Perfect Freshwater Algae Eaters in Tropical Tank: Rhino Pleco
PerfectFreshwater Algae Eaters in Tropical Tank: Rhino Pleco – The Rhino pleco is also known as Alligator pleco and Chocolate pleco. Its scientific name is Pterygoplichthys scrophus, but many sources make use of Liposarcus scrophus or the synonyms Glyptoperichthys scrophus. Photo copyright from aqualandpetsplus.com Perfect Freshwater Algae Eaters in Tropical Tank: Rhino Pleco You are able to identify a Pterygoplichthys species from Hypostomus for example due to the more rays in the dorsal fin, which can be up to over or 10. The Rhino pleco can reach a length of 27.5 cm (almost 11 inches). It's equipped with two nasal flutes that look like little horns on the head. The body coloration varies between black and rich brown, mottled brown. You understand this species is one of the genus Pterygoplichthys since it has more than ten rays in its dorsal fin. Sexing In males this is a little yet thick stump which apparently protrudes in the fish's underca...