Monday, 29 September 2008
A belated update and a hard lesson

EDIT: Some of the more enthusiastic blog-watchers will have seen a long diatribe about data loss here, which I have removed. It turns out that in actual fact absolutely no data was lost, and it was a trail of bad assumptions by myself and insufficient speaking to the right people. Sometimes on a ship it just takes a while to get everything sorted out. It makes me extremely happy that we haven't lost any data and also very apologetic to those whose characters I may have maligned through the previous version of this post.
I did consider how this may make the entire cruise and the people on it look before posting, but in the heat of the moment (and I was pretty stirred up about it) I considered it (obviously retrospectively a bad call) a realistic reflection of the kind of problems one comes across on a cruise.
In my mind, the blog is supposed to be a fairly realistic visit into life on a cruise ship - and that means challenges as well as successes. I mean it as a personal account of this trip, not as an official account of the cruise (posts about lemurs, for example, have absolutely nothing to do with a cruise, yet they are interesting).
I guess that's the difference between being part of a team and being a "neutral third party". Journalists can get away with running in, writing what they see and getting out again - but if you're part of the team, you also have to consider how the other people in the team may react to what you write more than you might under other circumstances. You have to work with them again, and a ship is a very small, close-knit community!
These messages are posted by named individuals, not as an anonymous "official" account of the cruise. They're subject to errors, and are written and edited by the person that writes them, and are thus subject to that individual's foibles. For the most part, mine.
Lesson learnt? Speak to everyone, not just one person, or, even better, head to the top of the team and ask them to look into it before assuming that because team member x can't find something, it is gone and lost. Someone else may know where it is, and team member x may not have asked them.
However, I think, once stripped of the "blame", the previous message still contained some useful points for processing large trawl catches with a lot of unknown species, and I've added a couple of generally good pointers for life in general.
- Number coding only works if you keep the number code associated with the specimen up to and including its being preserved - this means that even if you do lose the sheet on which you were noting the correspondence between Fish 1 and an actual name (or the closest you can get to it) you can always refer it back to not only the specimen, but the trawl datasheet at the other end of the data chain (and everywhere in between), thus ensuring all data can be tied together. And always do your best to update the entire chain back again with species names as soon as you can.
- If you can do better than number coding, do so. Numbers are hard for people to remember, whereas taxon names or some kind of unique and meaningful description that would allow someone to look at a picture of something and go "yeah, that one". However, depending on how good people are at describing things, numbers may turn out to be a better bet.
- Your best bet of course is to have people around who are sufficiently familiar with fishes that numbers aren't needed - they can apply either the correct name straight away, or a good approximation of the name with a description to each recognisable taxon. These people are generally taxonomists/systematists, and there are far too few of them around. Some people spend so much of their life looking at fishes that they get this general background in fishes without necessarily being full (or even part) time taxonomists. Again, there are not that many of them.
- If there is a delay in processing data, tell people or put a note in the file that says it's still in progress.
- Communicate. All the time. I think we routinely assume that others have much more knowledge about a particular situation than they do. If you think it's important, tell someone else, rather than assuming they'll just see it or already know. Ask or tell more than one person as well.

The trawl had quite a few Zeiform fishes in it.






These fish, common to most in the Order Zeiformes, have extremely protrusible mouths. They're apparently mainly ambush predators that sneak up to prey items very slowly, undulating their dorsal and anal fins before shooting out their mouths and vacuuming the tasty morsel into their capacious maws! We caught two other zeiform species, Allocyttus verrucosus and Cyttopsis rosea.
Hydra Seamount is about here.
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