Scientific Name
Brycon guatemalensis

Common Name
Machaca

Biology
Found in lakes, rivers and streams between 0 and 600 m elevation. The young feed on terrestrial and aquatic insects, leaves, fruits and seeds but become mainly herbivorous when adult. Eggs are deposited in nests located in sand bottoms of streams.

Classification

Classified By

Regan, 1908

Class

Ray-finned fishes (Actinopterygii)

Order

Characins (Characiformes)

Family

Characins (Characidae)

Distribution

Region

Central America

Distribution

Central America: Atlantic slope from Grijalva River, Mexico to eastern Panama; in the Pacific slope, only in Choluteca River basin of Honduras.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

21 °C

Water Temperature To

34 °C

Depth From - meters

0 m

Depth To - meters

600 m

Zone

benthopelagic

Environment

Freshwater; benthopelagic; depth range 0 - 600 m

Trophic Level

2.32 s.e. 0.27 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

59.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Gamefish: yes

Vulnerability

Low to moderate vulnerability (34 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.35)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated