The way Corals grow on the ocean floor makes us think of them as plants, but they are invertebrates. These colorful creatures are under the class Anthozoa and depend on one another and prefer warm shallow waters or cold ocean floors. They live and grow together, forming large colonial colonies called coral polyps. These polyps are cylindrical with a mouth at the end and a series of tentacles surrounding them, which is for stinging creatures or gathering food. Corals have a clear body. However, the beautiful coloration we see on them comes from the various algae growing in their tissues. They feed on small organisms, zooplankton, and small fish and can reproduce sexually or asexually.

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Corals Guides
Browse through our curated Corals Guides for additional categorizations, tips, details, variations, styles, and histories of Corals. Guides provide additional insights into the unique properties and shared relationships between elements.
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27.6”-35.4” | 70-90 cm
31.5”-39.4” | 80-100 cm (Diameter)
31.5”-39.4” | 80-100 cm (Diameter)
Blue Coral
90.000
100.000
100.000
17400
3D
Blue Coral
9.8”-19.7” | 25-50 cm
11.8”-23.6” | 30-60 cm (Diameter)
11.8”-23.6” | 30-60 cm (Diameter)
Bubble Coral
50.000
60.000
60.000
5300
3D
Bubble Coral
4’-8’ | 1.22-2.43 m
11.5’-13’ | 3.5-3.96 m (Diameter)
11.5’-13’ | 3.5-3.96 m (Diameter)
Elkhorn Coral
243.000
396.000
396.000
1450
3D
Elkhorn Coral
5.1”-6.3” | 13-16 cm
5.9”-7.9” | 15-20 cm (Diameter)
5.9”-7.9” | 15-20 cm (Diameter)
Finger Coral
16.000
20.000
20.000
1340
3D
Finger Coral
7.9”-11.8” | 20-30 cm
11.8”-19.7” | 30-50 cm (Diameter)
11.8”-19.7” | 30-50 cm (Diameter)
Organ Pipe Coral
30.000
50.000
50.000
2400
3D
Organ Pipe Coral
3’-5’ | .91-1.52 m
3.3’- 9.8’ | 1-3 m (Diameter)
3.3’- 9.8’ | 1-3 m (Diameter)
Staghorn Coral
152.000
300.000
300.000
2500
3D
Staghorn Coral
Staghorn Coral (Acropora cervicornis)
Dimensioned comparison drawing of the Staghorn Coral compared to other corals and a person

The Staghorn Coral (Acropora cervicornis) lives close to the surface in warm marine waters. These waters should also have adequate light and oxygen supply. It is one type of coral unique to both marine life and humans in that in areas where it is abundant; it provides a suitable habitat for marine organisms while also protecting shorelines from enormous waves and storms. Staghorn Corals reproduce sexually and asexually and have two kinds of polys and tentacles in multiples of three. These corals may be golden tan or pale color while the tips are white. These corals grow in dense stands with antler-like branches that come out of a central trunk upwards.

The Staghorn Coral has an overall colony diameter between 3.3’- 9.8’ (1-3 m) and typical height of 3’-5’ (.91-1.52 m). The diameters of the individual branches are roughly 1.6”-2.75” (4-7 cm) with branch lengths of 3.3’-6.6’ (1-2 m).

Set of scaled top and side view drawings of the Staghorn Coral
The Staghorn Coral (Acropora cervicornis) lives close to the surface in warm marine waters. These waters should also have adequate light and oxygen supply. It is one type of coral unique to both marine life and humans in that in areas where it is abundant.

The Staghorn Coral has an overall colony diameter between 3.3’- 9.8’ (1-3 m) and typical height of 3’-5’ (.91-1.52 m). The diameters of the individual branches are roughly 1.6”-2.75” (4-7 cm) with branch lengths of 3.3’-6.6’ (1-2 m).

