ID this guy for me, which kind of black piranha
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Going to be hard to get an ID at that size. All Rhoms pretty much look the same as juveniles.
Sent from my iPhone using MonsterAquariaNetwork app
Sent from my iPhone using MonsterAquariaNetwork app
those are different species. S. Compressus, S. Marginatus and S. Rhombeus (aka black piranha)
If this is the same fish you posted at the other thread then it'll most likely be a rhom. the eyes are not red cuz probably it's still stressed.
as for the color it really depends on lighting, and how it reflects off the scale. the fish itself won't turn blue or gold, etc. so you can really call it whatever you want based on how it looks like in person, it's still a rhombeus. just if they are from different collection points they may carry different physical trails.
If this is the same fish you posted at the other thread then it'll most likely be a rhom. the eyes are not red cuz probably it's still stressed.
as for the color it really depends on lighting, and how it reflects off the scale. the fish itself won't turn blue or gold, etc. so you can really call it whatever you want based on how it looks like in person, it's still a rhombeus. just if they are from different collection points they may carry different physical trails.
