Japanese Puffer Fish

[SuncrestReef]

I might need a bigger tank for one of these:



(and I thought my pistol shrimp was obsessive about moving sand around...)

 

[SuncrestReef]

This photo gives you an idea of the scale:

 

[Luna]

That’s crazy cool!!!

 

[Dsnakes]

I’ve seen that on Blue Planet. My 4 year old watches it non stop. Very cool.

 

[Sailingeric]

The other higher ridge versus the lower smoother area looks like it is almost a Golden Ratio. https://www.mathsisfun.com/numbers/golden-ratio.html

 

[dochou]

Awesome!