New Zealand country information

Common names: Whitetail dogfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Voucher specimen(s) held at the NMNZ (Ref. 5755). Also Ref. 6871, 75154.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/nz.html
National Fisheries Authority: http://www.fish.govt.nz/
Occurrences: Occurrences Point map
Main Ref: Cox, G. and M. Francis, 1997
National Database:

Common names from other countries

Valgesaba-hämarhai, Witstaartijshaai, ... more

Classification / Names Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchi (squali e razze) (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Scymnodalatias: scymno-, referring to previous placement in Scymnodon; dalatias, referring to lack of dorsal spines like most sharks in the family Dalatiidae (sometimes included within Somniosidae). (See ETYFish); albicauda: albus (L.), white; cauda (L.), tail, referring to white markings on caudal fin. (See ETYFish).

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

marino batipelagico; oceanodromo (Ref. 51243); distribuzione batimetrica 150 - 510 m (Ref. 6871). Deep-water; 42°S - 50°S

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

Eastern Indian Ocean: southern Australia. Southwest Pacific: New Zealand.

Size / Peso / Age

Maturity: L_m ? range ? - ? cm
Max length : 111 cm TL maschio/sesso non determinato; (Ref. 26346)

Short description Chiavi di identificazione | Morfologia | Morfometria

Spine dorsali (totale) : 0. Grey and white, mottled with large brown or black spots; tail mostly white with black tips (Ref. 26346). Dorsal fins small, pectoral fins angular, and an asymmetric caudal fin with a dark-tipped upper lobe (Ref. 6871).

Oceanic (Ref. 6871). A rare species known only from a few specimens taken by tuna longliners and trawlers (Ref. 6871). Ovoviviparous (Ref. 205), with at least 59 young in a litter (Ref. 26346).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Probably ovoviviparous (Ref. 6871), with at least 59 young (Ref. 26346). Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)

IUCN Red List Status (Ref. 130435)

Data deficient (DD) ; Date assessed: 24 June 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

Informazioni ulteriori

Trophic ecology
Prede
Diet compositions
Food consumptions
Food rations
Predatori

Ecology
Ecologia
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Population dynamics
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Max. ages / sizes
Length-weight rel.
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Life cycle
Riproduzione
Maturities
Fecundities
Spawnings
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Egg(s)
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Dinamica popolazioni larvali

Distribution
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Anatomy
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Physiology
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Genetics
Genetica
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Human related
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Profili di acquacoltura
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Ciguatera cases
Stamps, coins, misc.

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Taxonomy
Nomi Comuni
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References
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Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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Summary page | Point data | Nomi Comuni | Photos

Fonti Internet

Estimates based on models

Preferred temperature (Ref. 115969): 7.2 - 11.8, mean 9.2 (based on 20 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00168 - 0.00901), b=3.13 (2.94 - 3.32), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.5 se; based on size and trophs of closest relatives

Resilienza (Ref. 120179): Basso, tempo minimo di raddoppiamento della popolazione 4.5 - 14 anni (Fec=59).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (67 of 100).

Scymnodalatias albicauda Taniuchi & Garrick, 1986