Holohalaelurus punctatus, African spotted catshark

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Related species
- Species in
  Holohalaelurus
- Species in
  Pentanchidae
- - Classification -
- Pentanchidae
- Carcharhiniformes
- Elasmobranchii
- Chordata
- Animalia

Holohalaelurus punctatus (Gilchrist, 1914)

African spotted catshark

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Native range | All suitable habitat | Point map | Year 2050

This map was computer-generated and has not yet been reviewed.

Holohalaelurus punctatus AquaMaps Data sources: GBIF OBIS

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Image of Holohalaelurus punctatus (African spotted catshark)

Holohalaelurus punctatus
Picture by FAO

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (sharks and rays) > Carcharhiniformes (Ground sharks) > Pentanchidae (Deepwater catsharks)
Etymology: Holohalaelurus: holos (Gr.), whole or entire, i.e., being a form of Halaeurus without any labial folds or grooves in the mouth (See ETYFish); punctatus: Latin for spotted, referring to dense covering of small brown spots on dorsal surface (See ETYFish).

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

Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 220 - 440 m (Ref. 5510). Deep-water; 4°S - 37°S

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Western Indian Ocean: endemic to the subtropical and tropical waters of southwestern Indian Ocean, southern Mozambique, off Natal, South Africa and off Madagascar (Ref. 75585). Status of threat: a common catch in bottom trawls in Natal and southern Mozambique, yet, despite recent biodiversity trawl surveys in that region, not a single specimen has been collected from this area since 1972. ORI data sheets confirm that specimens collected between 1964 and 1972 were apparently abundant, particularly off Mozambique in May 1969, and off Durban in June 1971. The only specimens of this species that have been collected since this date have been those from Madagascar in the late 1980’s and early 1990’s (Ref. 75585).

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: L_m 31.2, range 30 - 32.6 cm
Max length : 35.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5510); 26.0 cm TL (female)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 0; Εδρικές άκανθες: 0. A broad-headed, dwarf catshark with small dark brown spots closely set on a yellow-brown or orange-brown background; small black pores on underside of head and body; no labial furrows (Ref. 5578).

Found on the uppermost continental slopes (Ref. 244). Feeds on small fishes, crustaceans, and cephalopods (Ref. 5213). The adult males are larger than females, a characteristic unusual among sharks (Ref. 244). Manifests partial sexual segregation. Oviparous (Ref. 50449).

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Oviparous, with one egg-case laid per oviduct at a time. Embryos feed solely on yolk (Ref. 50449). Partial sexual segregation is manifested by greater number of males than females off Natal but not off southern Mozambique.

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

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)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Endangered (EN) (A2d); Date assessed: 01 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

αλιεία: χωρίς ενδιαφέρον

FAO - Publication: search | FishSource |

Περισσότερες πληροφορίες

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Ecology
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Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
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Life cycle
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Γονιμότητα
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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 123201): 13.1 - 15.8, mean 15.3 °C (based on 13 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00355 (0.00175 - 0.00721), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Τροφικό Επίπεδο (Ref. 69278): 4.2 ±0.61 se; based on food items.

Ελαστικότητα (Ref. 120179): Χαμηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού 4,5 - 14 έτη (Fec assumed to be <100).

Fishing Vulnerability (Ref. 59153): Low vulnerability (25 of 100).

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