Does anyone know what kind of tetras this is

[El chapo]

Here are some pics

 

[El chapo]

 

[Byron]

Most probably Hemigrammus ocellifer, common name Head and Tail Light Tetra. Data here:
http://www.seriouslyfish.com/species/hemigrammus-ocellifer/

It needs a group of six or seven, more being better if space allows.

 

[Alyssasunshine9]

Here are some picsView attachment 89700 View attachment 89702 View attachment 89703 View attachment 89704 View attachment 89705

Yes! It’s a lamp eye tetra! I have a few as well