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Re: Romer & Beisenherz's paper on sex determination by temperature



Wow, finally an explosion in informed apisto traffic!

The Journal of Fish Biology has a publisher's page at
	<A HREF="http://www.hbuk.co.uk/www/ideal/journals/jb.htm">http://www.hbuk.co.uk/www/ideal/journals/jb.htm</A>

and by clicking on the abstracts link you can eventually locate 
the incredibly long http address of 

<<A HREF="http://www.idealibrary.com/cgi-bin/www.idealibrary.com_8100/fetch/01010158040402070f010702075006010f000002095c0003060e06015209040654010e080400075307050f550007005b020e0302050051030252540759570707545705070e07/130%3A1120%3A1707/15">http://www.idealibrary.com/cgi-bin/www.idealibrary.com_8100/fetch/01010158040402070f010702075006010f000002095c0003060e06015209040654010e080400075307050f550007005b020e0302050051030252540759570707545705070e07/130:1120:1707/15</A>>

I found the following abstract:

  Environmental determination of sex in Apistogramma (Cichlidae) and two
  other freshwater fishes (Teleostei)
  
  U. Romer, W. Beisenherz
  
  Environmental sex determination by temperature could be revealed
  significantly in 33 Apistogramma-species and in Poecilia melanogaster.
  In some, but not all, Apistogramma-species pH also influences the sex
  ratio, whereas neither temperature nor pH affect the sex ratio of
  Pseudocrenilabrus multicolor victoriae. The sex in offspring of A.
  trifasciata is determined within a sensitive period of about 30 to at
  least 40 days after spawning.
  
  Keywords: Apistogramma, Cichlidae, environmental sex determination, pH,
  sex ratio, temperature,
  
  Journal of Fish Biology, v 48, n 4, April, 1996, p714-725 (ID jb960072)
  Copyright (C)  1996 The Fisheries Society of the British Isles
  
Unfortunately, I couldn't figure out whether or not I could order an
copy of the article online. If anyone finds out, please let the list know.

You may be able to search the abstracts for more apisto references at the
site, it is worth looking into for those with time. There's 
plenty of info on one's other favorite fish groups there too.

Frank O'Carroll
Tokyo