Elasmobranchi (squali e razze) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Apristurus: a-, Latin privative, i.e., without; pristis, from pristes (Gr.), sawyer (but here meaning saw); oura (Gr.), tail, referring to absence of saw-toothed crest of enlarged dermal denticles along upper edge of caudal fin as found in the closely related Pristiurus (=Galeus) (See ETYFish); saldanha: Named for Saldanha Bay, South Africa, type locality (See ETYFish).
More on author: Barnard.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino batidemersale; distribuzione batimetrica 453 - 717 m (Ref. 5578). Deep-water; 31°S - 40°S
Southeast Atlantic: Cape Columbine to south of False Bay in South Africa (Ref. 5578).
Dimensione / Peso / Età
Maturità: Lm ?  range ? - ? cm
Max length : 88.0 cm TL maschio/sesso non determinato; (Ref. 5578)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Spine dorsali (totale) : 0; Spine anali: 0. A stout, plain catshark with moderately large eyes, a long, thick and broad snout, and long labial furrows; mouth not projecting in front of eyes; pectoral fins large (Ref. 5578). Uniformly dark grey-brown (Ref. 5578).
Body shape (shape guide): elongated.
Found on the continental slope (Ref. 244). Feeds on small bony fish and cephalopods (Ref. 5578). Oviparous (Ref. 50449).
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
Oviparous (Ref. 5578). Paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Pesca: di nessun interesse
Strumenti
Rapporti speciali
Scarica XML
Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00347 (0.00171 - 0.00701), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Livello trofico (Fonte Biblio. 69278) |
4.2 ±0.7 se; based on diet studies. |
Resilienza (Fonte Biblio. 120179) |
Molto basso, tempo minimo di raddoppiamento della popolazione più di 14 anni (Fec assumed to be <10). |
Vulnerabilità della pesca (Ref. 59153) |
Moderate vulnerability (42 of 100). 🛈 |