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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 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. marmoratus, the humeral process is more than twice as long as it is wide. [5] The fish has three pairs of barbels. The maxillary barbels are on located on the upper jaw, and ...
Most of the internal organs are located near the head. In many catfish, the "humeral process" is a bony process extending backward from the pectoral girdle immediately above the base of the pectoral fin. It lies beneath the skin, where its outline may be determined by dissecting the skin or probing with a needle.
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. [3] The shape and size of the humeral process helps to identify the species. In S. melanostictus , the humeral process is triangular, wide at the base and tapering to a sharp point, with a poorly defined ridge on the bottom edge, and becoming rough on 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. robbianus, the humeral process is about 1 + 1 ⁄ 2 to 2 times as long as it is broad, rough, and with a ridge on the lower edge. [4] The fish has three pairs of barbels. The ...