Rhabdosargus holubi, Cape stumpnose : fisheries, gamefish, bait

Rhabdosargus holubi (Steindachner, 1881)

Cape stumpnose
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Rhabdosargus holubi   AquaMaps   Data sources: GBIF OBIS
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Image of Rhabdosargus holubi (Cape stumpnose)
Rhabdosargus holubi
Picture by King, D.R.

Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Eupercaria/misc (Various families in series Eupercaria) > Sparidae (Porgies)
Etymology: Rhabdosargus: Greek, rhabdos = stick + Latin, sargus = sargus (1591) (Ref. 45335).
Eponymy: Dr Emil Holub (1847–1902) was a Bohemian (Czech) naturalist who also studied South African fossils. [...] (Ref. 128868), visit book page.
More on author: Steindachner.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; brackish; demersal; oceanodromous (Ref. 51243). Subtropical

Distribution Territories | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Southeast Atlantic: South Africa, from the Cape to Natal.

Length at first maturity / Size / Weight / Age

Maturity: Lm 19.0  range ? - ? cm
Max length : 40.0 cm TL male/unsexed; (Ref. 3507); common length : 15.0 cm TL male/unsexed; (Ref. 3198)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11; Dorsal soft rays (total): 12 - 13; Anal spines: 3; Anal soft rays: 10 - 11. Silvery with golden midlateral band from head to caudal peduncle (Ref. 3198).
Body shape (shape guide): fusiform / normal.

Biology     Glossary (e.g. epibenthic)

Inhabits estuaries and shallow waters over sand and between rocks. Feeds mainly on small bivalves, shrimps and crabs (Ref. 3670). Flesh excellent (Ref. 3198).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Smith, J.L.B. and M.M. Smith, 1986. Sparidae. p. 580-594. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3198)

IUCN Red List Status (Ref. 130435: Version 2025-2)

  Least Concern (LC) ; Date assessed: 03 December 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: minor commercial; gamefish: yes; bait: usually
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
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Predators
Ecology
Ecology
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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References

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Summary page | Point data | Common names | Photos

Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 17.5 - 27.6, mean 25.6 °C (based on 237 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01738 (0.01072 - 0.02817), b=3.06 (2.92 - 3.20), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic level (Ref. 69278):  2.8   ±0.2 se; based on diet studies.
Resilience (Ref. 120179):  Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (30 of 100). 🛈
Price category (Ref. 80766):   Very high.
Nutrients (Ref. 124155):  Calcium = 91.6 [48.0, 177.6] mg/100g; Iron = 1.13 [0.65, 2.08] mg/100g; Protein = 19.5 [18.6, 20.5] %; Omega3 = 0.379 [0.257, 0.596] g/100g; Selenium = 23.5 [11.8, 42.1] μg/100g; VitaminA = 11.6 [3.9, 29.5] μg/100g; Zinc = 1.07 [0.75, 1.50] mg/100g (wet weight);