. The animal creation: a popular introduction to zoology. Zoology. 344 Okder of Apodal Soft-finned Fishes. Malacopterygii Apoda.* All the fishes belonging to this Order have an elongated form, a thick, soft, and but slightly scaly skin : their chief characteristic, however, is their want of ventral fins. They form a single family, The Anguilliformes,t which includes the Eels, Gymnotus, &c. All these fishes have the operculum very small, and opening far back by a hole or sort of tube, an arrangement enabling them to live for some time out of the water. The Eels {Anguilla) are characterized
. The animal creation: a popular introduction to zoology. Zoology. 344 Okder of Apodal Soft-finned Fishes. Malacopterygii Apoda.* All the fishes belonging to this Order have an elongated form, a thick, soft, and but slightly scaly skin : their chief characteristic, however, is their want of ventral fins. They form a single family, The Anguilliformes,t which includes the Eels, Gymnotus, &c. All these fishes have the operculum very small, and opening far back by a hole or sort of tube, an arrangement enabling them to live for some time out of the water. The Eels {Anguilla) are characterized by having the openings of the gills placed beneath the pectoral fins. They are too well known to require minute description. Eels are very voracious, and extremely. FlU. 276.—SHARP-NOSEO EEL. agile. They swim equally well backward or forward, and their skin is so slippery that it is dirticult to hold them. During a great part of tlieir life they inhabit fresh water, and frequent ponds and lakes * a, a, loitliout; vdvs, ttoSos, pons, podos, feet. t 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 Jones, Thomas Rymer, 1810-1880. London : Society for Promoting Knowledge
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Keywords: ., bookauthorjo, bookcentury1800, bookdecade1860, booksubjectzoology
