Distribution: Caulerpa taxifolia is native to tropical waters, including the Caribbean, Indo-Pacific, and Red Sea. Infestations of the aquarium strain have been found in the Mediterranean Sea, Australia, and California.

Where did Caulerpa taxifolia originate?

Caulerpa taxifolia is reported from the tropical waters in the Caribbean south of Florida where it is native and does not present problems (yellow in map above). The Mediterranean strain was reported in 2000 to be found in California waters (green in map above).

Where can Caulerpa taxifolia be found?

Caulerpa taxifolia is native in tropical waters with populations naturally occurring in the Caribbean, Gulf of Guinea, Red Sea, East African coast, Maldives, Seychelles, northern Indian Ocean, southern China Sea, Japan, Hawai'i, Fiji, New Caledonia and tropical/sub-tropical Australia.

Why was Caulerpa taxifolia bred in Germany?

They were trying to identify a hearty breed of seaweed that could be used commercially in saltwater aquariums that was also very attractive to the eye with a form and color that would make a beautiful backdrop for exotic fish.

Where did the killer algae originally come from?

Killer Algae is native to the Indian Ocean range but is now established in the Mediterranean Sea and was found in Southern California in 2000. It was introduced to the environment by net fouling, ballast water and released from aquariums.

Attack of the killer algae - Eric Noel Muñoz

Why is Caulerpa taxifolia called the killer algae?

The Mediterranean strain of Caulerpa taxifolia earned the name “killer algae” because of its devastating effects on the Mediterranean coast.

Why is Caulerpa bad?

Why is Caulerpa Bad? The invasive algae can grow quickly and rapidly out-compete native species, including native eelgrass, and may be inedible to native marine herbivorous fish and invertebrates. ... Based on environmental impacts of other Caulerpa species, Caulerpa prolifera is potentially a serious invasive.

How did Caulerpa native end up in the Mediterranean Sea?

taxifolia was introduced by accident into the Mediterranean Sea from a public aquarium in Monaco, from where it has spread around the Mediterranean and also been found in California and southern Australia.

What is one way the Caulerpa found in the Mediterranean is different from the tropical version?

Research on the Mediterranean and tropical strains of C. Taxifolia revealed some major differences between them. The Mediterranean strain has larger fronds, lacks female gametes, can withstand lower temperatures, and has increased concentrations of defensive chemical metabolites (Raffaelli et. Al, 1997).

How does Caulerpa reproduce?

Reproduction in Caulerpa:

Caulerpa reproduces the vegetative, asexual and sexual methods. During vegetative reproduction the older parts of the rhizome gradually die away, thereby separating the erect shoots. ... Sexual reproduction by the union of gametes has been reported in several oriental species.

Does Caulerpa taxifolia need sunlight?

Caulerpa taxifolia is similar to other invasive species because it can tolerate a large range of salinity, temperature, and sunlight.

Is Caulerpa unicellular or multicellular?

Another green alga, Caulerpa, is one of the largest known single-celled organisms, with stolons (up to meters in length) producing fronds and holdfasts [4]–[9] ( Fig. 1A–C ). Unlike Acetabularia, which is a single-celled organism, Caulerpa is coenocytic, with numerous nuclei.

Is Caulerpa taxifolia unicellular?

Biologists used the world's largest single-celled organism, an aquatic alga called Caulerpa taxifolia, to study the nature of structure and form in plants. It is a single cell that can grow to a length of six to twelve inches. Daniel Chitwood, Ph. ... "It's a member of the green algae, which are plants.

What does Caulerpa taxifolia taste like?

IT has long been known that the marine green alga Caulerpa has a peppery taste.

Is Killer algae is a seaweed?

A strain of this green seaweed, native to the Indian and Pacific Oceans, escaped public and private aquariums in California, Japan, Australia, and Monaco.

How do you identify Caulerpa taxifolia?

Caulerpa taxifolia is a bright green alga with creeping stolons (main stems) from which arise erect flat feather-like fronds. Each stolon can grow to three metres in length and have up to 200 fronds. This seaweed can be found as individual plants or dense blankets that may cover many hectares.

What does the Caulerpa taxifolia do?

In the past, Caulerpa has been widely used as a decorative plant in the NSW marine aquarium trade. This alga can invade cool temperate waters and Caulerpa has become established in several countries and areas outside its natural range. ... It is illegal to possess or sell the alga and heavy fines apply.

What kind of life cycle is seen in Caulerpa?

This is a dioecious species having diplohaplontic lifecycle (Fig. 11) with isomorphic gametophytic and sporophytic stages. Thalli are coarsely filamentous that can be branched or unbranched and have disc-like holdfasts developed from basal cells that attach firmly on suitable substratum like pebbles or rocks.

What does killer algae look like?

DESCRIPTION: Caulerpa looks like a plant but it is actually a marine green algae. Its fronds (leaves) are bright green and featherlike and it grows to be 5-80 cm long. It obtains water and nutrients from horizontal stem-like roots, which also anchor the algae to the sea floor.

What countries are near the Mediterranean Sea?

Today 21 countries, with surface areas from 2 km2 to 2.4 million km2, have coastlines on the Mediterranean Sea. They are Albania, Algeria, Bosnia and Herzegovina, Croatia, Cyprus, Egypt, France, Greece, Israel, Italy, Lebanon, Libya, Malta, Monaco, Montenegro, Morocco, Slovenia, Spain, Syria, Tunisia, and Turkey.

How fast does Caulerpa grow?

Growth: The aquarium strain of Caulerpa taxifolia has the ability to form a dense carpet on any surface including rock,sand,and mud. It is capable of extremely rapid growth, up to one half inch per day (1.27 cm/day).

What fish will eat Caulerpa?

Flame Angels are more meaty eaters. Yes they eat algae but it will more or less going to just pick at the rocks. I think a rabbit fish is your best option.

How does Caulerpa algae genus break the rules?

Describe how the invasive Caulerpa algae genus break the rules of SA:Vol. The algae is a large cell that has multiple nuclei. The only way it can function efficiently at a larger size is due to its multiple nuclei helping it to do so.