- Common name: Least Cisco
- Scientific name: Coregonus sardinella
- Order: Salmoniformes
- Subfamily: Coregoninae
Also known as
Cisco, Lake Herring
- Elongated, slender body; slight lateral compression.
- Blueish olive back fading to silvery sides and white belly.
- No teeth except small cluster near tongue.
- Large scales and large eyes.
- Lower jaw projects beyond tip of upper jaw.
- Length: 10 to 20 cm
- Weight: 50 to 200 g
- Habitat: Freshwater and anadromous
- Yukon: S4 (Apparently Secure)
- Global: G5 (Secure)
Yukon population estimate
The Least Cisco occupies the fresh and brackish water of lakes, rivers, estuaries and coastal waters. It resembles a saltwater herring, earning it the common nickname “Lake Herring." It spawns in fall and early winter in shallow, turbid water over gravel. A jumbo form is found in some Yukon lakes, reaching 40 cm.
Aquatic insects, molluscs, crustaceans and small fish.
Least Cisco and people
- In the past, large numbers of Least Cisco in the Southern Lakes area were caught for use as animal feed by fur farmers.
- Currently, Least Cisco are commonly caught for use as bait by anglers seeking Lake Trout.