分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Tetraodontiformes (Puffers and filefishes)
魨形目 (Puffers and filefishes) >
Monacanthidae (Filefishes)
單棘魨科 (Filefishes)
Etymology: Pervagor: Latin, pervagor = nomadic, itinerant.
Eponymy: Dr John ‘Jack’ Ernest Randall Jr. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類. 熱帶; 30°N - 10°N
Western Indian Ocean: known only from the Red Sea and the Gulf of Aden.
西印度洋: 已知只來自紅海與亞丁灣了。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 6.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 527)
背棘 (總數) : 1; 背的軟條 (總數) : 29 - 31; 臀棘: 0; 臀鰭軟條: 27 - 28; 脊椎骨: 19. Head and body brown; relatively large, black branchial blotch from mid-gill slit to rear border of eye; dusky blotch around eye continued onto forehead and around spinous dorsal base; dark brown iris; pale dusky brown lips. Large pelvic fin rudiment, narrowly attached to posterior margin of ventral flap. Midbody scales with 1-7 spinules, not closely packed; elongate spinules on posterior half of body. Scale spinules on posterior half of body of male very prominent, scale ridge rugosities developing at about 55-65 mm SL.
頭部與身體褐色; 相當大的, 黑色的鰓斑塊從在-之中到眼的後面邊緣的鰓縫; 暗色的斑塊眼的周圍在前額之上與刺狀的背鰭基底的周圍繼續; 深褐色的虹膜; 灰白的暗褐色的唇。 大的腹鰭原基, 狹窄地依附於腹翼的後緣了。 身體中央鱗片有 1-7個小刺, 不擠在一起; 在身體的後半段上的細長的小刺。 在雄魚的身體的後半段上的鱗片小刺非常突出的, 鱗片脊滿是縐紋於大約 55-65 mm SL 發展。
Occurs in shallow coral reefs to depths of 10 m or more.
出現於水淺的珊瑚礁到深度 10個公尺或更多。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西印度洋: 已知只來自紅海與亞丁灣了。
Hutchins, J.B., 1986. Review of the monacanthid fish genus Pervagor, with descriptions of two new species. Indo-Pac. Fish. (12):35 p. (Ref. 527)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
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Estimates based on models
Preferred temperature (Ref.
123201): 25.5 - 29.4, mean 27.9 °C (based on 120 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01995 (0.00956 - 0.04164), b=2.93 (2.76 - 3.10), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.9 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
