Common names from other countries
Elasmobranchii (hajar och rockor) (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
Ekologi
marina batypelagisk; havsvandrande (Ref. 51243); djupintervall 150 - 510 m (Ref. 6871). Deep-water; 42°S - 50°S
Eastern Indian Ocean: southern Australia. Southwest Pacific: New Zealand.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 111 cm TL hane/ej könsbestämd; (Ref. 26346)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 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 | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
Probably ovoviviparous (Ref. 6871), with at least 59 young (Ref. 26346). Distinct pairing with embrace (Ref. 205).
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)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
115969): 7.2 - 11.8, mean 9.2 (based on 20 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 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).
Trofisk nivå (Ref.
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec=59).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).