As mates I suggest Ornate rainbowfishes (Rhadinocentrus ornatus), one of the Melanotaenia trifasciata populations or Melanotaenia splendida splendida, some gobies like the Empire gudgeon (Hypseleotris ...

2.60-2.75 in P. olmecae, 3.00-3.20 in P. compressa, 2.60 in P. bonita and 3.50-3.60 in P. intermedia; 10 to 12 gill rakers, vs. 15-16 in P. bonita, 12 to 13 in P. compressa, 12 to 14 in P. compressa; ...