The 'ball of death': the carnivorous sponge that intrigues science
All about the carnivorous sponge 'ball of death': where it was found, how it hunts and what it reveals about the Southern Ocean.
Marine Aquarium
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500 fish die at ECOAQUA facilities in Taliarte
Gill lesions caused the death of 500 fish at ECOAQUA Taliarte. Tests ruled out an infectious cause, and the incident is now over.
Profepa sanctions the Veracruz Aquarium for mistreatment of dolphins and sea lions.
Profepa sanctions the Veracruz Aquarium for forcing dolphins and sea lions into prohibited shows. Details of the case and next steps.
A fossil reveals the origin of starfish symmetry.
A Cambrian fossil from Morocco clarifies how starfish went from bilateral symmetry to five rays. Key insights from the IGME-CSIC study.
Importance of Aquatic Oxygenation: Science, Methods, and Key Uses
What is dissolved oxygen, why it matters, and how to oxygenate water in aquaculture, irrigation, and treatment. Methods, levels, and measurement.
Sleeping with sharks in A Coruña: dates, locations, and how to sign up
Nights for 10-11 year-olds are back at the Aquarium Finisterrae: October 24-25 and November 28-29. 20 places per session, €45 (€20 for members). Register online.
The world's most complete shark fossil has been found in Colombia.
The most complete fossil shark has been found in Boyacá: 6,65 m long, with 107 vertebrae and soft tissue. All the details of the study and its scientific scope.
Plastic Pollution: Key Facts, Impact, and Solutions
Figures, health, and solutions to plastic pollution. EU measures, a global treaty, and actions you can take today.
Sargassum in the Caribbean: figures, impact, and ongoing responses
Figures, causes, and initiatives to combat sargassum in the Caribbean: what's happening, why it's growing, and how to combat it on beaches and at sea.
Best species de peces to have at home: a practical guide for beginners and experts
Discover the best fish for home: easy, compatible, and suitable for small aquariums. Specifications, liters, and tips for choosing the right one.
The nearly two-meter-long creature found in California turns out to be a rare ocean sunfish.
A nearly two-meter-long Mola tecta sunfish has been found in Bodega Bay. Why it's rare in the North, and what experts say.
Category highlights
- Saltwater Aquarium: Complete Guide with Equipment, Setup, and Species for a Successful Start
- Characteristics, care and habitat of the Old Water Lady
- Razorfish: Characteristics and Adaptation in Aquariums
- Care, characteristics and curiosities of the puffer fish
- Snails in the aquarium: benefits, problems and pest control
- Mackerel: Characteristics, Habitat and Nutritional Value
- Yeti Crab: Habitat, characteristics and curiosities of this unique species
- Sole: Characteristics, Habitat and Culinary Relevance
- Caribbean Spider Crab: Characteristics and Care
- Shaking Fish: Characteristics, Habitat and Curiosities
- Fascinating history of seahorses and their conservation
- The Kulli fish: characteristics, care and reproduction in aquariums
- Characteristics and care of the Labeo Bicolor: The red-tailed shark
- Skimmer for your aquarium
Best species de peces to have at home: complete guide to selection, care, and compatibility
Choosing the best fish for your aquarium: easy and advanced species, parameters, liters, and compatibility. A practical guide for a stable tank.
Three new species of snailfish emerge in Monterey Canyon
MBARI finds three new species of snailfish at 3.268 m in Monterey Canyon using ROVs and genetic analysis. Learn about their traits and why they matter.
Hidden scars of the whale shark: fishing and tourism in the spotlight
A 13-year study in West Papua shows that most whale shark injuries are due to bagans and tourism. Keys and solutions.
Costa Rica's orange shark intrigues science
First documented orange nurse shark in Costa Rica: captured and released near Tortuguero. Photos, facts, and key facts about the discovery.
Saltwater Aquarium: Complete Guide with Equipment, Setup, and Species for a Successful Start
Everything for your marine aquarium: equipment, water, rocks, fish, and parameters. A practical guide with steps and tips to get you started right.
