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Tropical aquariums

 

A fascinating world of colour opens up before us under the sea. These are the coral reefs: unique, spectacularly beauty architectural creations built by small colonial invertebrates – corals. To enable you to travel through the tropical seas without having to catch a plane, L’Aquàrium de Barcelona boasts 7 aquariums that represent these seas and are home to its most characteristic species.

 

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Tropical sharks

Sharks are fish that live in nearly all the world’s seas, from the warm waters of the tropics to the cold waters of the poles.

A wide variety of sharks concentrate in tropical seas: some of them rest most of the time among coral reefs, others swim constantly in open waters in search of food.

 

Other marine organisms frequently found in this community:

 

Fauna: Blacktip reef shark (Carcharhinus melanopterus), whitetip reef shark (Triaenodon obesus), humphead wrasse (Cheilinus undulatus), Yellow-ear angelfish (Apolemichthys xanthotis), yellowhead butterflyfish (Chaetodon xanthocephalus), checkerboard wrasse (Halichoeres hortulanus), fourline wrasse (Larabicus quadrilineatus), Arabian angelfish (Pomacanthus asfur), dutoiti (Pseudochromis dutoiti), sunrise dottyback (Pseudochromis flavivertex), olive dottyback (Pseudochromis olivaceus), striped dottyback (Pseudochromis sankeyi), blue-striped dottyback (Pseudochromis springeri).

 

TECHNICAL DATA OF THE AQUARIUM

  • Volume: 156,85 m3
  • Temperature: 23-27ºC
  • Lighting: High
  • Zoning: Infralittoral

 
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The tropical coral reef

Corals, colonies of animals often of vegetable appearance, build enormous structures that form reefs and islands. They are therefore considered great architects of nature.

From a biological viewpoint, reefs are structures built by living organisms with a vegetable appearance, which modify the physical and ecological structures of the place where they develop. In a certain way, they act as dykes or barriers, causing areas of great splashing and calm areas. These are one of the most productive ecosystems on earth, and maybe one of the most complex, as they allow multiple relations to be established between the different ecological niches.

Reefs present a distribution generally between 30° N and 30° S with a single exception, Bermuda (32° S), influenced by the Gulf Stream that brings them warm waters. There are three primordial factors for the existence of reefs: relatively warm waters (above 20°C), shallow (60-80 m) and very clean, where there is no inorganic sediment generally brought by rivers. Another factor that we might attribute in relation to the growth rate of reefs is the symbiosis between them and certain single-cell green seaweed, the zooxantels, which by living inside the coral cells give a higher output in the growth of the structure thanks to active material exchange.

 

Other marine organisms frequently found in this community:

 

Fauna: Chorales: Actinodiscus sp., Dentronephthya sp., Discosoma sp., Euphyllia glabrescens, Goniopora stokesi, Hypolysmata grabhami, Parazonathus axinella, Rhodactis sp., Sarcophyton sp., Seballastrea magnifica, Sinularia flexibilis, Sinularia polydactyla, Sphaerella Krempfi, Zoanthus sociatus.

Fishes: Spotted wrasse (Anampses meleagrides), blue green damselfish (Chromis viridis), lobster (Panulirus sp.), clown anemonefish (Amphiprion ocellaris), blue surgeonfish (Paracanthurus hepatus), banngal cardinal fish (Pterapogon kaudermi).

 

TECHNICAL DATA OF THE AQUARIUM

  • Volume: 2,61 m3
  • Temperature: 23-27 ºC
  • Lighting: High
  • Zonaning: Infralittoral

 
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The Caribbean sea

The large number of fish exclusive to this sea stress the biogeographical isolation of the Caribbean.

The most representative Atlantic reefs are undoubtedly those of the Caribbean, with the coasts and islands that surround them. The islands of the Caribbean, also known as the West Indies, are 2,960 km long from east to west and 1,440 km from north to south. The reefs of the Caribbean rise like a mountain on the sea bed, but without reaching the surface and growing preferably towards the open sea.

Other marine organisms frequently found in this community:

Fauna: Ocean surgeon (Acanthurus bahianus), Spanish hogfish (Bodianus rufus), whitespotted filefish (Cantherines macroceros), coney (Cephalopolis fulva), yellowcheek wrasse (Halichoeres cyanocephalus), yellowhead wrasse (Halichoeres garnoti), puddingwife wrasse (Haliochoeres radiatus), Rock beauty (Holacanthus tricolor), longnose batfish (Ogcocephalus corniger), creole-fish (Paranthias furcifer), spotted goatfish (Pseudupeneus maculatus), cleaner wrasse (Labroides dimidiatus), lookdown (Selene vomer).

 

TECHNICAL DATA OF THE AQUARIUM

Volume: 11,48 m3
Temperature: 23-27 ºC
Lighting: High
Zoning: Infralittoral

 

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The Great Barrier reef. Australia

The Great Barrier Reef is a habitat with a large diversity of fish and tropical invertebrates. With a length of over 2,000 km, it is the only living structure that can be seen from the Moon.

Australia, that huge island between the Pacific and Indian oceans, is considered a continent because of its size. With a width of 4,000 km from east to west and a length of 3,200 km from north to south, in its northeast part it has the Great Barrier Reef. This is not a single reef, but is formed by a series of some 2,000 coastal reefs each of 8 km2.

