Green Algae
Brown Algae
Did You Know?
Red Algae
100

Brilliant white when bleached in sun.

What is cactus algae?

100

Turns dark brown on beach.

What is pelagic sargassum?

100

Have bitter chemicals that discourage grazing by fish

What is iridescent-banded algae?

100

Where branching coralline algae grows?

What is shallow seagrass beds?

200

Species that are in the family of Cualerpaceae.

What is Caulerpa species?

200

Branches connect to a tough holdfast.

What is attached sargassum?

200

Something that red algae has that can absorb blue light, allowing the plants to live at great depths.

What is photosynthetic pigment?

200

Red grapes and thicket algae grow here.

What is shallow hard bottom?

300

Where green algae Caulerpa species live.

What are reefs and seagrass pastures?

300

Drifts on gulf and Atlantic currents.

What is pelagic sargassum?

300

A single, enormous cell, one of the largest known to science.

What is Sailor’s eye?

300

This algae quickly bleaches clear.

What is graceful redweed?

400

Surface is occasionally covered with encrusting algae of other types.

What is bubble algae?

400

Greenish-brown, fan-shaped fronds with an in-rolled outer margin.

What is Padina?

400

Algae that has bitter chemicals to discourage grazing by fish.

What is Iridescent-banded algae?

400

Branch tips frequently end in sickle hooks.

What is Hypnea?

500

In the water it forms a domed clump.

What is green fleece algae?

500

Largely disappear in cold months.

What is Dictoyota?

500

Contain sugars and protein for buoyancy.

What is bubble-branchlets of red grapes?

500

Many grow in clumps attached to a shell or pebble.

What is red grapes?

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