Fish

Fish are aquatic vertebrates that are covered with scales and breathe through gills without needing to leave the water. Fish can be found in saltwater, freshwater, warm waters or cold waters. In this section, you’ll learn all about aquarium and wild fish.

Swordtail Fish – Diet and Reproduction

If we say Xiphophorus, you probably won’t know we’re talking about. But we’re sure you might know them by one of their more common names: swordtail fish, platyfish, and platy. This is one of the most common fish in aquariums.…

Atlantic Cod: Characteristics and Reproduction

The Atlantic cod is a marine fish species. People also know them as Norwegian cod. They mainly inhabit the coasts of northeastern North America and Greenland, as well as the waters of the Atlantic Ocean near Iceland and the North…

What Are Electric Fish?

Since long before humans invented electricity, electric fish have fascinated scientists. Humans have been aware of their existence since Roman times, and often used their electric charges for therapeutic purposes. There are many species of fish that use electricity in…

3 Amazing Species of Flying Fish

Flying fish live in every single ocean and sea on the planet and there are lots of species of them. Seeing them burst out of the water as if they were birds is truly a sight to be seen. How are…

Cultivating Carp and Pond Fish: What You Need To Know

Many people who have large backyards or plots of land choose to create an artificial pond for cultivating carp and pond fish. Although beginners will have to keep careful notes initially, the investment of time and money will eventually be…

What Are the Differences Between Squid and Cuttlefish?

Although both animals are mollusks that look similar in many ways, there are several differences between squid and cuttlefish. Today we’re going to tell you more about each animal to help you recognize the differences. Important characteristics of squids Squids…

5 Tips for Introducing New Fish to Your Aquarium

An aquarium can be a really elegant decorative element, and is thought to be a great way to combat stress. Plus, it’s a good way to teach children about the responsibilities of looking after a pet from a young age.…

The Barracuda: an Aggressive and Unpredictable Fish

When we think of dangerous marine animals, we usually think of sharks, killer whales and jellyfish. However, not much is known about one of the most common and aggressive fish in coastal waters: the barracuda.  Morphology and habitat of the…

The Life Cycle of Eels

Eels have become a popular addition to some dishes, as many types of Asian cuisine have become more and more prevalent worldwide. However, this animal has remained mysterious to many people. Today, we’re going to tell you all about the…

The Blobfish: Habitat and Characteristics

The blobfish is a species of fish from the Psychrolutidae family. Its scientific name is Psychrolutes marcidus. This species is endemic to Australia, Tasmania, and New Zealand. Its gelatinous and soft-boned texture makes it a rather strange and curious fish.…

Sea Wasp: Characteristics and Habitat

The sea wasp, also known as Chironex fleckeri or box jellyfish, lives in Australian and the south-eastern Asian waters. There are almost 200 known species of jellyfish swimming in our planet’s seas. While many jellyfish are actually harmless, scientists think that the…

Species of Stingray and Their Characteristics

Stingrays are part of a large order of cartilaginous fish that characterized by their thin, flat bodies. They have two pectoral fins and a long tail, and, despite their morphological differences, they’re actually related to sharks. In this article, we’ll…

The Sea Lamprey: Habitat and Morphology

The sea lamprey is a creature that really does showcase the incredible biodiversity around us. This species of jawless fish is very easy to recognize. Its fearsome appearance and hematophagous diet have earned it the nickname “sea vampire”. Its mouth…

8 of the Strangest Marine Animals to Amaze You

Here are eight of the strangest marine animals in the world! Prepare to be amazed at this glimpse into the wonderful world beneath the ocean. 1. One of the strangest marine animals: the hairy toadfish Originally from the warm waters…

The Stonefish, a Master of Camouflage

Although it may look like one, it’s not a stone. It’s a living creature that takes the form of a rock and that can hurt any unsuspecting person. The stonefish is a deadly, poisonous species that camouflages itself using grayish…

Two Common Types of Flatfish: Sole and Megrim

The common sole and four-spot megrim are two common types of flatfish. However, people also tend to mix them up a lot. They may be from the same family, and look very similar, but there are some variations that can help…

Why is the Clownfish Orange?

In the coral reefs of the tropics, there are hundreds of striking species of fish. This has influenced a team of researchers to decide to find out what gives the clownfish its orange color and its striking patterns. Why is…

What Is the Red-Lipped Batfish?

The red-lipped batfish (or gcocephalus darwini) is a species of actinopterygian fish. That simply means that its fins contain bone, and it’s one of 60 species of the gcocephalidae family. This species has its habitat only in Ecuador (Galapagos Islands)…