, go back far enough and they (and us) all have common ancestors. An alien species won’t have that commonality so that leaves the writer free to come up with all kinds of wacky ideas.

Or does it?

Life in any sense that we might recognise it will seek to perpetuate itself, basically living things will look to produce more living things. If we take the terrestrial experience as a guide there is (very) broadly two basic methods – quantity Vs quality. The quantity approach is where the species produces a lot of young, with limited resources expended on each one. Most will not reach sexual maturity but by sheer weight of numbers enough will to perpetuate the species. The quality method – which we use – is the place a lot of resources into producing a small number of young. The more complex an alien ecosystem is, the more likely you’re going to see a mix of both. The other thing that terrestrial experience indicates is once you get to complex life a two gender system is the norm, (with exceptions) males – sperm, females – eggs, hermaphrodites – both.  So does that mean that an alien species to be plausible should follow the Earth model with just a few tweaks ?

Yes, there are other images of this alien/actress, but let's keep this classy

Yes, there are other images of this alien/actress, but let’s keep this classy

Well no.

Life on Earth – as it currently exists – is a product of the environmental conditions as they have existed and changed over the past few hundred million years. Different conditions, different life forms but there has to be a logic to it. So if for example you want an alien race with six different genders, you need to come up with a set of environmental factors that make this a route with enough advantages to offset the disadvantages. Bare in mind that as the saying goes, no man is an island and neither is any species, if  one has a six genders, then odds are so do all of its evolutionary cousins and so did its ancestors.

So how do we go about coming up with a different but plausible alien race?

First off what is the end point we want to reach, both in terms of physiology and culture. Possibly don’t get too wedded to any of it because some points may not mesh together. Now the temptation is the start with the culture, which I have come to the concussion is like trying to build a house by first doing the tiling. You need to foundations to be there to build everything else on top of. It is easy to come up system that works for a technologically advance species but how well does it work for their stone age or pre-sentience forebears?

Let’s go back to the human model for a minute. In the western world the average woman is capable of baring young from her teens to late forties/early fifties*. So a period of fertility of over twenty years. But a woman can complete one pregnancy each year so the average woman has a far greater fertility period than she needs to produce her and her partner’s replacements. At least by twenty first century western civilization standards. Dial things back a few million years and firstly she won’t live as long and childhood mortality from illness, injury, predator deprivation etc, means many children have to be had just to get a few to adulthood. As I said this is the human experience, which for sentient lifeforms is the only model we have to work with. It isn’t to say something really wacky can’t be done, but you have to take a cold hard look and see if its internal logic works.

An example in media of a failure to consider the practicalities is the Ocampa from Star Trek Voyager, a humanoid race with a mayfly like lifespan, who’s females the series blithely told us, only breed once during their lives, having one child. This would have the obvious problem that your species would at least halve at every generation even assuming every child reached maturity*2. A much better example can b found in Mote in God’s Eye by Larry Niven and Jerry Pournelle, which features an alien race, the majority of who’s members must breed at regular intervals or die. In an environment where there was a high mortality rate this system made sense. What makes this book well worth a look though is that the writers having come up with a system, then worked through the consequences. In the case of this species the result is run away population grown and eventual social collapse due to over population.

Once we have the mechanics of how a species can function we can move onto how this will shape its culture – or more probably cultures. A hermaphrodites race for example may not have any such thing as gender roles. A race with different subgroups with clear physiological or mental differences may have clear ruling or subject classes. History will also do massive things to shape how a species reacts. A history of internal warfare might produce an aggressive species or a peaceful one because it knows how destructive war can be. It’s all a question of how you spin it. In short this is the fun bit of alien race world building you just have to make sure it makes some kind of sense.

There’s one aspect of alien world building that I wasn’t sure if I would touch on – the matter of sexuality. What has already been covered is really a matter of imagination and following a line of logic but if we can for a moment pay attention to the man behind the curtain, should a writer be willing to tackle the matter of sexuality? My answer is I don’t know. When it comes to writing I’m best known for Military SF, a genre that tends to lean to the political right and conservatism. On the other hand, homosexuals and other groups have long complained that they are effectively written out of the picture. Finally there is the question of whether an attempt to include matters of different sexuality will backfire. As I was writing this piece the point was made to me that some groups of human society wouldn’t like the terms ‘hermaphrodites’. Terms change and when you aren’t personally a part of a particular group, it’s hard to know how something will be accepted because let us be honest here and admit to ourselves that the political left, can be as rabidly unreasonable as the right. Writing for payment by its nature mean producing something people will be willing to pay for. Most people aren’t going to pay to be metaphorically bludgeoned over the head with something they don’t agree with for whatever reason. In my own opinion the answer is found in the old writing adage ‘kill your darlings’ – if it isn’t relevant remove it. That said a couple of brief mentions of different sexuality types can go a long way in terms of expanding the inclusiveness of a work.

Now finally it has to be said that even if you have worked out the complete evolutionary history, culture and politics doesn’t mean it all has to go into your book. I’ve certainly come across books where the writer got lost in the world building and forgot about the characters and plot. The reader is there for the story but just to have this worked out and in your head will build a richer world and if nothing else, help with the internal constancy.

As ever I’ll be interested to hear any additional thoughts.

* Granted at diminishing levels of fertility as time passes with higher risk to both herself and the child.

*2 I’m aware they tried to fix it in later related works but it still leaves a gaping hole in the internal logic and is something of a warning to writing about the problems an ill thought out fact can create.


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