分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Lampriformes (Velifers, tube-eyes and ribbonfishes)
月魚目 (Velifers, tube-eyes and ribbonfishes) >
Radiicephalidae (Tapertails)
細尾粗鰭魚科 (Tapertails)
Etymology: Radiicephalus: Latin, radius + Greek, kephale = head (Ref. 45335); kessinger: Name from Latin 'kessinger' for 'scarecrow', referring to the tattered, ribbon-like body.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 深度上下限 ? - 100 m (Ref. 123098).
Northwest Pacific: Taiwan.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 61.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 123098)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
臀鰭軟條: 6. This species can be distinguished from R. elongatus by the following: A 6 (vs. 7); pectoral-fn rays 11 (vs. 10); pelvic-fn rays 5 (vs. 9-10); upper caudal-fn rays 5 (vs. 4); caudal vertebrae 88 (vs. 77-80); end of dorsal-fn base anterior to middle of anal and caudal fns (vs. posterior), the distance between end of dorsal-fn base and caudal-fn base 20.7% SL and 144.7% HL (vs. 14.0-15.5% SL and 94.5-102.7% HL); anal-fn rays short [the frst ray very short, 0.7% HL (vs. 1.8-2.1% HL)]; lateral line through middle of body at pectoral-fn base, its height 50.3% (vs. higher than middle, 54.3-58.6%); lower jaw completely covered by upper jaw (vs. not covered by upper jaw); anterior tip of upper jaw projecting anteriorly beyond lower jaw when mouth open (vs. not projecting); mandible with a single irregular row (vs. 2 irregular rows), teeth larger and sharper than premaxillary teeth (vs. similar to premaxillary teeth) (Ref. 123098).
Th e holotype was collected shallower than 100 m depth by a mid-water trawl targeting the Sakura-shrimp Lucensosergia lucens (Ref. 123098).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Koeda, K. and H.-C. Ho, 2019. A new tapertail species (family Radiicephalidae; Lampridiformes) from Taiwan, the first confirmed western Pacific Ocean record of the family. Ichthyol. Res. 66:207-214. (Ref. 123098)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.9 ±0.6 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (50 of 100).
