Search found 181 matches

by John Heaton
Sat Aug 07, 2010 11:20 am
Forum: Central American Cichlids
Topic: Have anybody heard of?
Replies: 14
Views: 2189

Re: Have anybody heard of?

From CAS macracanthus, Heros Günther [A.] 1864:153 [Proceedings of the General Meetings for Scientific Business of the Zoological Society of London 1864 (pt 1); ref. 13930] Chiapas and Huamuchal, Guatemala. Syntypes: (about 12) BMNH 1864.1.26.197-200 (4), 1864.1.26.252-254 (3) Chiapas, 1864.1.26.368...
by John Heaton
Thu Jul 08, 2010 4:20 pm
Forum: Central American Cichlids
Topic: Beani
Replies: 11
Views: 2091

Re: Beani

I can’t answer your question Mark. However ex Cichlasoma (Nandopsis)grammodes come from an area in Chiapas Mexico(neighbour of the Peten) with hard water. The habitat is quoted as pH 7.5–8, DH 10-20: KH 12-18: T: 24-30ºC
by John Heaton
Thu Jul 08, 2010 1:52 am
Forum: Central American Cichlids
Topic: Beani
Replies: 11
Views: 2091

Re: Beani

Cichlasoma(nandopsis)beani (Jordan 1889)
Habitat:- ph 7-7.2, GH 3-4, KH 5-6, T: 24º C.
by John Heaton
Sun Jul 04, 2010 9:00 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Thanks Rico, I have downloaded it. This will keep me busy for several days.
Considering the date, the map shows amazing detail. I notice that the Rio Santa Isabel is a tributary of the Rio Pasion, which makes sense now.
by John Heaton
Sun Jul 04, 2010 8:16 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Thank you Rico, that is extremely interesting. I would very much like to be able to read Gunther’s work and see the map produced by Salvin. I had already surmised that Salvin had entered The Peten from British Honduras, using a mule train. He also must have been using copies of old maps made by the ...
by John Heaton
Fri Jul 02, 2010 2:15 pm
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Here is the complete extract from research made by the Natural History Museum of Los Angeles County. Tulane University. This very extensive work covered the variation and distribution of four middle American Cichlids belonging to the amphilophus species group of the genus Cichlasoma. A French natura...
by John Heaton
Wed Jun 30, 2010 8:21 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Yes Mark, that is exactly what I saw. To me it looks more like the margaritifer than the other ones labelled margaritifer. While I was chatting with one of our ancients, some time ago, he was looking at some urophthalmus in my tanks. He said "Oh yes, Bool (the local name) but sometimes they have a b...
by John Heaton
Mon Jun 28, 2010 8:58 pm
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Where are the foto's come from? The fish in the photos is a Thorichthys. affinis. Several of the Lake cichlids have very similar bar patterns in certain circumstances, affinis don't usually look like this. I have some very interesting data concerning the original specimen register at the British Mu...
by John Heaton
Thu Jun 24, 2010 8:01 am
Forum: Central American Cichlids
Topic: Vieja argentea (photos)
Replies: 12
Views: 3073

Re: Vieja argentea (photos)

Award winning photos Lee, I am sure Juan will want to add them to your others.
by John Heaton
Fri Jun 18, 2010 12:59 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

I would like an opinion on the similarity between the following description and the photos. Seven vertical bars cross the body, the third and fourth are most intense. The first bar extends from the top of the head to behind upper margin of gill opening. The second bar extends from dorsal origin (dor...
by John Heaton
Thu Jun 17, 2010 10:39 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Yesterdays unsupervised fishing trip produced a lot of fish but nothing unusual. The final count was;- 5 C.salvini 10 T affinis 5 V.melanurus 4 C. urophthalmus Although they left at 7 am when the Lake was calm, within a couple of hours the wind increased until the launch eventually was charging abou...
by John Heaton
Wed Jun 16, 2010 12:20 am
Forum: Central American Cichlids
Topic: Vieja melanurus "Rio Yaxha"
Replies: 20
Views: 6955

Re: Vieja melanurus "Rio Yaxha"

Kevin, this is one of my pretty youngsters from quite some time back, very similar to yours. IMO when they grow up they become very ugly :(

This guy was caught in the main Lake below my house and not in the Southern Arm of the Lake where they "jump into the boat" if they know you have worms. :)
by John Heaton
Tue Jun 15, 2010 9:50 pm
Forum: Central American Cichlids
Topic: Vieja melanurus "Rio Yaxha"
Replies: 20
Views: 6955

Re: Vieja melanurus "Rio Yaxha"

Kevin I am not trying to stir anything up, believe me. Your fish certainly look like the youngsters that I find in Lake Peten and I would expect the Lake to be the source. To my knowledge Rio Yaxha does not exist. Yaxha is a largish Ancient Mayan City and Lake Yaxha is named for it. The River supply...
by John Heaton
Tue Jun 15, 2010 1:53 pm
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Very well said, Rico. The A. robertsoni bothers me as I have never found it. I have spent 4 days fishing in the area where it is supposed to live, the same area where I found the fish under discussion.The juveniles of both have a similarity apart from the bar count. I would look forward to reading o...
by John Heaton
Mon Jun 14, 2010 9:34 pm
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

Thanks Mark
If and when I find more specimens I already have a volunteer to do the work.
by John Heaton
Mon Jun 14, 2010 7:59 pm
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

I quote:- The first bar extends from occiput (top of head) to behind upper margin of gill opening. The second bar extends from Dorsal origin dorsal spines 1 - 5 etc etc A short broad bar lies over the eye and another on the interorbital space (between the eyes) A similar species is Amphilophus rober...
by John Heaton
Mon Jun 14, 2010 2:04 pm
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

With respect to the fish fitting the the official description, have you done fin ray counts, etc?

If you look at the annotated photo you will see that the Dorsal fin rays are numbered. I also mentioned that the position of the vertical bands coincided with the numbered rays as described by Regan.
by John Heaton
Mon Jun 14, 2010 11:56 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

I am very interested in what Don Conkel says. He appears as an expert in very many taxonomic histories. He is obviously a very busy man and to retain in memory everything that has occurred over many years would be impossible. Until I looked up my computer files on the March trip in question my memor...
by John Heaton
Mon Jun 14, 2010 9:17 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

The Head
by John Heaton
Mon Jun 14, 2010 5:11 am
Forum: Central American Cichlids
Topic: Fishing trip puzzles
Replies: 110
Views: 27482

Re: Fishing trip puzzles

These photos may be helpful. The descriptions are taken from Regan's re-description of the adult specimen. The second photo taken from a different angle shows some of the features more clearly. The position of the 7 vertical bars, which are not showing clearly yet, are correctly positioned with resp...

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