I’d confirm your thought and say it’s an Altifron... beautiful fish!Recent pic of my eartheater ( thomas) son name him after a train as he often swims around the tank puffing out sand , anyway here he or she is , streamers are really starting to come along now and the colours are stunning in the natural light. Sorry one last thing is anyone 100% on what type he is bought as surinamensis but watched a video last night that made me think it could be a altifron.
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