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Name Changes


Pegasus

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Hi all,

Midas made the following comments in the Fun Section,

Just want to clear something up so that we are all on the same wavelength, as things can get a bit confusing when genus's etc start coming in to it.

You say that you are from the Cichlasoma genus. Does this mean that you still are in this genus or that you used to be? Its just that several fish that used to be in Cichlasoma are now no longer, and if you are still in this genus it does cut the number of possibilities down significantly. Check fish base if unsure they seem to have the most valid names in most cases. http://www.fishbase.org/search.cfm

e.g.

Convicts are now Cryptoheros nigrofasciatus (and used to be Archocentrus before that)

Firemouths have been Thorichthys meeki for some time. Jack dempseys on the other hand are still Cichlasoma octofasciatum.

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hi Pegasus

Technically all organisms can only have one scientific name which is given to a species when it is discovered by the person who discovered it (this would be published in a recognised scientific journal), the only exception to this is a group of fungi called the deuteromycetes.

The name given to the sp is the one that has to stick, we have to hope that this person knows what he or she is talking about and gives it an apropriate name in the right genus. Similary two organisms that look diferent may be given diffrent names when they are actually the same, i believe this is the case with Pelvicachromis pulcher (the krib) and two organisms may be dicovered at similar times by different people thus two names. Again the first name should stick.

A second problem arises in the form of phylogenetic systematics espicially now with DNA sequencing which may result in movement into another more apropriate genus however it must still keep its specific name under the rules of binomial nomenclature e.g A. ramirezi is now M. ramirezi.

This is more likely to be the cause of modern name variation.

I mean I don't really know myself but I HTH, it really is a tricky subject with alot of debate.

Ben

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I also agree with Ben. As more is found out about fish it is sometimes discovered that they are not as closely related to other similar fish as was once thought and do not belong in the genus that they were originally given. Therefore genus names often get a shuffle.

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Caryl said...

> Add to that retailers' habit of making up fancy common

> names and you never know what you are getting!

Common names are often a curse. They work on the local

level (ie within a small group of people) but often get

confusing when different small groups are trying to

communicate. There's no reason to believe that a common

name in NZ is going to be the same as the one for the same

fish in Germany or Japan or where-ever.

The advantage of scientific names is that they can ALWAYS be

traced to a specific animal and its formal description. Preserved

specimens are available for comparison. Of course it's beyond

the average hobbyist to look up these voucher specimens

but the fact remains that it's technically possible.

Funnily enough, scientific names were not created for hobbyists

they're just a very useful tool that we've hi-jacked. If you're

going to use them, then you may as well use the correct ones

- this may not be the one you learnt 20 years but may be the

one someone else learnt 30 years ago or the one that someone

learns today.

Andrew.

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Also Bill this may be of help, family names for plants will end in aceae i.e Liliaceae or the lily family (garlic) etc.

Animals family names will end in dae e.g. hominidae, cichlidae etc.

I know its a little irrelivant but i figure it will probaly help a few people know what they are reading about at a glance.

Ben.

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Thanks all,

The main question was refering to the species name, not the family.

The Latin side of things is no prob, as I was brought up to learn Latin from the age of five, but we get name changes such as the following.

Lesbites reticulatus... now Poecilia

Ciclasoma meeki... now Thorichthys meeki

Barbus tetrazona.... now Puntius tetrazona

and so forth, which is still a bit of a mix up.

As regards the learning of the new names, this is no prob

if they would at least change it and stick to it, but many

names have been changed several times over the years.

Fortunately with todays technology we can quickly source

any name changes that have taken place on the net, and

fortunately entering the old name in your search still brings

up the correct fish with all it's relevant details.

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Pegasus said...

> Lesbites reticulatus... now Poecilia

I think you mean 'Lebistes'. 'Les-bites' is a whooole different thing... :)

The change from 'Lebistes' to Poecilia also caused a change from

'reticulatus' to 'reticulata'... All humour aside - because of the

'gender' of the genus names.

> Ciclasoma meeki... now Thorichthys meeki

Cichlasoma.

Some info on the whys and wherefores can be found at:

http://www.cichlidae.com/articles/a024.html

> Barbus tetrazona.... now Puntius tetrazona

It was also 'Capoeta' for a while.

Look at how many 'Tiger Barbs' there are:

http://www.fishbase.org/ComNames/Common ... chList.cfm

All interesting stuff :)

Andrew.

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All humour aside, I regret my obvious spelling mistakes... point taken. :)

All humour aside - because of the

'gender' of the genus names.

"GENDER"...

A classification roughly corresponding to the two sexes and sexlessness.

Mmmm... does this mean we have different names for the males and females... all humour aside of course?

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Pegasus said...

> ... does this mean we have different names for the males and

> females... all humour aside of course?

I thought, being a self proclaimed latin scholar since the age of 5,

that you would understand the concept of 'gender' as it applies to

words (especially nouns, ie 'names'). Sorry if I was confused.

Have a look at:

http://www.orbilat.com/Latin/Grammar/La ... tml#Gender

Basically, because names in latin have male or female connotations

which are often variations on the way the word ends, if a genus

name is masculine then the specific name should be too and vice

versa. This means that sometimes when a genus name changes

(say from Lebistes to Poecilia, which is also a switch in the gender

of the word used as the genus name) then the species name

changes too (ie from reticulatus to reticulata).

Sadly, not everyone picks up on these changes and so you see

combinations of names in common (and even non-ichthyological

scientific) use.

Also, interestingly, there is apparently talk of resurrecting the

name Lebistes so then it'll all change back again for the poor old

guppy :)

Andrew.

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You say,

I thought, being a self proclaimed latin scholar since the age of 5,

that you would understand the concept of 'gender' as it applies to

words (especially nouns, ie 'names'). Sorry if I was confused.

You WERE confused. I don't "proclaim" to be anything AJ,

There was very little point in stating the obvious eg, Gender... genus

genera ... pl genus, as you obviously knew this.

Seems to be the week for sarcastic remarks, but no harm done.

My original question was "Why"

Possibly because they can't get it right the first time.

It seems even the experts make mistakes as we see below.

Also, interestingly, there is apparently talk of resurrecting the

name Lebistes so then it'll all change back again for the poor old

guppy

Seems they STILL can't get it right.

I have enough replies to my question. My thanks to all.

Regards,

Bill (Pegasus)

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Pegasus said...

> You WERE confused.

Not unusual at all.

> I don't "proclaim" to be anything ...

You did say:

> "The Latin side of things is no prob, as I was brought up to learn

> Latin from the age of five..."

...

> There was very little point in stating the obvious

Once again, you did say:

> ... does this mean we have different names for the males and

> females... all humour aside of course?

So I honestly thought you didn't understand my point. And I

thought that maybe someone else might be reading the thread

and be interested in having it clarified.

...

> Possibly because they can't get it right the first time.

> It seems even the experts make mistakes

Which is why it sometimes takes us a couple of goes to get

our angel fish fry to hatch...

We're all prone to mistakes, from time to time. I don't know

anyone who can't learn something new, as more information

comes to light. Just as well really, otherwise things would get

very boring very quickly...

Andrew.

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