From ReefPedia

[edit] Search Difficulty: Medium to Hard Light: Low to Medium, Aggression: Not aggressive Hardiness: Medium, Growth Rate: Fast depending on water quality. Availability: Common

pic coming soon

Introduction

Foraminifer’s or Forams are a single cell protozoan which commonly appears as a white dot either on the rocks or glass of the aquarium. This is one of the unseen worker bee's of the reef system.

Common Names

There are currently 4000 species of Foraminifer’s.

Scientific Names

Hardiness

Difficult

I would classify these as difficult as they are a good indicator of water quality, the higher the quality the higher the population.

Flow

Medium

Lighting

Low to medium.

Placement

This will grow in all the same places as coralline but seems to prefer a darker environment. It will grow lower in tanks on the underside of rocks and in the substrate.

Feeding

Filter feeder or symbiotic with algae. It will live off of but not produce algae.

Propagation

High water quality.

Predators

None

FAQ

Q,Are they harmful to my reef tank?

A, Yes and no they are actually a good indication of water quality. They do however require calcium and a large population may be a drain on your calcium. They can also grow inside your plumbing decreasing your water flow.