Other marine organisms frequently found in this community:

Fauna: Yellow devilfish (Assessor flavissimus), saddle butterflyfish (Chaetodon ephippium), raccoon butterflyfish (Chaetodon lunula), Latticed butterflyfish (Chaetodon rafflesi), rainford’s butterflyfish (Chaetodon rainfordi), blueface angelfish (Chaetodontoplus personifer), barrier reef chromis (Chromis nitida), red coris wrasse (Coris gaimard), pyramid butterflyfish (Hemitaurichthys polylepis), blue surgeonfish (Paracanthus hepatus), bicolor goatfish(Parupeneus barberinoides), multicolored dottyback (Pseudochromis novaehollandiae), yellow-brown wrasse (Thalassoma lutescens), harlequin tuskfish (Lienardella fasciata), long-finned bannerfish (Heniochus acuminatus).

 

TECHNICAL DATA OF THE AQUARIUM

Volume: 11,48 m3
Temperature: 23-27 ºC
Lighting: High
Zoning: Infralittoral

 

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The Red sea

Between Africa and the Middle East, this tropical, warm and highly saline sea is home to extensive coral communities.

The Red Sea, with a surface area of 430,000 km2, receives its name from the presence of a floating red coral, Trichodesmium erythraeum, which often appears gathered in red and pink plates on the surface of these waters. Located between Africa and the Middle East, it is a sea with a very high salt concentration 42‰. This is caused by the little water brought in by rivers and the great evaporation on the surface.
There is an extraordinary diverse fauna in this sea, and it is said to be even richer in corals, fish and other marine organisms than the Indian Ocean. Its isolation has brought about endemic species, that is, species exclusive to these regions.

Other marine organisms frequently found in this community:

Fauna: Blacktip reef shark (Carcharhinus melanopterus), whitetip reef shark (Triaenodon obesus), humphead wrasse (Cheilinus undulatus), Yellow-ear angelfish (Apolemichthys xanthotis), yellowhead butterflyfish (Chaetodon xanthocephalus), checkerboard wrasse (Halichoeres hortulanus), fourline wrasse (Larabicus quadrilineatus), Arabian angelfish (Pomacanthus asfur), dutoiti (Pseudochromis dutoiti), sunrise dottyback (Pseudochromis flavivertex), olive dottyback (Pseudochromis olivaceus), striped dottyback (Pseudochromis sankeyi), blue-striped dottyback (Pseudochromis springeri).

 

TECHNICAL DATA OF THE AQUARIUM

Volume: 11,48 m3
Temperature: 23-27ºC
Lighting: High
Zoning: Infralittoral

 

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Tropical poisonous and aggressive fishes

Many species of fish have developed mechanisms to defend themselves from predators, such as poisons needles, electrical discharges or aggressive behaviour. Some species warn of their danger with bright colours.

Among the many organisms that live on coral reefs, many have acquired different adaptations for active defence, which often and accidentally may be a danger for humans, even though, in appearance, they are peaceful organisms of singular beauty. Poisonous needles, electrical discharges and even aggressive behaviour are some of the examples of the defensive adaptations used most widely in this medium. Some species warn of their danger with bright colours on their skin, and others can change their colours to pass unnoticed and blend into the medium that surrounds them, and even imitate other fish feared in the ecosystem.

Other marine organisms frequently found in this community:

Fauna: Fu Manchu lionfish (Dendrochirus biocellatus), dwarf lionfish (Dendrochirus brachypterus), yellow Boxfish (Ostracion cubicus), zebra lion fish (Dendrochirus zebra), stonefish (Synanceia verrucosa), lionfish (Pterois volitans), horned cowfish (Lactoria cornuta).

 

TECHNICAL DATA OF THE AQUARIUM

Volume: 11,48 m3
Temperature: 23-27 ºC
Lighting: High – half
Zoning: Infralittoral

 

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Tropical Atoll

Tropical atolls are coral reefs in the shape of a ring. Inside there is a lagoon of warm, calm waters.

The tropical atoll is the most popular coral reef, well-known for its characteristic ring shape, with a central lagoon of warm waters with depths of 30 to 80 m. This lagoon generally connects to the open sea through channels with the water is driven by the waves. The origin and formation of the atolls has been the object of studies and disputes among many scientists, but it is currently accepted that they are structures formed millions of years ago from other volcanic structures that have sunk, and the coral has formed on the top. Thanks to the combined action of the wind, waves and atmospheric erosion, the part of the atoll that stands out on the surface allows it to be covered with fertile land where plant seeds develop (coconut trees, bread trees, etc.) brought by the birds, the wind and even the sea currents, finally turning them into islands.

Other marine organisms frequently found in this community:

Fauna: Tomato clownfish (Amphiprion frenatus), clown triggerfish (Balistoides conspicillum), comet (Calloplesiops altivelis), bicolor angelfish (Centropyge bicolor), threadfin butterflyfish (Chaetodon auriga), raccoon butterflyfish (Chaetodon lunula), copperband butterflyfish (Chelmon rostratus), longnose butterflyfish (Forcipiger flavissimus), greenbird wrasse (Gomphosus varius), bicolor blenny (Labroides bicolor), pinnatus batfish (Platax pinnatus), magpie sweetlips (Plectorhinchus picus), emperor angelfish (Pomacanthus imperator), panther grouper (Chromileptis altivelis), orangespine unicornfish (Naso Lituratus).

 

TECHNICAL DATA OF THE AQUARIUM

Volume: 76,36 m3
Temperature: 23-27 ºC
Lighting: High / Optical fiber
Zoning: Infralittoral

 

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