What is an african Bule dot Goby

[aquatic_wonders]

What is an african Blue dot goby does anybody got a picture and how big does it grow thanks.

 

[toehead11183]

they are tanganykin cichlids. they are anywhere from 1-3 inches. i know one im looking for is Tanganicodus irsacae that gets around 3"

 

[straitjacketstar]

Eretmodus cyanostictus, E. sp. "Cyanostictus North"
Spathodus erythrodon, S. marlieri
Tanganicodus irsacae

You can see photos of each here: http://www.cichlidforum.com/profiles/category.php?cat=10

Eretmodus sp. and Spathodus sp. can be hard to tell apart, especially when young.