Common names from other countries
Lớp phụ Cá sụn (cá mập và cá đuối) (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
Sinh thái học
Biển Tầng nổi biển sâu; Ở đại duơng, biển (Ref. 51243); Mức độ sâu 150 - 510 m (Ref. 6871). Deep-water; 42°S - 50°S
Eastern Indian Ocean: southern Australia. Southwest Pacific: New Zealand.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 111 cm TL con đực/không giới tính; (Ref. 26346)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Các tia vây lưng cứng (tổng cộng) : 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 | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
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
Các công cụ
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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).
Mức dinh dưỡng (Ref.
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Fec=59).
Fishing Vulnerability (Ref.
59153): High to very high vulnerability (67 of 100).