Sexing a Valentino puffer.

sergifed91

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I want to know if this is a female or Male valentino puffer

20201222_090524.jpg 20201222_090517.jpg
 
I'm not sure anyone can tell ... except for another puffer.

Some of our reef fish are sexually dimorphic (males and females look different), but the great majority aren't, and males and females are indistinguishable to our eyes.

~B.
 
Whilst Maritimer's advice is true for most puffers I do believe that there is "believed" to be some sexual dimorphism in valentini.

1608725174122.png


If you look at the picture above you will see what is attributed as a male, with blue lines running behind it's eye and grey short lines on the underside of its chin. You will see the absence of these in the smaller fish which is believed to be a female. I don't know if this is a maturity thing and only adult males get this colouration or if young males have it to.
 

HOW MUCH DOES A FISH’S FEEDING REQUIREMENTS AFFECT YOUR STOCKING DECISIONS?

  • A lot! - I avoid fish that require frequent or specialized feeding

    Votes: 6 33.3%
  • Quite a bit, but an automatic feeder can change my answer

    Votes: 3 16.7%
  • It depends on whether my nutrient export can handle it

    Votes: 3 16.7%
  • It depends on how badly I want the fish

    Votes: 5 27.8%
  • Not much. I’m willing to adjust my routine

    Votes: 4 22.2%
  • Not at all. Feeding demands don’t limit my stocking choices

    Votes: 4 22.2%
  • I usually learn about the demanding feeding schedule after buying the fish!

    Votes: 1 5.6%
  • I haven’t really considered this before

    Votes: 0 0.0%
  • Something else (see my comments in the thread)

    Votes: 0 0.0%
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