Photos (10):
- Amphilophus istlanus; Male from Rio Nexapa
- Amphilophus istlanus; Male from Rio Nexapa
- Amphilophus istlanus; Female from Rio Nexapa
- Amphilophus istlanus; Male from Rio Tecoloyan
- Amphilophus istlanus; Female from Rio Tecoloyan
- Amphilophus istlanus; Head close-up
- Amphilophus istlanus; Juvenile from Rio Tecoloyan
- Amphilophus istlanus; Freshly collected male at Chilapa
- Amphilophus istlanus; Head close-up
- Amphilophus istlanus; Freshly collected juvenile