Berghia coerulescens is a species

Species

In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...

 of marine nudibranch

Nudibranch

A nudibranch is a member of what is now a taxonomic clade, and what was previously a suborder, of soft-bodied, marine gastropod mollusks which shed their shell after their larval stage. They are noted for their often extraordinary colors and striking forms...

 in the family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Aeolidiidae

Aeolidiidae

Aeolidiidae, the aeolid nudibranchs, are a family of Nudibranchs. Many feed on hydroids and thus have highly serrated radular teeth.- Genera :Genera and species within the Aeolidiidae include:* Aeolidia Cuvier, 1797 - type genus...

. It is the type species

Type species

In biological nomenclature, a type species is both a concept and a practical system which is used in the classification and nomenclature of animals and plants. The value of a "type species" lies in the fact that it makes clear what is meant by a particular genus name. A type species is the species...

of the genus Berghia

Berghia

Berghia is a genus of marine nudibranch in the family Aeolidiidae.-Species:Species in the genus Berghia include:* Berghia coerulescens * Berghia columbina...

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Distribution

Berghia coerulescens is present in European waters, the Caribbean Sea

Caribbean Sea

The Caribbean Sea is a sea of the Atlantic Ocean located in the tropics of the Western hemisphere. It is bounded by Mexico and Central America to the west and southwest, to the north by the Greater Antilles, and to the east by the Lesser Antilles....

, Jamaica

Jamaica

Jamaica is an island nation of the Greater Antilles, in length, up to in width and 10,990 square kilometres in area. It is situated in the Caribbean Sea, about south of Cuba, and west of Hispaniola, the island harbouring the nation-states Haiti and the Dominican Republic...

, the Portugese

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 Exclusive Economic Zone

Exclusive Economic Zone

Under the law of the sea, an exclusive economic zone is a seazone over which a state has special rights over the exploration and use of marine resources, including production of energy from water and wind. It stretches from the seaward edge of the state's territorial sea out to 200 nautical...

, and the Spanish

Spain

Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

 Exclusive Economic Zone.
They are found at about 1 m depth.

In the aquarium

Although some references state that Berghia coerulescens and other members of Berghia

Berghia

Berghia is a genus of marine nudibranch in the family Aeolidiidae.-Species:Species in the genus Berghia include:* Berghia coerulescens * Berghia columbina...

will feed on Aiptasia

Aiptasia

Aiptasia is a genus of a symbiotic cnidarian belonging to the class Anthozoa . Other well known cnidarian groups include the jellyfish , the hydroids , and the box jellyfish...

sp. (sea anemone

Sea anemone

Sea anemones are a group of water-dwelling, predatory animals of the order Actiniaria; they are named after the anemone, a terrestrial flower. Sea anemones are classified in the phylum Cnidaria, class Anthozoa, subclass Zoantharia. Anthozoa often have large polyps that allow for digestion of larger...

s that are usually considered pests in the marine aquarium hobby), the species most mentioned in Internet forums and articles for the control of Aiptasia anemones is Berghia verrucicornis

Berghia verrucicornis

Berghia verrucicornis is a species of marine nudibranch in the family Aeolidiidae.-Distribution:Berghia verrucicornis is an inhabitant of the North Atlantic Ocean, present in the Azores Exclusive Economic Zone, the Caribbean Sea, Costa Rica, European waters, the Gulf of Mexico, Jamaica, the...

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