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Knysna sandgoby (Psammogobius knysnaensis) fish species and information / pictures of Knysna sandgoby - Psammogobius knysnaensis

Knysna sandgoby (Psammogobius knysnaensis) fish species information

Scientific Name
Psammogobius knysnaensis

Common Name
Knysna sandgoby

Biology
An estuary sand dweller occurring in tidal parts of rivers (Ref. 4343).

Classification

Classified By

Smith, 1935

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Gobies (Gobiidae)

Distribution

Region

Southeast Atlantic and Western Indian Ocean

Distribution

Southeast Atlantic and Western Indian Ocean: South Africa.

Range

Unknown

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

Brackish; demersal

Trophic Level

3.26 s.e. 0.49 Based on diet studies.

Occurs in Marine / Salt water

False

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

7.0 cm

Common Length

Unknown 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

Unknown

Vulnerability

Low vulnerability (16 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated