South Africa country information

Common names: Cape gurnard, Kaapse knorhaan
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref: van der Elst, R., 1993
Aquaculture: | Ref:
Regulations: no regulations | Ref: van der Elst, R., 1993
Uses: no uses
Comments: One of the most important species trawled off the eastern Cape coast (Ref. 12484). Not regarded as a game fish, but an angling record of 3.2 kg exists (Ref. 12484). In range Ref. 4316.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Torres, F.S.B. Jr., 1991
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Scorpaeniformes (Scorpionfishes and flatheads) > Triglidae (Searobins) > Triglinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Grondin du Cap, Rubio del Cabo, Gurnard, ... more

Main reference

Richards, W.J. and V.P. Saksena. 1990. (Ref. 3687)
References | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 75.0 cm TL male/unsexed; (Ref. 3699); common length : 35.0 cm TL male/unsexed; (Ref. 3699); max. reported age: 16 years (Ref. 26321)

Length at first maturity
L_m 32.8, range 27 - 35 cm

Environment

Marine; demersal; depth range 10 - 390 m (Ref. 4316)

Climate / Range

Subtropical, preferred 21°C (Ref. 107945); 18°S - 36°S, 12°E - 36°E

Distribution

Southeast Atlantic and Western Indian Ocean: Cape Fria, Namibia to Maputo, Mozambique. The record of a specimen from Reunion (MHNRUN 36) is probably erroneous (Ref. 33390).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 15-17; Anal spines: 0; Anal soft rays: 14 - 16

Found over sandy and muddy bottoms in coastal areas. Feeds on fishes (Ref. 4316) and crustaceans (Ref. 5213). Excellent food fish (Ref. 4316).

IUCN Red List Status (Ref. 115185)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: commercial

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance

References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion

Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Common names | Photos

Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD₅₀ = 0.5010 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.1 ±0.3 se; Based on diet studies.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (K=0.14; tm=2-5; tmax=12)

Vulnerability (Ref. 59153)
High to very high vulnerability (65 of 100)

Price category (Ref. 80766)
Low

Chelidonichthys capensis (Cuvier, 1829)