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 2007

Streaked Locus

Non-wild alleles at this locus:

Streaked (St)

Possible phenotypes:

Streaked (St/+, St/St)

Streaked (St/+, St/St)
Streaked Blacklace

The Streaked phenotype results from the presence of either single or double dose of the dominant Streaked mutation. Angelfish showing the streaked phenotype will show white streaks in the dorsal and sometimes anal fins. Since the streaks are typically white the gene is usually only seen in darkly colored fish. Lighter colored fish can carry the allele however they will show no phenotype.  

Not much is known about the Streaked phenotype since it is often difficult to see. There is some evidence that the Streaked phenotype can result in the atypical expression of other mutations such as Smokey, Marble, and Gold Marble .

Interacting Mutations

Although there have been some reports of Streaked interacting with a number of phenotypes (Smokey, Dark, and Marble for example) none of these interactions have been confirmed.
 

Links to additional information about the streaked allele
Dr. Joanne Norton, FAMA: June 1992, Vol. 15, #6

Approved by The Angelfish Society Standards Committee on February 11, 2007.

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