分類 / 名稱
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Perciformes/Serranoidei (Groupers) >
Anthiadidae (Fairy basslets or Streamer basses)
Etymology: Pseudanthias: Greek, pseudes = false + Greek, anthias = a fish, Sparus aurata (Ref. 45335).
環境: 環境 / 氣候帶 / 深度上下限 / 配送範圍
生態學
海洋 礁區魚類; 深度上下限 ? - 83 m (Ref. 124780).
分布
領土 | FAO區域 | 生態系 | 發現紀錄 | 分布圖 | 簡介 | Faunafri
Southeast Pacific: Easter Island.
大小 / 重量 / 年齡
成熟度: Lm ?  range ? - ? cm
Max length : 4.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 124780); 3.3 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 10; 背的軟條 (總數) : 17; 臀棘: 3; 臀鰭軟條: 8; 脊椎骨: 26. This species is distinguished from its congeners by the following characters: D X,17; A III,8; pectoral rays 16 (left side of one specimen 17); vertebrae 10 +16; scales relatively large, two scales between lateral line and base of fifth dorsal spine; circumpeduncular scales 16 or 17; gill rakers 11 + 22-23; body very slender and compressed, with greatest body depth 3.4-3.8 in SL; caudal peduncle short, its length 2.6-3.3 in HL. Colouration: sexually dichromatic, with male coloration red dorsally, yellow laterally, silvery-pink on throat and belly while females pink, silvery-pink on operculum, throat and belly; both sexes dark red on top of head, along anterior two-thirds of dorsal fin base; both sexes with rows of irregularly-spaced metallic magenta spots laterally, and red dorsal and caudal fins with yellow highlights (Ref. 124780).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Specimens were collected by hand net at a depth of 83 m at a small, rocky patch reef surrounded by a large sandy area. Other species collected at this location include Plectranthias ahiahiata, Luzonichthys kiomeamea, and Chromis mamatapara. Due to geographical isolation and the high degree of endemism (21.7%) reported among the shore fishes of Rapa Nui, it is likely that this species is endemic to the island (Ref. 124780).
生命週期和交配行為
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Shepherd, B., H.T. Pinheiro, T.A.Y. Phelps, A. Pérez-Matus and L.A. Rocha, 2021. Pseudanthias hangapiko, a new anthiadinne serranid (Teleostei, Serranidae, Anthiadinae) from Rapa Nui (Easter Island). ZooKeys 1054:1-13. (Ref. 124780)
IUCN 瀕危狀態 (Ref. 130435: Version 2025-2 (Global))
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基於模型的估計
系統發育多樣性指數 (參考文獻 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01413 (0.00627 - 0.03183), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
營養階層 (參考文獻 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
回復力 (參考文獻 120179) |
高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.). |
釣魚的脆弱性 (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |