Jerry Point well taken on sexing fish by lyretail.. Bitaeniata females will develope lyre tails... not as pronounced at the males but not always rounded.... I had old bitaeniata females that you would have sworn were males until they spawned. John ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com.