Distribution in the Local
Kamaniskeg Lake, Tait Lake,
Rhinichthys, from the Greek,
atratulus, from the Greek, "wearing black",
as for mourning Common Name from the dark band which
runs across its nose .
Other common names include: brook minnow, dace, eastern
blacknose dace, potbelly, redfin dace, slicker, striped
dace, western blacknose dace
Phylum Chordata, animals with a spinal chord
Subphylum Vertebrata, animals with a backbone
Superclass Osteichthyes, bony fishes
Class Actinopterygii, ray-finned and spiny rayed fishes
Order Cypriniformes, minnows and suckers
Family Cyprinidae, carps and minnows
Genus Rhinichthys, the riffle daces
A small minnow of rivers and
2"-3", up to 4"
olive-green, brownish to black
darkened spots on the side giving a mottled appearance.
peritoneum silvery colored
dark band, from which the fish acquires its common name,
runs across the nose and down both lateral edges to
the caudal peduncle. dusky lateral band is outlined
above by a row of light scales. Spawning males develop
a pink to red-colored lateral band.
complete lateral line of 62-71
dorsal and pelvic fins of 8 rays
anal fin of 7 rays
pectoral fins of 13-16 rays
mouth sub-terminal; oblique
with equal length jaws barbel present on the posterior
tip of the jaw upper lip attached to the snout without
a groove (a feature known as a frenulum), which is characteristic
Hooked pharyngeal teeth in a 2, 4-4, 2 pattern.
Prefers small streams. Often
found in streams with brook trout
Largely aquatic insects insects,
worms, arachnids, mites, larval fish, algae, and detritus.
Sometimes used as bait and quite
Mature by age 2 . Spawning occurs
April to July in shallow water at 15.6-22°C, over
gravel and rubble where both the male and female construct
a nest of small pebbles. After spawning, little parental
care is given the eggs..
Fecundity is 375-9,142 eggs
per female Young range from 1½" to 2"
in length by the end of the first season.
Longnose dace (Rhinichthys cataractae)