Definition of Apteronotids. Meaning of Apteronotids. Synonyms of Apteronotids

- and jaws. Apteronotids use a high frequency tone-type (also called wave-type) electric organ discharge (EOD) to communicate. Many Apteronotids are aggressive...
- positive baseline (the EOD of most apteronotids have both positive and negative spikes). The only other apteronotid known to have a monophasic EOD is the...
- compared to the body size of the fish. The caudal fin is absent, or in the apteronotids, greatly reduced. The gill opening is restricted. The anal opening is...
- speculated to function in electroreception for locating prey. Like other apteronotids, these fish generate a continuous weak electric field for the purposes...
- pectoral fin and a greatly reduced caudal tail, an identifying trait of Apteronotids among the Gymnotiforms.  Brown ghost knifefish possess an elongated,...
- pigmentation. S. preto grows to about 30 cm (12 in) long. As in other apteronotids, S. preto generates a continuous, weak electric field for electrolocation...
- Compsaraia samueli, the pelican knifefish, is a species of apteronotid electric fish from the western Amazon basin of Brazil and Peru. It exhibits pronounced...
- black at the margins. The maximum known length is 30 cm. Like other apteronotids, S. porcium generates a weak electric field for electrolocation and communication...
- and sternon + archos ("chest" + "****", a commonly used name for apteronotids that refers to the anterior position of the urogenital opening). From...
- of these floodplains within floating rafts of vegetation. Like other apteronotids, S. nattereri produces a continuous, weak electric field for the purposes...