Bait and Fishing Methods
Bottom fishing with sandworms is a documented method. Tomcod moves toward upper tidal areas during the colder months, so its seasonal location can matter as much as bait choice. Local conditions and applicable fishing rules determine where and when a fishery is available.
Size and Weight
The reported maximum total length is 38.1 cm, about 15 inches. A Minas Basin study measured fish up to 342 g, approximately 12.1 ounces. That is the largest weight in the published sample, not a verified species-wide record. The study’s longest fish was shorter than the overall reported length maximum.
Habitat and Natural Food
Coastal, brackish and freshwater habitats can support Tomcod. Small crustaceans are important foods; a Minas Basin study found amphipods especially common in stomachs. Worms and small fishes also contribute. Diet varies with the food available locally.
Reproduction
Many populations move into brackish or freshwater spawning areas in winter. This short migration contrasts with the long ocean journeys of sea-run salmon. Cold-season spawning helps explain why a fish that is inconspicuous in summer can become noticeable in tidal creeks later in the year.
Why It Is Called Frostfish
The arrival of cold weather coincides with Tomcod gathering toward spawning areas. Its winter reproductive schedule places an important part of its life cycle in a season when many other fishes are less conspicuous to shoreline observers.
All Lakes With Atlantic Tomcod
Browse all lakes and reservoirs with confirmed Atlantic Tomcod records in our database, listed alphabetically.
No published lakes are currently linked to this species in our confirmed records.