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