South African mullet (Liza richardsonii) fish species and information / pictures of South African mullet - Liza richardsonii

South African mullet (Liza richardsonii) fish species information

Scientific Name
Liza richardsonii

Common Name
South African mullet

Biology
Found in coastal waters, mainly off rocky points and sandy beaches; may enter estuaries which serve as nursery areas (Ref. 27121). Feed mainly on diatoms and detritus, but also on planktonic crustaceans (Ref. 27121). Oviparous, eggs are pelagic and non-adhesive (Ref. 205).

Classification

Classified By

Smith, 1846

Class

Ray-finned fishes (Actinopterygii)

Order

Mullets (Mugiliformes)

Family

Mullets (Mugilidae)

Distribution

Region

Southeast Atlantic

Distribution

Southeast Atlantic: South African coastal waters from Walfish Bay to Natal.

Range

16°S - 36°S

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

Marine; freshwater; brackish; demersal; catadromous (Ref. 46888)

Trophic Level

2.38 s.e. 0.16 Based on food items.

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

40.5 cm

Common Length

30.0 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

Fisheries: commercial

Vulnerability

Moderate vulnerability (39 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