分類 / Names
俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Squaliformes (Bramble, sleeper and dogfish sharks) >
Dalatiidae (Sleeper sharks)
Etymology: Euprotomicrus: Greek, eu = good + Greek, protos = the first + Greek, mikros = small (Ref. 45335).
環境 / 氣候 / 範圍
生態學
; 海洋 深海區的; 深度上下限 0 - 1800 m (Ref. 31367). , preferred ?; 38°N - 54°S
Circumglobal: In subtropical to temperate waters. Southeast Atlantic: near Ascension Island, east of Fernando de Noronha Island, and west of Cape of Good Hope, South Africa. Indian Ocean: Madagascar to Western Australia. North Pacific: Midway Islands, Hawaiian Islands to off California, USA. South Pacific: between New Zealand, Phoenix Island and southern Chile.
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 22 - 23 cm
Max length : 30.5 cm TL 雄魚/尚未辨別雌雄; (Ref. 96339)
背棘 (總數): 0; 背的軟條 (總數): 0; 臀棘 0; 臀鰭軟條: 0. Small dogfish with a cigar-shaped body, a distinct dark collar marking around the gill region, a conical snout, large round eyes (Ref. 5578), fleshy lips, enlarged triangular lower teeth, equal-sized gill slits (Ref. 5578), very small dorsal fins, and a paddle-shaped caudal fin with nearly symmetrical upper and lower lobes (Ref. 6871). Black with white fin edges; belly luminous (Ref. 247).
Epi-, meso-, and perhaps bathypelagic at 1->400 m (Ref. 58302). Occurs at or near the surface at night, descending to below 400 m (possibly as deep as 1,800 m) during the day (Ref. 31367). Feeds on squid, bony fishes, and crustaceans (Ref. 5578). Ovoviviparous (Ref. 205), with 8 young per litter, size at birth between 6 and 10 cm (Ref. 247). Caught with dip-nets and buckets at night (Ref. 6577).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Ovoviviparous, with 8 young per litter. Size at birth between 6 and 10 cm (Ref. 247). Distinct pairing with embrace (Ref. 205).
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)
CITES (Ref. 94142)
Not Evaluated
人類使用
漁業: 沒有興趣
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參考文獻養殖養殖資訊品種遺傳學基因序列遺傳率疾病加工Mass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 1.0020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00139 - 0.00945), b=3.12 (2.89 - 3.35), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.1 ±0.4 se; Based on diet studies.
回復力 (Ref.
69278): 非常低的, 最小族群倍增時間超過14 年 (Fec=8).
瀕危性 (Ref.
59153): Low vulnerability (22 of 100) .