You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

Plecostomus (Hypostomus plecostomus) and the vermiculated sailfin catfish (Pterygoplichthys disjunctivus) are both commonly referred to as armored catfish. (San Antonio River Authority) SAN MARCOS, ...

At first glance, a pet fish is a piece of cake. Yes, they are very chill pets compared to dogs and cats, but setting up their environment is where a lot of people flounder (lol!). For this reason, we ...

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