Great Mazatlán Aquarium: marine immersion, capybaras and new educational stage
The Mazatlán Grand Aquarium offers an immersive tour, capybaras, and conservation-focused activities following the new law. Read the highlights.
Former Mar del Plata Aquarium: complaints, inspections, and wildlife transfers
Reports of abuse at the former Mar del Plata Aquarium: inspections, status, and transfers with permits. Everything you need to know.
A discovery of sea turtles highlights the importance of Almassora Beach as a nesting area.
A sea turtle nest with 11 hatchlings and 129 eggs found in Almassora, key to its conservation and Mediterranean biodiversity.
Why is the clownfish one of the most curious animals on the reef?
Did you know that clownfish change sex? Discover how this iconic reef fish lives, reproduces, and communicates.
Why saltwater is key on the coast: health, environment and emergencies
Why is saltwater essential for health and the coastline? Discover its uses, risks, and how to stay safe at the beach.
Unprecedented sightings of manta rays on the Spanish coast: causes, risks, and conservation challenges
Why are there so many manta rays on the beaches? Discover the causes, risks, and key tips if you encounter one on the coast.
'Jaws': Legacy and Secrets Half a Century Later
Jaws revives on its anniversary with a documentary, IMAX restoration, and tributes. Discover the legacy and secrets of this classic.
Toxic algae threatens marine life and the economy: the new challenge on Australian coasts
Explore how Karenia mikimotoi algae is devastating Australian marine life and economy, and what action is being taken.
The four species of Portuguese man-of-war: a discovery that transforms marine science
Scientists have identified four different species of Portuguese man-of-war after a global study. Learn the details and how their discovery impacts the world.
The impact of shark capture: threats, challenges and specificities
Why is shark catching such a concern? Discover facts, threats, and interesting facts about this phenomenon.
The diet of fish in marine ecosystems: keys to understanding the ocean's food web
How fish diets influence the health of marine ecosystems. Discover the most relevant findings from the latest international study.
The scorpionfish: the camouflaged inhabitant that is revolutionizing beaches and worrying bathers.
What should you do if you get stung by a scorpion fish? Discover symptoms, risks, and prevention tips to avoid scares on the beach.
The sea snail and its cultural, ecological, and health relevance in Mexico
How do exploitation and risks affect sea snails in Mexico? Tradition, conservation, and dangers, in a full report.
The journey of Alicia, the hammerhead shark that revealed secrets of her species and challenges for its conservation
Satellite tracking of a hammerhead shark in the Galapagos reveals its migration and warns of its risk of extinction.
Concern over the protection of sea cucumbers: new bans and threats to marine ecosystems
The sea cucumber ban has been extended, and the risks from illegal fishing and port projects are growing. Learn about the current situation and its impact.
Red Pencilfish Care and Maintenance in the Aquarium: Complete Guide
Learn how to care for the red pencil fish with tips on habitat, living arrangements, feeding, and ideal aquarium parameters.
The seahorse: sighting of a juvenile at Riells de L'Escala Beach
A juvenile seahorse spotted in L'Escala raises hope for its conservation and highlights the importance of caring for the marine environment.
Contender, the largest great white shark in the Atlantic: Scientific monitoring of a marine giant near tourist destinations
The largest great white shark in the Atlantic is approaching tourist beaches. Discover the secrets of its tracking and conservation.
Substrates for planted aquariums: types, uses, and advanced recommendations
Discover how to choose the best substrate for planted aquariums. Types, care, and tips for healthy growth and a spectacular aquarium.
Mysteries and threats to marine invertebrates: survival, biodiversity, and current challenges
Did you know that marine invertebrates are resisting extinction and continue to face challenges like plastic and disease? Find out more.
Silver argosi: care, characteristics, habitat, and ideal aquarium
Discover how to keep silver argos in an aquarium: care, parameters, feeding, and keys to their well-being. A complete and visual guide!
The importance of marine aquariums in environmental conservation and education
Do you know how marine aquariums contribute to protecting the oceans? Discover their key role in conservation and environmental education.
The warming of the Alboran Sea is driving an unprecedented biological transformation.
