aqua goblin bosun

• -1313, 205, 120 (5 of 10 spawns here)
• -1307, 188, 119 (2 of 6 spawns here)
• -662, -1114, -11 (seen once)
• -1375, -885, -12 (seen once)
• 864, -665, 81 (seen once)
• 575, -1806, 70 (seen once) (1 of 3 spawns here)
• -140, -1006, 105 (seen once)
• -342, -1100, 55 (seen once)
• -1012, -1150, -35 (seen once)
• 415, -129, -54 (seen once) (1 of 3 spawns here)
• -579, -1408, -56 (seen once)
• 757, -453, 73 (seen once)
• -437, -1420, -109 (seen once)
• -869, -1475, -11 (seen once)
• -776, -828, -94 (seen once)
• 956, -750, 151 (seen once)
• -789, 85, -9 (seen once)
• 861, -255, 117 (seen once) (1 of 2 spawns here)
• -971, -448, -176 (seen once)
• -982, 417, 60 (seen once)
• -201, 61, -103 (seen once)
• 972, -1877, 193 (seen once) (1 of 2 spawns here)
• -20, -1180, -23 (seen once)
• -1338, 6, 44 (seen once)
• -633, -535, -48 (seen once)
• 707, -912, -8 (seen once)
• 531, -1356, -304 (seen once)
• -118, 316, 50 (seen once)
• 337, -290, -47 (seen once)
• 667, -1261, -8 (seen once)

As /loc gives them: Y, X, Z, the most used first; nearby spawns share a spot, and one seen in a single visit may be where the mob had been pulled to.