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) >
Myliobatiformes (Stingrays)
鰩目 (Stingrays) >
Urolophidae (Round rays)
平魟科 (Round rays)
Etymology: Urolophus: Greek, oura = tail + Greek, lophos = crest (Ref. 45335); neocaledoniensis: neocaledniensis because of its apparent abundant and widely distributed occurrence in the New Caledonian region (Ref. 51067).
More on authors: Séret & Last.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 深海底的; 深度上下限 229 - 428 m (Ref. 51067). 深水域; 17°S - 29°S, 157°E - 168°E
Western Central Pacific: New Caledonia (including the Chesterfield Islands) and the northern part of the Norfolk Ridge.
中西太平洋: 新加勒多尼亞 (包括赤斯特菲群島) 與諾福克脊的北部。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 30 - ? cm
Max length : 36.6 cm TL 雄魚/尚未辨別雌雄; (Ref. 51067)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 脊椎骨: 144 - 153. Subcircular disc, width less than 70% total length; medium head (ventral length exceeding 30% total length) and snout (length to eye less than about 16% total length); broad, cartilaginous interorbit exceeding 4% total length; internasal flap skirt-shaped, diverging slightly; no broad lobes on posterolateral border of nostrils; inner margin of spiracle oblique; lateral tail folds absent or rudimentary; no dorsal fin; apices of pelvic fins rounded; 7-10 oral papillae along a 'W' line on mouth floor; 95-102 pectoral fin radials; total vertebrae rarely exceeding 150; dorsal surface greyish brown (Ref. 51067).
接近圓形的體盤 , 寬度少於 70% 全長; 中等的頭部 (超過 30% 全長的腹面長度) 與吻;(長度到眼睛少於大約 16% 全長) 寬又軟骨的眼窩超過 4% 全長; 鼻間蓋裙子-形狀的, 些微地分開; 沒有在鼻孔的後側邊緣上的寬的葉; 噴水孔的內緣斜角; 側面的尾部摺層不存在或不發達的; 沒有背鰭; 腹鰭的頂點圓的; 7-10個口部的乳突在嘴底部上沿著一條 'W' 線; 95-102個胸鰭動脈; 總脊椎骨很少超過 150; 背面灰褐色的.(參考文獻 51067)
Inhabits the continental slope (Ref. 51067).
棲息於大陸斜坡。 (參考文獻 51067)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
中西太平洋: 新加勒多尼亞 (包括赤斯特菲群島) 與諾福克脊的北部。
Séret, B. and P. Last, 2003. Description of four new stingarees of the genus Urolophus (Batoidea: Urolophidae) from the Coral Sea, South-West Pacific. Cybium 27(4):307-320. (Ref. 51067)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
無危 (LC) ; Date assessed: 20 June 2017
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Estimates based on models
Preferred temperature (Ref.
123201): 15 - 18.6, mean 17.2 °C (based on 4 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00813 (0.00372 - 0.01775), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 低的, 最小族群倍增時間4.5 - 14 年 (Assuming fecundity<100).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
