分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii
板鰓亞綱 (鯊魚與魟魚) (sharks and rays) >
Carcharhiniformes (Ground sharks)
真鯊目 (Ground sharks) >
Pseudotriakidae (False catsharks)
擬貓鮫科 (False catsharks)
Etymology: Pseudotriakis: pseudo-, from pseudes (Gr.), false, i.e., although this genus may superficially resemble Triakis (Triakidae), such an appearance is false. (See ETYFish); microdon: micro-, from mikros (Gr.), small; odon (Gr.), tooth, referring to numerous small teeth (>200 rows in each jaw). (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 173 - 1890 m (Ref. 58302). 深水域; 64°N - 48°S, 98°W - 153°W
Western Atlantic: New York and New Jersey, USA. Reported from Cuba (Ref. 26340); including Brazil (Ref. 53443). Northeast Atlantic: Atlantic slope off Iceland, France, Portugal, Madeira, Azores, Senegal, and Cape Verde. Indian Ocean: Aldabra Island group and Western Australia (Ref. 13565). Pacific Ocean: Japan, Taiwan, New Zealand, and Hawaii (Ref. 13565).
西大西洋: 紐約與美國的紐澤西。 記錄來自古巴了;(參考文獻 26340) 包括巴西。 (參考文獻 53443) 東北大西洋: 大西洋斜坡外海的冰島，法國，葡萄牙，馬得拉群島，亞速群島，塞內加爾與維德角。 印度洋: 亞達伯拉島群與西澳大利亞.(參考文獻 13565) 太平洋: 日本，台灣，紐西蘭與夏威夷.(參考文獻 13565)
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 253.5, range 210 - 295 cm
Max length : 269 cm TL 雄魚/尚未辨別雌雄; (Ref. 244); 295.0 cm TL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 臀棘: 0. Lower lobe of caudal fin hardly developed, its upper edge not rippled and a subterminal notch present (Ref. 13565). Uniformly dark brownish-grey, darker on posterior edges of pelvic, dorsal, anal and caudal fins (Ref. 13565).
尾鰭下葉剛剛發展, 它的上緣不使與起漣漪一個接近端位的凹槽呈現.(參考文獻 13565) 全深褐灰色, 比較深色的在腹鰭，背鰭、臀鰭與尾鰭的後緣上.(參考文獻 13565)
Found on the continental and insular slopes, occasionally wandering onto continental shelves (Ref. 13565). Inactive and sluggish (Ref. 13565). Probably eats bony fishes, elasmobranchs and invertebrates (Ref. 244). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother, uterine milk is consumed additionally (Ref. 50449). Pups number 2 to 4 in a litter (Ref. 244), size at birth between 70 (Ref. 244) and 140 cm TL (Ref. 13565). Caught very rarely by deepwater demersal longline fisheries in some areas. Utilized for its fins (limited value), meat and cartilage (Ref.58048).
棲息於大陸斜坡與島嶼斜坡., 偶然徘徊在大陸棚之上.(參考文獻 13565) Engybenthic.(參考文獻 58302) 不活躍而緩動性的.(參考文獻 13565) 可能吃硬骨魚類，板鰓類與無脊椎動物。 (參考文獻 244) 卵胎生的, 胚胎吃卵黃囊與其他的卵產生於母親., 子宮分泌的乳汁附加地被消費.(參考文獻 50449) 2 到 4 號幼胎一胎 (參考文獻 244), 在 70(參考文獻 244) 和 140 之間出生時大小公分TL.(參考文獻 13565) 沒有漁業利用的記錄.(參考文獻 13565)
Exhibit ovoviparity (aplacental viviparity), embryos feed on yolk and ova, also consume uterine milk (Ref. 50449) with 2-4 young in a litter (Ref. 13565; Ref.58048). Size at birth between 70 and 85 cm (Ref. 26346 reports it at about 140 cm TL). Distinct pairing with embrace (Ref. 205).西大西洋: 紐約與美國的紐澤西。 記錄來自古巴了;(參考文獻 26340) 包括巴西。 (參考文獻 53443) 東北大西洋: 大西洋斜坡外海的冰島，法國，葡萄牙，馬得拉群島，亞速群島，塞內加爾與維德角。 印度洋: 亞達伯拉島群與西澳大利亞.(參考文獻 13565) 太平洋: 日本，台灣，紐西蘭與夏威夷.(參考文獻 13565)
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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
人類使用
漁業: 自給性漁業
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Estimates based on models
Preferred temperature (Ref.
123201): 4.8 - 12.7, mean 8.2 °C (based on 793 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00047 (0.00023 - 0.00095), b=3.29 (3.10 - 3.48), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
營養階層 (Ref.
69278): 4.3 ±0.5 se; based on diet studies.
回復力 (Ref.
120179): 非常低的, 最小族群倍增時間超過14 年 (K=0.17; Fec=2).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
