Australia country information

Common names: Lord Plunket's shark, Plunkets dogfish, Plunket's dogfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: of no interest | Ref: Last, P.R. and J.D. Stevens, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Recorded from Port Macquarie (New South Wales) to Portland (Victoria), including Tasmania and nearby seamounts. Reports from Western Australia need validation. Not utilized in the country. Also Ref. 247, 26346.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: http://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Common names from other countries

Plunket shark, قرش أُسترالي, 澳大利亚荆鲨, ... more

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

Ελασμοβράγχιοι (καρχαρίες και σαλάχια) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Scymnodon: scymnus, an ancient name for some kind of shark, derived from a Greek word meaning young animal, cub or whelp; odon (Gr.), tooth, referring to large, triangular cutting teeth on lower jaw of S. ringens. (See ETYFish); macracanthus: macro-, from makros (Gr.), long or large; acanthus (L.), from akantha (Gr.), thorn, referring to stout, prominent dorsal-fin spines. (See ETYFish).
More on author: Regan.

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

Θαλασσινό(ά) βαθύβιο(ς); εύρος βάθους 219 - 1550 m (Ref. 6871), usually 550 - 732 m (Ref. 247). Deep-water; 50°S - 54°S

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

Indo-Pacific: southern distribution, discontinuous across Pacific and Indian Oceans.

Length at first maturity / Μέγεθος / Βάρος / Age

Maturity: L_m 149.5, range 129 - 170 cm
Max length : 131 cm TL αρσενικό/απροσδιόριστο; (Ref. 247); 170.0 cm TL (female)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 2; Εδρικές άκανθες: 0. Dark brown or blackish in color, dorsal fins with fairly prominent fin spines, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that tapers abruptly from pectoral region, and moderately large tricuspidate and tricarinate lateral trunk denticles (Ref. 247).

A rare species inhabiting lower continental slopes (Ref. 26346), also on insular slopes in large schools near the bottom which are segregated according to size and sex, and feeds on cephalopods and bony fishes (Ref. 247). Up to 36 young in a litter, ths size at birth between 32 and 36 cm (Ref. 247). Used for fishmeal and liver oil (Ref. 6871). Minimum depth from Ref. 247. Ovoviviparous (Ref. 205).

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Ovoviviparous (Ref. 26346). Distinct pairing with embrace (Ref. 205).

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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 04 July 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

αλιεία: χωρίς ενδιαφέρον

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Διαδικτυακές πηγές

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00372 (0.00221 - 0.00624), b=3.12 (2.98 - 3.26), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Τροφικό Επίπεδο (Ref. 69278): 4.5 ±0.59 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): Very high vulnerability (90 of 100).

Scymnodon macracanthus (Regan, 1906)