Discover how the warming of the Alboran Sea is attracting tropical species and changing biodiversity. Find out more here!
Complete guide to colorful red mullet in aquariums: characteristics, maintenance, and recommended species
Learn all about colorful red mullet in aquariums: care, recommended species, and how to maintain their color and health in your marine tank.
Climate change and its direct impact on fish: challenges for the future of marine ecosystems
Discover how climate change affects fish and oceans: distribution, habitats, and the challenges facing marine biodiversity.
Large-scale release of sea urchins in XÃ bia to restore marine ecosystems
Release sea urchins in XÃ bia: learn how this project restores ecosystems and strengthens biodiversity.
Lighting in marine aquariums: a complete and optimized guide
Learn all about lighting in marine aquariums. Types, light spectrum, photoperiod and tips for a balanced ecosystem.
Three-tailed fish: characteristics, habitat and peculiarities
Discover the characteristics, habitat and behavior of the three-tailed fish, a fascinating inhabitant of marine reefs.
Serrano Fish (Serranus scriba): Characteristics, habitat and curiosities
Discover the characteristics, habitat and curiosities of the Serranus scriba, a fascinating marine predator with a unique coloration.
Characteristics, care and habitat of the Old Water Lady
Discover all about the Old Water Fish, its habitat, feeding and care in aquariums. Learn how to breed and maintain this fish in optimal conditions.
Complete Guide to Prevent and Treat Aquarius Syndrome New
Discover how to prevent and solve New Aquarium Syndrome. Practical tips for a balanced ecosystem and healthy fish.
Razorfish: Characteristics and Adaptation in Aquariums
Discover the characteristics and habitat of the Razorfish, its unique behavior and aquarium care. Ideal for aquarium lovers.
Care, characteristics and curiosities of the puffer fish
Discover the characteristics, behavior, and essential care of the puffer fish. Learn about its diet, habitat, and precautions you should take.
Snails in the aquarium: benefits, problems and pest control
Find out how to manage snails in aquariums: functions, pests and methods to control them. Learn about the most problematic species and how to prevent them.
Mackerel: Characteristics, Habitat and Nutritional Value
Discover everything about mackerel: physical characteristics, nutritional value, habitat, behavior and delicious recipes. A blue fish full of benefits.
Characteristics, care and curiosities of the Kissing fish
Discover the characteristics, care and curiosities of the Kissing fish, a fascinating species for aquariums. Learn all about its diet and reproduction.
Yeti Crab: Habitat, characteristics and curiosities of this unique species
Discover everything about the fascinating Yeti crab: its extreme habitat, unique features and curiosities. A hidden world in the depths!
Sole: Characteristics, Habitat and Culinary Relevance
Discover the characteristics of the Sole, its habitat and diet. A fascinating flatfish and a star in gastronomy. Learn more here.
Dactylopterus volitans, the Swallowfish
We take a look at Dactylopterus volitans, also known as the Swallowfish.
Mixing different classes de peces
Although it may not seem like it, mixing different species de peces It can be something dangerous. When in doubt, it is better to consult before doing so.
Benefits and essential care when having fish as pets
Discover the advantages of having fish as pets, their basic care and therapeutic benefits. Ideal for children and quiet homes.
Caribbean Spider Crab: Characteristics and Care
Discover everything about the Caribbean spider crab. Care, habitat, feeding and interesting facts for lovers of aquariums and marine life.
Homemade CO2 for Aquariums: Complete Guide and Alternatives
Discover how to generate homemade CO2 for aquariums easily, economically and safely. Optimize the growth of your aquatic plants and the well-being of your fish.
Secrets to Caring for Surgeonfish: Complete Guide
Learn how to care for surgeonfish in aquariums with this comprehensive guide on feeding, compatibility and optimal water maintenance. Find out more!
Dumbo Octopus: Exploring his unique world in the deep
Discover the Dumbo octopus, its fascinating features, habitat and unique behavior. Learn about this inhabitant of the deep sea.
