Mylocheilus caurinus, the peamouth, peamouth chub, redmouth sucker or northwestern dace, is a species of freshwater ray-finned fish from the family Cyprinidae, the carps and minnows, that is found in western North America. It is the only species in its genus.

Common names: Northwestern dace, Redmouth sucker, Peamouth chub. © 2025 All rights reserved.

> Peamouth are found in lakes and rivers in areas of slow-moving waters. > Peamouth are common in areas with aquatic vegetation. Peamouth can tolerate saltwater. > They eat small aquatic and terrestrial insects and sometimes small fishes. > Little is known about their natural history. See Minnow Comparison Grid.

Mylocheilus caurinus, the peamouth, peamouth chub, redmouth sucker or northwestern dace, is a species of freshwater ray-finned fish from the family Cyprinidae, the carps and minnows, that is found in western North America. It is the only species in its genus.

The peamouth is a native minnow that is found in lakes and the slow waters of rivers west of the Continental Divide in Montana. Its common name probably refers to its small mouth. Specimens can get quite large, up to 14 inches.

2012年3月9日 · The peamouth, or peamouth chub, is a native minnow of the Pacific Northwest that reaches over a foot in length and a pound in weight. It has two diverging longitudinal stripes on its sides, and is otherwise a steel-gray color with silvery sides and a white belly.

Mylocheilus caurinus, the peamouth, peamouth chub, redmouth sucker or northwestern dace, is a species of freshwater ray-finned fish from the family Cyprinidae, the carps and minnows, that is found in western North America. It is the only species in its genus.

The Peamouth, an often-overlooked freshwater fish, is a captivating subject for enthusiasts of aquatic life. Its unassuming nature hides a world of intriguing behaviors and adaptability, making the Peamouth a worthy subject of exploration.

Inhabits lakes and slow-flowing areas of small to medium rivers. Common around vegetation (Ref. 86798). Forms schools. Can withstand brackish waters for a limited period (Ref. 1998). Newly hatched individuals school near the shore, moving into deeper water in the summer (Ref. 4569).

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