South Africa country information

Common names: Scotsman, Skotsman
Occurrence: native
Salinity: marine
Abundance: occasional (usually not seen) | Ref: van der Elst, R.P. and F. Adkin (eds.), 1991
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Durban northwards; southward reaching Algoa Bay (Ref. 3507). Status of stock critical/severely depleted; once a major component of lineboat catch (Ref. 4332). Rarely caught by shore anglers. Also Ref. 12484.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/sf.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Smith, J.L.B. and M.M. Smith, 1986
National Database:

Common names from other countries

Denté du Natal, Dentón del Natal, Dentón listado, ... more

Classification / Names आम नाम | उपशब्द | Catalog of Fishes(वर्ग, प्रजाति) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Sparidae (Porgies)
Etymology: Polysteganus: Greek, polys = a lot of + Greek, stego, stege = covered (Ref. 45335).
More on author: Günther.

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

समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 20 - 100 m (Ref. 3198). Subtropical; 17°S - 28°S

वितरण देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri

Western Indian Ocean: known only from Beira, Mozambique to Algoa Bay, South Africa.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 90.0 cm TL पुल्लिंग / अलिंग; (Ref. 3198); common length : 35.0 cm TL पुल्लिंग / अलिंग; (Ref. 3507); अधिकतम प्रकाशित वज़न: 7.8 kg (Ref. 40637)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय रीढ़ (सम्पूर्ण) : 12; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 10; गुदा कांटा: 3; ऐनल सौफट रेज़: 8. Small eye, deep preorbital, steep forehead (Ref. 3198).

Occurs in deep offshore reefs ranging from 20 to 100 m. Feeds on large crabs, crayfish, a variety of reef fish and squid. Spawns in winter. Sold fresh (Ref. 3507).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

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)

वेदनीय, आई यु सी ऐन लाल सूची देखें। (VU) (A2bd); Date assessed: 02 December 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

मात्स्यिकी: व्यापारिक

FAO(Publication : search) | FishSource |

अधिक जानकारी

Trophic ecology
खाद्य पदार्थ
Diet compositions
Food consumptions
Food rations
परभक्षी

Ecology
पारिस्थितिकी
Home ranges

Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
Recruitments
Abundances

Life cycle
पुनरुत्पत्ति
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
लार्वा
लारवल गतिकी

Distribution
देश
ऐफ ऐ ओ क्षेत्र
Ecosystems
संयोग
भूमिका
BRUVS - Videos

Anatomy
Gill areas
दिमाग
Otoliths

Physiology
Body compositions
Nutrients
Oxygen consumptions
Swimming type
Swimming speeds
Visual pigment(s)
मत्स्य आवाज़े
Diseases / Parasites
Toxicities (LC50s)

Genetics
आनुवंशिकी
Electrophoreses
Heritabilities

Human related
Aquaculture systems
जलीयकृषि रूपरेखाऐ
खींच
Ciguatera cases
Stamps, coins, misc.

Outreach
सहयोगीयो

Taxonomy
आम नाम
उपशब्द
आकृति विज्ञान
मौरफोमैटरिक्स
तस्वीरे

References
संदर्भ

साधन

Special reports

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

Download XML

Summary page | Point data | आम नाम | Photos

इंटरनेट स्रोत

Estimates based on models

Preferred temperature (Ref. 115969): 23.5 - 26.3, mean 25.3 (based on 11 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01778 (0.00963 - 0.03285), b=3.03 (2.88 - 3.18), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trophic level (Ref. 69278): 4.5 ±0.80 se; based on food items.

लौटाव (Ref. 120179): बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): High vulnerability (56 of 100).

Price category (Ref. 80766): Very high.

Polysteganus praeorbitalis (Günther, 1859)