St. Helena white seabream (Diplodus sargus helenae) fish species and information / pictures of St. Helena white seabream - Diplodus sargus helenae

St. Helena white seabream (Diplodus sargus helenae) fish species information

Scientific Name
Diplodus sargus helenae

Common Name
St. Helena white seabream

Biology
Inhabits rocky bottoms of the continental shelf. Forms small schools. Is a minor constituent of the local fishery and is considered a fair table fish locally (Ref. 5288).

Classification

Classified By

Sauvage, 1879

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Porgies (Sparidae)

Distribution

Region

Southeast Atlantic

Distribution

Southeast Atlantic: endemic to Saint Helena.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Marine; benthopelagic, usually 5 - 15 m (Ref. 5288)

Trophic Level

3.04 s.e. 0.30 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

31.0 cm

Common Length

20.0 cm

Phylogenetic Diversity Index

PD50 = No PD50 data many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (40 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