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Sand fish (Awaous tajasica) fish species and information / pictures of Sand fish - Awaous tajasica

Sand fish (Awaous tajasica) fish species information

Scientific Name
Awaous tajasica

Common Name
Sand fish

Biology
Found in lakes, ponds, rivers and streams. Occurs in brackish water in seasonally intermittent streams.

Classification

Classified By

Lichtenstein, 1822

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Gobies (Gobiidae)

Distribution

Region

South America

Distribution

South America: found only in Brazil from Piaui southward to Santa Catarina. Central America: questionable reports from Florida in USA and Antilles to Central America (Ref. 7251).

Range

- 5°S

Environment

Climate

Tropical

Water Temperature From

22 °C

Water Temperature To

30 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; brackish; ; pH range: 7.0 - ? ; dH range: 10 - 20 demersal; amphidromous (Ref. 46888)

Trophic Level

2.78 s.e. 0.31 Based on food items.

Occurs in Marine / Salt water

False

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

16.3 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

Moderate vulnerability (35 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated