Scientific Name
Atherinella guatemalensis

Common Name
Guatemala silverside

Biology
Common in fresh and brackish waters, such as in rivers, estuaries, and coastal lagoons (Ref. 9273).

Classification

Classified By

G?nther, 1864

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Neotropical silversides (Atherinopsidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: Zacatula, Mexico to Salina de Acap?n, Guatemala.

Range

17°N - 14°N

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic-neritic

Environment

Marine; freshwater; brackish; pelagic-neritic

Trophic Level

2.73 s.e. 0.31 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

7.5 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

Unknown

Vulnerability

Low vulnerability (12 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)