Description of the crab species Three-spot swimming crabs (Ovalipes trimaculatus) have a rounded triangular carapace with five legs on either side. The tips of the back pair of legs are flattened into paddles for better maneuvering in the water. Adorned…

Limpets (Scutellastra sp. and others) have conical, oval-shaped shells that range from 1-10cm in diameter depending on the type of limpet. Their shell is ribbed or smooth depending on the limpet species. The shells are normally brown, grey, or black…

Purple Laver (Porphyra capensis) belongs to a genus of cold-water seaweeds that grow in shallow seawater. More specifically, it belongs to the red algae phylum of laver species (from which comes laverbread), comprising approximately 70 species. It grows in the…

Black mussels in Namibia include the following species: Ribbed mussel (Aulacomya atra), Black mussel (Choromytilus meridionalis), Mediterranean mussel (Mytilus galloprovincialis), Brown mussel (Perna perna) and Bisexual mussel (Semimytilus algosus). In one of my former articles on this website, I discussed…

Description of White mussels White mussels (Donax serra) are wedge-shaped bivalves with coarse ridges across the posterior. The inner surface is smooth and has a purple tinge. It has a short, stubby inhalant and a long, thin exhalant siphon. It…