Characteristics, Care and Habitat of the Coral Fish (Heniochus Acuminatus)
Discover all about the fascinating Coral Fish (Heniochus Acuminatus): characteristics, care, feeding and habitat. Ideal for marine aquariums.
Causes and symptoms of stress in fish: a complete guide
Discover the symptoms of stress in fish, their causes and how to prevent health problems in your aquarium. Complete guide to ensure their well-being.
Redtip shark: characteristics, care and curiosities
Discover everything about the redtip shark: care, feeding, behavior and interesting facts to keep it in optimal conditions in your aquarium.
Complete Guide: Types of Aquarium Filters and Their Function
Discover the types of aquarium filters, their functions and benefits. Learn how to choose the right one and how to maintain it for an optimal environment.
Complete guide to managing water hardness and density in aquariums
Discover how to manage water hardness and density in aquariums to maintain a healthy environment for your fish. Learn all about it here!
Detailed tips to prolong the life of the fish in your aquarium
Learn how to care for your aquarium and prolong the life of your fish with key tips on plants, lighting, feeding and water quality.
Aquarium bottom stones: functions and care
Discover how to choose stones for the bottom of your aquarium. Learn about their benefits, types and care for a healthy and decorative ecosystem.
Complete Guide to Caring for Flame Angelfish
Discover how to care for the Flame Angelfish: feeding, aquarium requirements and practical tips to maintain its health and beauty in your marine tank.
Shaking Fish: Characteristics, Habitat and Curiosities
Discover the fascinating characteristics and habitat of the quaking fish, an animal capable of generating electric shocks of up to 200 volts.
Fascinating history of seahorses and their conservation
Discover the history of the seahorse, its impact on different cultures and the efforts to prevent its extinction. Find out more!
The Importance of Aquarium Cycling: How to Maintain a Healthy Aquatic Ecosystem
Discover how cycling your aquarium is essential to maintaining clean, toxin-free water. Learn how to do it effectively to ensure the health of your fish.
Complete Guide: How to Build Your Marine Aquarium Step by Step
Build your saltwater aquarium step by step. Learn how to create and maintain a healthy marine ecosystem. Avoid common mistakes and enjoy the perfect aquarium!
The surprising personalities of fish: How do they adapt and change?
Fish have personalities and their behavior can change depending on temperature and stress. Find out how environmental factors influence your fish.
Molly: All about the Fish, Care, Reproduction and Characteristics
Discover everything you need to know about the Molly fish, its care, reproduction and characteristics. Ideal for community aquariums. Learn more here.
The Kulli fish: characteristics, care and reproduction in aquariums
Discover everything about the Kulli fish: characteristics, care, feeding and how to create the perfect aquarium for this tropical species.
Advantages of having fish as pets: tranquility and low maintenance
Discover all the advantages of having fish as pets: calm, easy to care for and low maintenance costs.
Complete Guide: Types, Shapes and Styles of Aquariums
Discover the different types of aquariums, their shapes and how to choose the best style for your needs and those of your fish. Detailed guide!
Yellow Surgeonfish Care and Characteristics: Complete Guide
Discover how to care for the yellow surgeonfish. Information on feeding, behavior and needs of the Zebrasoma flavescens in marine aquariums.
Mandarin Fish: The Chromatic Spectacle of the Reefs
Discover the Mandarin fish, one of the most colorful fish in the world. Learn about its habitat, aquarium care, and hypnotic behavior.
Characteristics and care of the Labeo Bicolor: The red-tailed shark
Discover how to care for the Labeo Bicolor fish: characteristics, feeding, proper aquarium temperature and more to enjoy this territorial fish.
Aquatic Plants for Aquariums: Complete Guide for your Underwater Ecosystem
Discover how aquatic plants improve your aquarium. Learn about their care, types, and benefits to create a balanced ecosystem.
Skimmer for your aquarium
A skimmer is used in the aquarium world very frequently. Find out here what it is for and how it is used in your fish tank.
Marine aquariums
We tell you all the characteristics and requirements that marine aquariums need and we show you the best models of 2025.
The best aquarium lamps
We show you the characteristics that the lighting of a fish tank should have. Here you can choose between the best aquarium lamps