Set of scaled top and side view drawings of the Staghorn Coral
Staghorn Coral (Acropora cervicornis)
Height:
3’-5’ | .91-1.52 m
Width:
3.3’- 9.8’ | 1-3 m (Diameter)
Length:
Depth:
3.3’- 9.8’ | 1-3 m (Diameter)
Weight:
Area:

Branch Length: 3.3’-6.6’ | 1-2 m

Branch Diameter: 1.6”-2.75” | 4-7 cm

Scientific Name
Acropora cervicornis
Lifespan

Drawings include:

Staghorn Coral top view, side (assorted)

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Blue Coral (Heliopora coerulea)
Comparison illustration of the size of a Blue Coral to other coral species and a person

On the outside, the Blue Coral (Heliopora coerulea) is brown. It is its internal skeleton that is blue, from where it derives its name. The Blue coral is a close relative to the soft coral even though it produces a hard skeleton. In fact, in the order of Helioporacea and subclass Octocorallia, it is the only species that produces a massive skeleton. This species of colonial coral is mostly found on the Southern shores. Its skeleton is composed of different calcium carbonates. Besides, there are tubes in the skeletons which have systems of canals and long, thin polyps. The polyps are white or beige and have tentacles.

The Blue Coral has an overall colony diameter between 31.5”-39.4” (80-100 cm) and typical height of 27.6”-35.4” (70-90 cm).

Scaled collection of drawings of Blue Coral in various poses
On the outside, the Blue Coral (Heliopora coerulea) is brown. It is its internal skeleton that is blue, from where it derives its name. The Blue coral is a close relative to the soft coral even though it produces a hard skeleton. It is in the order of Helioporacea and subclass Octocorallia.

The Blue Coral has an overall colony diameter between 31.5”-39.4” (80-100 cm) and typical height of 27.6”-35.4” (70-90 cm).

Scaled collection of drawings of Blue Coral in various poses
Blue Coral (Heliopora coerulea)
Height:
27.6”-35.4” | 70-90 cm
Width:
31.5”-39.4” | 80-100 cm (Diameter)
Length:
Depth:
31.5”-39.4” | 80-100 cm (Diameter)
Weight:
Area:
Scientific Name
Heliopora coerulea
Lifespan

Drawings include:

Blue Coral top view, side (assorted)

Details & Downloads

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Bubble Coral (Plerogyra sinuosa)
Scale illustration of an average Bubble Coral compared to other coral species and a person

In the Red Sea and even the Indo-Pacific oceanic environment, the Bubble Coral (Plerogyra sinuosa) is often seen bubbling or showing a variety of bubble sizes. During the day, the bubbles are large but small at night, leaving the coral to display long sweeping tentacles that can bite. The bubbles are translucent or have pale strips when inflated and less translucent when retracted. Other communities call it bladder coral, grape coral, pearl coral, and octobubble coral. The Bubble coral prefers moderately lit areas and can be tan, pale green, or pink.

The Bubble Coral has an overall colony diameter between 11.8”-23.6” (30-60 cm) and height of 9.8”-19.7” (25-50 cm). The diameters of the individual branches are roughly 1”-1.6” (2.5-4 cm) with individual heights between 1.6”-2.75” (4-7 cm).

Series of illustrations of the Bubble Coral from multiple views
In the Red Sea and even the Indo-Pacific oceanic environment, the Bubble Coral (Plerogyra sinuosa) is often seen bubbling or showing a variety of bubble sizes. During the day, the bubbles are large but small at night, leaving the coral to display long sweeping tentacles that can bite.

The Bubble Coral has an overall colony diameter between 11.8”-23.6” (30-60 cm) and height of 9.8”-19.7” (25-50 cm). The diameters of the individual branches are roughly 1”-1.6” (2.5-4 cm) with individual heights between 1.6”-2.75” (4-7 cm).

