. Dangerous marine animals. Marine animals. MARINE ANIMALS THAT STING 67 Pacific Ratfish, Hydrolagus colliei (Lay and Bennett) (Fig. 37, Next to Top). Found along the Pacific coast of North America. Venom Apparatus of the Ratfish. The venom apparatus of rat- fishes consists of the single dorsal sting which is situated along the anterior margin of the first dorsal fin. Along the back of the spine is a shallow depression which contains a strip of soft, grayish tissue—the venom gland. Medical Aspects. Ratfishes are said to inflict a very painful wound with their sharp dorsal stings. However, noth
. Dangerous marine animals. Marine animals. MARINE ANIMALS THAT STING 67 Pacific Ratfish, Hydrolagus colliei (Lay and Bennett) (Fig. 37, Next to Top). Found along the Pacific coast of North America. Venom Apparatus of the Ratfish. The venom apparatus of rat- fishes consists of the single dorsal sting which is situated along the anterior margin of the first dorsal fin. Along the back of the spine is a shallow depression which contains a strip of soft, grayish tissue—the venom gland. Medical Aspects. Ratfishes are said to inflict a very painful wound with their sharp dorsal stings. However, nothing is known about the symptoms produced. It is assumed that wounds from this fish are largely accidental since the fish is not reputed to be Fig. 38. Sea Catfish, Bagre marina (Mitchell) CATRSHES Catfishes come in a wide variety of sizes and shapes. Their body shape may vary from short to greatly elongate, or even eel-like. The head is extremely variable, sometimes very large, wide or de- pressed, or may be very small. The lips are usually equipped with long barbels. The skin of these fishes is thick and slimy, or may be covered with bony plates. No true scales are ever present. About one thousand species are included within this group, most of which are found in the freshwater streams of the tropics, but a few are marine. Only a few representative marine and brackish water species have been selected for the purposes of this manual. Representative Species of Catfishes : Catfish, Galeichthijs felis (Linnaeus) (Fig. 37, Third from Top). Ranges from Cape Cod to the Gulf of Mexico. Catfish, Clarias batrachus (Linnaeus) (Fig. 37, 4th from Top). India to the Netherlands Indies and Philippine Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Halstead, Bruce W. Cambridge, Md. , Cornell Mariti
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Keywords: ., bookcentury1900, bookcollectionbiodive, booksubjectmarineanimals
