Barcelona Aquarium’s 5 Unique Themed Aquariums

Themed tanks are a collection of smaller exhibits that provide an intimate view of the underwater hidden creatures.

These targeted displays allow you to enjoy marine life’s diversity and adaptability, which you will miss in bigger tanks. 

The tanks include marine invertebrates (sea urchins and starfish), seahorses, tropical corals, and sea dragons.

The different themed aquaria are:

• Marine invertebrates
• Seahorses
• Shark Eggs
• Tropical Corals
• Amazing underwater creatures

This guide will help you navigate through these themed treasures and learn about the distinct residents to develop a better understanding of the ocean’s hidden gems.

Pro Tip: Elevate your aquarium experience with Barcelona Aquarium tickets, offering access to themed exhibits and discounted options for an enhanced visit.

Marine invertebrates

To better comprehend this group of marine animals, this tank displays some representatives of the various species of invertebrates. 

Invertebrates are both terrestrial and aquatic animals that lack a backbone. 

We can divide invertebrates into two groups: arthropods and non-arthropods.

Sharpen your vision to distinguish some hermit crabs and shrimp in this neighborhood!

At a Glance

Shark eggs

You may look closely at the shark eggs in the aquarium, hanging between the corals and marine plants.

Shark eggs, often known as mermaid’s purses due to their form, have a lengthy and relatively translucent shell that allows you to observe how the shark embryos develop inside. 

The egg capsule also has tendrils on its ends to keep the eggs anchored to the corals and marine vegetation instead of being carried away by the currents.

Look closely at the eggs because the embryos may be moving within at the bottom of the tank because some have already been born.

At a Glance

Tropical corals

Corals are colonies of microscopic animals known as polyps that construct intricate reef structures. They are genuinely natural architects.

In this tiny aquarium, you can see several beautiful corals up close and how polyps move by opening and shutting their tentacles.

This tank’s coral has been bred in captivity without removing specimens from the wild.

Amazing underwater creatures

In these little aquariums, you can see marine species with unusual shapes that resemble mythological beings. 

They are organisms that take on bizarre shapes to adapt to their surroundings. They will pique your interest and take you to a world of myth and legend.

They are currently home to clownfish and leafy sea dragons, a sporadic type of seahorse that is difficult to identify from its surroundings, rich in leaves and algae.

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