分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Ovalentaria/misc (Various families in series Ovalentaria)
鱸形目 (Various families in series Ovalentaria) >
Pomacentridae (Damselfishes)
雀鯛科 (Damselfishes) > Chrominae
Etymology: Chromis: Greek, chromis = a fish, perhaps a perch (Ref. 45335).
Eponymy: Dr John ‘Jack’ Ernest Randall Jr. [...] (Ref. 128868), visit book page.
More on authors: Greenfield & Hensley.
Environment: milieu / climate zone / 深度上下限 / distribution range
生態學
海洋 礁區魚類; 非遷移的; 深度上下限 5 - 30 m (Ref. 7247). 亞熱帶的; 26°S - 27°S
Southeast Pacific: endemic to Easter Island.
東南太平洋: 復活島。
大小 / 重量 / 年齡
成熟度: Lm ? range ? - ? cm
Max length : 15.0 cm NG 雄魚/尚未辨別雌雄; (Ref. 89467)
背棘 (總數) : 15; 背的軟條 (總數) : 10; 臀棘: 2; 臀鰭軟條: 10 - 11.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Adults occur in inshore and offshore rocky reefs in 5 to 30 meters in small to large aggregations (Ref. 7247). Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).
出現於在 5 到 30 公尺中的岸邊與外海的岩礁形成小群到大群魚群。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Oviparous, distinct pairing during breeding (Ref. 205). Eggs are demersal and adhere to the substrate (Ref. 205). Males guard and aerate the eggs (Ref. 205).東南太平洋: 復活島。
Allen, G.R., 1991. Damselfishes of the world. Mergus Publishers, Melle, Germany. 271 p. (Ref. 7247)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
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Estimates based on models
Phylogenetic diversity index (參考文獻
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00571 - 0.02773), b=3.03 (2.84 - 3.22), 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): 3.0 ±0.1 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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Nutrients (Ref.
124155): Calcium = 60.3 [26.7, 115.3] mg/100g; Iron = 0.85 [0.49, 1.42] mg/100g; Protein = 19.4 [18.3, 20.4] %; Omega3 = 0.224 [0.126, 0.388] g/100g; Selenium = 10.8 [5.4, 22.6] μg/100g; VitaminA = 111 [37, 329] μg/100g; Zinc = 1.08 [0.69, 1.62] mg/100g (wet weight);
![Image of Chromis randalli (Randall\](/images/thumbnails/jpg/tn_Chran_u0.jpg "Image of Chromis randalli (Randall\")
