Many coral forms do not follow hyperbolic growth patterns. Experiment with sea fans, sea rods, tube sponges, and more!
(L to R): Manta ray, starfish, hermit crab in a conch shell
Sea rods -- range from 22" - 35" tall.
Corals of the world (3 vols)
SCIENCE LIBRARY Reference
QL377 .C5 V44x 2000
The new encyclopedia of aquatic life: v.1. Aquatic invertebrates and fishes
SCIENCE LIBRARY Reference
QL120 .N49 2004