- The
Gymnotiformes /dʒɪmˈnɒtɪfɔːrmiːz/ are an
order of
teleost bony
fishes commonly known as
Neotropical knifefish or
South American knifefish. They have...
- (Anguilliformes) but are
members of the
electroreceptive knifefish order Gymnotiformes. This
order is more
closely related to catfish. In 2019,
electric eels...
-
knifefishes are a family, Apteronotidae, of ray-finned
fishes in the
order Gymnotiformes.
These fish are
native to
Panama and
South America. They
inhabit a wide...
- length, and 20 kg (44 lb) in weight,
making them the
largest of the
Gymnotiformes.
Their coloration is dark gray-brown on the back and
yellow or orange...
-
knifefishes (
Gymnotiformes) and the
African elephantfishes (Notopteroidei),
enabling them to
navigate and find food in
turbid water. The
Gymnotiformes include...
- to that of the
Gymnotiformes, with a few
minor differences. S-units in
Gymnarchus are time coders, like the T-units in
Gymnotiformes. O-units code the...
- (39%), but
other groups with many
species include Cichlidae (6%) and
Gymnotiformes (3%). In
addition to
major differences in
behavior and ecology, Amazonian...
- carapo.
Overall Gymnotus is the most
widespread genus in the
order Gymnotiformes.
Although not
commonly eaten by humans, some
members of this
genus are...
-
relatives are the
Characiformes (characins,
tetras and
their kin), the
Gymnotiformes (electric eel and
American knifefishes), and the
Siluriformes (catfishes)...
-
about 2,168
species Siluriformes (catfishes),
about 3,813
species Gymnotiformes (electric eels,
American knifefishes),
about 239
species (sometimes...
