Systema Naturae - Characteres Piscium: Apodes

Carl Linnaeus

144 Gymnotus apterygium

Caput

Caput operculis lateralibus.

Tentacula

Tentacula duo ad labium fuperius.

Membr. branch.

Membr. branch. radiis V.

Corpus

Corpus compressum, fubtus pinna carinatum.

Asiaticus

G. squamosus, dorso pinnato. D. 46. P. 14. V. o. A. 28. C. 16.

Habitat in Asia

Piscis

Piscis plus quam spithameus, crassiusculus, tectus squamis, laeuibus, rotundatis, distinctis, etiam supra caput, cui puncta 5 excauata, vti etiam aliquot in Maxillis inferioribus.

Anus

Anus in medio corporis.

Linea lateralis

Linea lateralis eluata, recta, sed, desendens supra anum.

Color

Color obscurus fasciis fuscis. Puncta alba in pinna dorsali et postica parte corporis. Ob opercula lateraliter ampla aperienda et ob Squamas nequit esse Muraena; pinna dorsalis incipit pone caput et extenditur fere ad caudam.

Caput

Caput depressum, laeniusculum.

Membr. branch.

Membr. branch. 5.

Corpus

Corpus subcylindriccum, postice compressum.

Pinna

Pinna dorsi mox post nucham incipiens.

144 Gymnotus apterygium

Head

Head with lateral opercles

Sense Pits

Two sense pits on lower lips.

Gills

Gills with five slits.

Body

Compressed body of which the lower part is like that of a ship.

Asiaticus

Covered with scales. Feathered back. D. 46. P. 14. V. o. A. 28. C. 16.

Dwells in Asia

The Fish

It is covered with colored scales even on its head. Its head has five excavacted dots. Those also can be found on the lower jaws.

The Anus

The anus is in the middle of the body.

The Lateral Line

The lateral line is visible and it lowers down when the anus is reached.

The Color

Its body color is dark and contains blackish stripes. On the dorsal fin as well as on the back part of the body there are white dots. Since it contains opercles which can be opened widely and because it has scales it cannot be a muraene. The dorsal fin start behind its head and stretches to its tail.

The Head

The head is compressed and smooth.

The Sense Pits

The two sense pits are cut positioned in front of its nose.

The Gills

The gill has five slits.

The Body

Its body is of subcylindrical shape and compressed towards the tail.

The Back

The back fin starts near the neck.

This passage has originally been published in: Linnaeus, C.: Systema Naturae - Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata.. Holmiae. Xth edition 1758.

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