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.
Support, URP and HDRP shaders are here:
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