Rhabdosargus holubi

Cape stumpnose
Rhabdosargus holubi
Rhabdosargus holubi, Storms River Mouth, Eastern Cape Province, South Africa, Photo: Graham Edgar
Rhabdosargus holubi
Rhabdosargus holubi, Storms River Mouth, Eastern Cape Province, South Africa, Photo: Graham Edgar
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Rhabdosargus holubi
Rhabdosargus holubi

Distribution

Temperate Africa


Description

High, silvery body with a yellow stripe along mid side onto tail base, visible lateral line, and in larger individuals a bump in front of eye creating a blunt head profile. Juveniles dependent on estuaries for nurseries.


Information

Max Size: 40 cm

Sea Temperature Range: 16.1-23.6°C

Depth: 1-50m

Habitat Generalization Index: N/A

Also referred to as the SGI (Species Generalisation Index), this describes the habitat niche breadth of the species. Species with values less than 15 are found in a relatively narrow range of reef habitat types (specialists), while those over 25 may be found on most hard substrates within their range (generalists). Learn more here.


Conservation and Rarity

IUCN Status: Not Evaluated

Occurrence: Widespread (100% of sites)

Occurrence describes how often the species is found on surveys within its distribution. It is calculated as the % of reef sites surveyed by RLS divers across all the ecoregions in which the species has been observed

Abundance: Few (2 per transect)

Abundance is calculated as the average number of individuals recorded per RLS transect, where present.


Edit by: Joe Shields