Stonogobiops xanthorhinica : male

This week's image is a male one of Stonogobiops xanthorhinica.
The male has more prolonged first dorsal fin than that of the female.
Please compare with the last weekly gallery.

Again, I arranged two more gallery for this goby.
One is, Super Weekly Gallery for vol.149 (1200 x 1200px. 500KB)
The other, Ultra Weekly Gallery for vol.149 (2400 x 2400px. 1MB)

depth : 16ft / 5m, Kagoshima, JAPAN, Sep 2001

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