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Squaliformes (Sleeper and dogfish sharks) >
Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335).
Eponymy: Dr Leonard Joseph Victor Compagno (d: 1943) is an American ichthyologist, internationally recognized as authority on shark taxonomy. [...] (Ref. 128868), visit book page.
More on authors: Fricke & Koch.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển; Mức độ sâu 383 - 1300 m (Ref. 106604). Deep-water
Southeast Atlantic: off southwestern Cape Province and northern Natal in South Africa (Ref. 6577, 11228). Etmopterus compagnoi was formerly confused with Etmopterus gracilispinis Krefft 1968 which also occurs off the eastern Cape and northern Natal.
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?, range 55 - ? cm
Max length : 78.0 cm TL con đực/không giới tính; (Ref. 11228)
Short description
Khóa để định loại | Hình thái học | Sinh trắc học
Dark brown in color with no conspicuous flank margins (Ref. 6577).
Found in deep water. Males mature at 55 cm. Ovoviviparous (Ref. 205).
Life cycle and mating behavior
Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Các trứng | Sự sinh sản | Ấu trùng
Distinct pairing with embrace (Ref. 205).
Heemstra, P.C., 1995. Additions and corrections for the 1995 impression. p. v-xv. In M.M. Smith and P.C. Heemstra (eds.) Revised Edition of Smiths' Sea Fishes. Springer-Verlag, Berlin. (Ref. 11228)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
Các nghề cá: không ích lợi (thú vị)
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Estimates based on models
Preferred temperature (Ref.
123201): 5.2 - 10.9, mean 8.8 °C (based on 22 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00194 - 0.00745), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 4.3 ±0.3 se; based on diet studies.
Thích nghi nhanh (Ref.
120179): thấp, thời gian nhân đôi của chủng quần tối thiểu là 4.5 - 14 năm (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100).