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Zebra danios (Danio rerio) are nearly impossible to sex when they are young. Once these fish mature, though, differentiating male from female is not particularly.

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27 Jun Am I correct in saying that both my Long-finned Zebra Danios are males? I was always told that their 'background' color helps determine sex.

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Description:The dividers allowed for visual and chemical communication, as chemical cues may be important in zebrafish social behavior reviewed by Whitlock, If female preferences are consistent across phenotypic mutants, then we predict that short fin females will prefer wild type males that have significantly longer fins when given a choice between wild type males and short fin males. Sympatric species across the localities included Opsarius barna, B. Its origin was considered something of a mystery for a number of decades, with the most accepted theory being that it was produced via selective breeding, but it is now known to be a spontaneous mutation of the striped form which also occurs in the wild Spence et al.

Views: 1843 Date: 2018-07-26 Favorited: 92 favorites

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