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The head is about 3 ⁄ 10 of the standard length of the fish. [2] The head contains a distinct narrow, bony, external protrusion called a humeral process. [5] The shape and size of the humeral process help to identify the species. In S. granulosus, the humeral process is narrow, long, and rough in appearance, with a distinct ridge on the ...
The head contains a distinct narrow, bony, external protrusion called a humeral process. [2] The fish has three pairs of barbels. The maxillary barbels are on located on the upper jaw, and two pairs of mandibular barbels are on the lower jaw. [6] The adipose fin is large and the tail, or caudal fin, is forked. [2]
The head is about 3 ⁄ 10 of the standard length of the fish. [4] The head contains a distinct narrow, bony external protrusion called a humeral process. [3] The shape and size of the humeral process helps to identify the species. In S. petricola, the humeral process is triangular, rough, and is covered in many small, thin papillae. [4]
The head contains a distinct bony, external protrusion called a humeral process. [6] The shape and size of the humeral process helps to identify the species. In S. membranaceus, the humeral process is subtriangular, flat, rough, and as long or shorter than it is deep. [6] The fish has three pairs of barbels. The maxillary barbels are on located ...
The head contains a distinct narrow, bony, external protrusion called a humeral process. [2] The shape and size of the humeral process helps to identify the species. In S. clarias, the humeral process is subtriangular, flat, and rough. [4] The fish has three pairs of barbels. The maxillary barbels are on located on the upper jaw, and two pairs ...
The head contains a distinct narrow, bony, external protrusion called a humeral process. [4] The shape and size of the humeral process helps to identify the species. In S. pardalis, the humeral process is rough, a little longer than it is broad, with a ridge on the bottom edge, and obtusely pointed. [3] The fish has three pairs of barbels. The ...
The head contains a distinct narrow, bony, external protrusion called a humeral process. [2] The shape and size of the humeral process helps to identify the species. In S. filamentosus, the humeral process is flat, a little longer than it is broad, and rounded at the end. [6] The fish has three pairs of barbels. The maxillary barbels are on ...
The head contains a distinct narrow, bony, external protrusion called a humeral process. [3] The shape and size of the humeral process helps to identify the species. In S. zambezensis, the humeral process is long, without a distinct keel, and ends in a sharp point. [5] The fish has three pairs of barbels. The maxillary barbels are on located on ...