When we talk about fish, everyone thinks of animals with gills that inhabit the sea floor. However, did you know that there are some species that can breathe out of…
Fish Science
The night is an excellent time to stalk fish from the shore for two main reasons: The return to calm The calm being back on the banks of the…
Are the fish thirsty? A question that may seem quite obvious at first glance, but it is not, we explain. Fish are not thirsty like you and me. They…
Almost all fish have a gas bladder (except for tuna, sharks, or some flatfish living in the ocean floor). This bladder varies according to its volume, which allows the…
Fish require certain levels of protein, carbohydrates, fat, vitamins and minerals in their diet to ensure their survival and development. The levels of these different nutrients (or simple foods) vary…
There is always one that escapes us. The fear of swallowing a fishbone can ruin the most delicious fish dish. Should you worry if you swallow one? Getting a fishbone…
Some vertebrates do not need feathers or hair on their bodies to keep warm. They are ectothermic, or “cold-blooded”. This means that their internal temperature is identical to that of…
Fish reproduce in many ways, depending on the species. Watching fish reproduce is one of the most fascinating things about aquaristics because there are so many forms of reproduction in…
The time when humans considered animals as machines without brains or feelings is not yet completely over: some unfounded ideas, such as that fish have no memory (or even no…
Generally speaking, we could think that fishes go to “sleep” once the night falls, these last ones having no eyelids, they cannot really close their eyes. So what do they…