What Fish Eat Seaweed?

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What is Seaweed and Why Do Saltwater Fish Eat it? First off, you might be surprised to learn that seaweed is not truly a plant in the sense of a tree or shrub. It is actually a kind of multicellular algae that forms giant branching structures! Unlike most species of terrestrial plants, seaweed is much … Read more

Do Fish Have Backbones?

When watching a fish swim, you might be charmed by the grace many species display. While they have entire systems designed to propel them, it’s easy to recognize that their skeleton plays a major role in their movement. Fish seem so fluid and flexible that it begs the question do fish have backbones?! Vertebrates vs … Read more

Can Fish Swim Backwards?

can fish swim backwards

At first glance, fish seem to all swim in more or less the same manner. They all whip their body laterally and use their tail fin to move forwards and backward… Right? Well, not quite! Fish actually use five different swimming strategies when moving forward – but what about backward? Can fish swim backwards? And … Read more

Can Fish See in the Dark?

When the lights go out, and it’s time for your aquarium fish to sleep, most species simply slow down and find a place to rest. But many of you have probably wondered whether your fish actually sleep. After all, they can’t close their eyes… Do some feed instead? What about active nocturnal fish? Can fish … Read more

Why Is My Betta Fish Not Moving Around the Tank?

Do you have a betta that spends all of its time at the bottom of the tank? Lethargy is often (but not always) one of the first symptoms of a larger issue, so good on you for spotting it! Let’s take about some main reasons why a betta might not want to move from the … Read more