Series of illustrations of the Bubble Coral from multiple views
Bubble Coral (Plerogyra sinuosa)
Height:
9.8”-19.7” | 25-50 cm
Width:
11.8”-23.6” | 30-60 cm (Diameter)
Length:
Depth:
11.8”-23.6” | 30-60 cm (Diameter)
Weight:
Area:

Individual Height: 1.6”-2.75” | 4-7 cm

Individual Diameter: 1”-1.6” | 2.5-4 cm

Scientific Name
Plerogyra sinuosa
Lifespan

Drawings include:

Bubble Coral top view, side (assorted)

Details & Downloads

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2D Downloads

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Elkhorn Coral (Acropora palmata)
Dimensioned comparison drawing of the Elkhorn Coral compared to other corals and a person

The Elkhorn Coral (Acropora palmata) is a fast-growing coral easily identified by its complex branching structure composed of colonies of dense stands forming interlocking thickets. This structure makes it resemble elk antlers. It is mostly found in the Caribbean and Bahamas very close to the shoreline. As a result, it is under immense damage from human pollution and coral bleaching. The Elkhorn coral has a large body, and branches are sturdy and thick, which can be yellow to yellow-brown with white tips. This coral can reproduce sexually or asexually. It is considered a hard coral.

The Elkhorn Coral has an overall colony diameter between 11.5’-13’ (3.5-3.96 m) and typical height of 4’-8’ (1.22-2.43 m).

Set of scaled top and side view drawings of the Elkhorn Coral with dimensions
The Elkhorn Coral (Acropora palmata) is a fast-growing coral easily identified by its complex branching structure composed of colonies of dense stands forming interlocking thickets. This structure makes it resemble elk antlers. It is mostly found in the Caribbean and Bahamas very close to the shore.

The Elkhorn Coral has an overall colony diameter between 11.5’-13’ (3.5-3.96 m) and typical height of 4’-8’ (1.22-2.43 m).

Set of scaled top and side view drawings of the Elkhorn Coral with dimensions
Elkhorn Coral (Acropora palmata)
Height:
4’-8’ | 1.22-2.43 m
Width:
11.5’-13’ | 3.5-3.96 m (Diameter)
Length:
Depth:
11.5’-13’ | 3.5-3.96 m (Diameter)
Weight:
Area:
Scientific Name
Acropora palmata
Lifespan

Drawings include:

Elkhorn Coral top view, side (assorted)

Details & Downloads

Downloads

2D Downloads

3D Downloads

Organ Pipe Coral (Tubipora musica)
Scale illustration of an average Organ Pipe Coral compared to other coral species and a person

The Organ Pipe Coral (Tubipora musica) is one coral that you can see both in the sea and in the aquarium. Aquarium owners love it because of its ease of maintenance and non-stinging nature. In the wild, you will find it in the water of the Indian Ocean and also in central and western Pacific regions. These areas must be shallow and sheltered with good light conditions. It is considered a soft coral, though the bright red skeleton is hard calcium carbonate with many organic pipe-like tubes. Each tube has polyps with eight feather-like tentacles.

The Organ Pipe Coral has an overall colony diameter between 11.8”-19.7” (30-50 cm) and typical height of 7.9”-11.8” (20-30 cm).

Series of top and side view illustrations of the Organ Pipe Coral
The Organ Pipe Coral (Tubipora musica) is one coral that you can see both in the sea and in the aquarium. Aquarium owners love it because of its ease of maintenance and non-stinging nature. In the wild, you will find it in the water of the Indian Ocean and also in central and west Pacific regions.

The Organ Pipe Coral has an overall colony diameter between 11.8”-19.7” (30-50 cm) and typical height of 7.9”-11.8” (20-30 cm).

Series of top and side view illustrations of the Organ Pipe Coral
Organ Pipe Coral (Tubipora musica)
Height:
7.9”-11.8” | 20-30 cm
Width:
11.8”-19.7” | 30-50 cm (Diameter)
Length:
Depth:
11.8”-19.7” | 30-50 cm (Diameter)
Weight:
Area:
Scientific Name
Tubipora musica
Lifespan

Drawings include:

Organ Pipe Coral top view, side (assorted)

Details & Downloads

Downloads

2D Downloads

3D Downloads

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