Gabon country information

Common names: [No common name]
Occurrence: questionable
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: never/rarely | Ref:
Regulations: no regulations | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/gb.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Fermon, Y., N. Bailly, F. Cardiec, R. Causse, E. Chartrain, L. Chirio, G. De Bruyne, P. Deynat, C.D. Hopkins, A. Lamboj, M.I. Mennesson, J.-H. Mve Beh, D. Paugy, B. Sidlauskas, J.P. Sullivan, J.-P. Van de Weghe, T.R. Vigliotta and Van der Zee, 2022
National Database:

Common names from other countries

Roussette rubanée, Alitán listado, غرَّاء مُوَشَّحة, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Scyliorhinidae (Cat sharks) > Scyliorhininae
Etymology: Poroderma: poros (Gr.), hole or passage; derma (Gr.), skin or hide, allusion not explained nor evident (Smith proposed name without a description). (See ETYFish); africanum: -anum (L.), belonging to: Africa, described from South Africa. (See ETYFish).
More on author: Gmelin.

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

marien demersaal; diepte 0 - 100 m (Ref. 5510). Subtropical; 28°S - 36°S

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Southeast Atlantic: endemic to South Africa (Ref. 12484). There are old records from Madagascar and Mauritius, but these require confirmation (Ref. 244).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 68.5, range 65 - 72 cm
Max length : 101 cm TL mannelijk / geslacht onbekend; (Ref. 244); 93.0 cm TL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Anale stekels: 0. A large catshark with short nasal barbels and long horizontal black stripes (Ref. 5578).

Occurs in the continental shelf, both inshore and offshore (Ref. 5578). Prefers rocky reefs from the intertidal zone down to 100 m depth (Ref. 5578). Nocturnal, often found in caves and crevices during the day (Ref. 5578). Feeds mainly on crustaceans, but also bony fish and cephalopods (Ref. 244). Oviparous (Ref. 50449). Readily kept in captivity (Ref. 244).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Oviparous, with a single egg-case per oviduct (Ref. 244). Embryos feed solely on yolk (Ref. 50449). Size at hatching between 14 and 15 cm.

Hoofdreferentie Upload your references | Referenties | Coördinator : Compagno, Leonard J.V. | Medewerkers

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 01 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: visserij voor eigen gebruik; sportvis: ja

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 16.2 - 22, mean 19 (based on 20 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00282 (0.00157 - 0.00504), b=3.22 (3.06 - 3.38), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.6 ±0.5 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): High vulnerability (61 of 100).

Prijsklasse (Ref. 80766): Low.

Poroderma africanum (Gmelin, 1789)