Pomacanthus rhomboides, Old woman angelfish : fisheries, aquarium

Pomacanthus rhomboides (Gilchrist & Thompson, 1908)

Old woman angelfish
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Pomacanthus rhomboides   AquaMaps   Data sources: GBIF OBIS
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Image of Pomacanthus rhomboides (Old woman angelfish)
Pomacanthus rhomboides
Picture by Randall, J.E.

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

Teleostei (teleosts) > Acanthuriformes (Surgeonfishes) > Pomacanthidae (Angelfishes)
Etymology: Pomacanthus: Greek, poma, -atos = cover, operculum + Greek, akantha = thorn (Ref. 45335).
More on authors: Gilchrist & Thompson.

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

Marine; reef-associated. Subtropical; - 34°S

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

Western Indian Ocean: Delagoa Bay, Mozambique to Knysna, South Africa.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 46.0 cm TL male/unsexed; (Ref. 10629); max. published weight: 3.0 kg (Ref. 10629)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 11 - 13; Dorsal soft rays (total): 22 - 25; Anal spines: 3; Anal soft rays: 21 - 23.
Body shape (shape guide): short and / or deep.

Biology     Glossary (e.g. epibenthic)

Young occur singly and commonly found in tide pools. Adults are commonly seen in small groups in midwater or near the surface.

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

Main reference Upload your references | References | Coordinator | Collaborators

Randall, J.E., 1988. Pomacanthus rhomboides (Gilchrist and Thompson), the valid name for the South African angelfish previously known as Pomacanthus striatus. Spec. Publ. J.L.B. Smith Inst. Ichthyol. 46:7p. (Ref. 10629)

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

  Least Concern (LC) ; Date assessed: 08 October 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: commercial; aquarium: commercial
FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items (preys)
Diet composition
Food consumption
Food rations
Predators
Ecology
Ecology
Population dynamics
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Maturity/Gills rel.
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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 | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index
(Ref. 82804) 		PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.02818 (0.01153 - 0.06888), b=2.89 (2.70 - 3.08), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
0
Resilience
(Ref. 120179) 		Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).
Fishing Vulnerability
(Ref. 59153) 		High vulnerability (56 of 100). 🛈
Price category
(Ref. 80766) 		High.
Nutrients
(Ref. 124155) 		Calcium = 24 [11, 44] mg/100g; Iron = 0.491 [0.279, 0.847] mg/100g; Protein = 19.1 [17.9, 20.3] %; Omega3 = 0.14 [0.08, 0.24] g/100g; Selenium = 16.5 [7.7, 34.7] μg/100g; VitaminA = 35.6 [8.6, 140.4] μg/100g; Zinc = 0.796 [0.517, 1.202] mg/100g (wet weight);