Pearl dace (Margariscus margarita) fish species and information / pictures of Pearl dace - Margariscus margarita

Pearl dace (Margariscus margarita) fish species information

Scientific Name
Margariscus margarita

Common Name
Pearl dace

Biology
Adults inhabit pools of creeks and small rivers, also ponds and lakes. They usually occur over sand or gravel. Feed on copepods, cladocerans, chironomids, beetles, filamentous algae, and Chara (Ref. 1998). Spawning occurs during the spring (Ref. 1998).

Classification

Classified By

Cope, 1867

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: Atlantic, Hudson Bay, Great Lakes, and Mississippi River basins in southern Canada and northern USA from Atlantic Coast to southern Northwest Territories, eastern British Columbia in Canada and Montana, USA; south to Virginia, Michigan, Wisconsin and Iowa, USA; in upper Missouri River basin.

Range

34°N - 30°N

Environment

Climate

Subtropical

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

3.05 s.e. 0.36 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

16.0 cm

Common Length

9.3 cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Bait: occasionally

Vulnerability

Moderate vulnerability (36 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tm=4)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated