Brassy minnow (Hybognathus hankinsoni) fish species and information / pictures of Brassy minnow - Hybognathus hankinsoni

Brassy minnow (Hybognathus hankinsoni) fish species information

Scientific Name
Hybognathus hankinsoni

Common Name
Brassy minnow

Biology
Adults occur in cool pools of sluggish, clear creeks and small rivers, usually over sand or gravel; more abundant in cool acid waters of silt-bottomed bog ponds (Ref. 1998). Probably feed on phytoplankton and other algae, zooplankton, and aquatic insects (Ref. 1998). Oviparous, open substratum spawners (Ref. 205, 52559). Probably spawn in May or June over silty bottoms of calm waters (Ref. 1998). Predators may include brook trout, kingfishers, and mergansers (Ref. 1998).

Classification

Classified By

Hubbs, 1929

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: upper St. Lawrence River and Lake Champlain drainages in Quebec, Canada and New York, USA; across Great Lakes, Hudson Bay and Missouri-upper Mississippi River basins of southern Canada and northern USA south to Kansas; Peace River (Ref. 1998) and Fraser River system (Pacific Slope) in Alberta and British Columbia, Canada.

Range

58°N - 37°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal

Trophic Level

3.09 s.e. 0.40 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

9.7 cm

Common Length

7.6 cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Bait: usually

Vulnerability

Low to moderate vulnerability (28 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tm=1-2)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated