Here you can find a lot of coral models, at all it is around 79 units. Package include pregathered groups of corals and self illumination textures for night sea bottom.
Triangle counts:
Coral 1_1 - 1300 tris
Coral 1_2 - 3300 tris
Coral 2_1 - 1700 tris
Coral 3_1 - 370 tris
Coral 3_2 - 460 tris
Coral 4_1 - 3050 tris
Coral 4_2 - 1800 tris
Coral 5_1 - 2100 tris
Coral 5_2 - 1450 tris
Coral 6_1 - 900 tris
Coral 7_1 - 650 tris
Coral 8_1 - 1560 tris
Coral 9_1 - 1750 tris
Coral 9_2 - 900 tris
Coral 9_3 - 2150 tris
Coral 13_1 - 1400 tris
Coral 13_2 - 860 tris
Coral 13_3 - 670 tris
Coral 14_1 - 4 tris
Coral 14_2 - 4 tris
Coral 14_3 - 4 tris
Coral 14_4 - 4 tris
Coral 15_1 - 2700 tris
Coral 15_2 - 3100 tris
Coral 15_3 - 650 tris
Coral 16_1 - 1300 tris
Coral 16_2 - 2300 tris
Coral 17_1 - 18 tris
Coral 17_2 - 18 tris
Seaweed - 128 tris