Geophagus Tapajos with hump on head?

[Holt]

I've noticed this specific geo has a hump on its head, it also has seemed to have a different shaped head for a long time. It is not the biggest in the tank or the most aggressive, usually it's hidden. The first 2 pics are of the unusual one and the other pics are what the rest look like.

 

[cmsbthebest]

Its a male with a small nuchal hump, two of my male RHT have them.

 

[cmsbthebest]

My Fish Crew

IMO for a 75g CA community you should stick w/ smaller species like the dwarf SA. HRP are a great choice, but so are other Amatitlania species like nanolutea. Both species get 3-4”. Could have a small group and even breeding pairs that won’t kill everything. It is doable w/ 1 pair of a...

www.monsterfishkeepers.com

Check out this photo of one of my males with a female, the small nuchal hump is obvious

 

[Holt]

Its a male with a small nuchal hump, two of my male RHT have them.

That makes me happy because I must be doing something right lol I consider myself a pretty amateur fish keeper.