分類 / Names
俗名 | 同種異名 | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii
輻鰭魚綱 (條鰭魚) >
Siluriformes (Catfish) >
Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Chrysichthys: Greek, chrysos = golden + Greek, ichthys = fish (Ref. 45335). More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 居於水底的. 熱帶; 20°C - 25°C (Ref. 2059); 5°N - 3°N
Africa: endemic to the Pra basin in Ghana; other reports from West Africa unconfirmed (Ref. 7324, 57126). Identifications of C. walkeri in Lower Guinea appear to be misidentifications of mature male of C. auratus, or of C. aluuensis or
C. thysi (Ref. 81642).
非洲: 迦納到卡賓達，安哥拉。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 11.5 cm SL 雄魚/尚未辨別雌雄; (Ref. 57126)
簡短描述
型態特徵 | 形態測量圖
背棘 (總數): 2; 背的軟條 (總數): 6; 臀棘 0. Diagnosis: nasal barbell long, reaching to anterior margin of orbit; first branched dorsal-fin ray longest, but never filamentous; adipose fin long, its base longer than that of dorsal fin; 9 branched rays in pectoral fin; 12-13(15) gill rakers on lower limb of first gill arch (Ref. 57126).
出現於那裡是純粹的河的半鹹淡水域到上部淡水的。 主要吃孚游類， Povilla adusta 的蛹。 (參考文獻 6868)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 迦納到卡賓達，安哥拉。
Risch, L.M., 2003. Claroteidae. p. 60-96 In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douce et saumâtres de l'Afrique de l'Ouest, Tome 2. Coll. Faune et Flore tropicales 40. Musée Royal de l'Afrique Centrale, Tervuren, Belgique, Museum National d'Histoire Naturalle, Paris, France and Institut de Recherche pour le Développement, Paris, France. 815 p. (Ref. 57126)
IUCN 瀕危狀態 (Ref. 120744)
瀕危 (EN) (B1ab(iii)+2ab(iii)); Date assessed: 30 April 2006
CITES (Ref. 118484)
Not Evaluated
人類使用
漁業: ; 水族館: 商業性
更多資訊
俗名同種異名新陳代謝捕食者生態毒物學繁殖成熟度產卵場產卵群集孕卵數卵卵發育
參考文獻養殖養殖資訊品種遺傳學基因序列遺傳率疾病加工Mass conversion
合作者照片Stamps, Coins Misc.聲音神經毒速度泳型鰓區Otoliths腦重體重比眼睛色素
工具
特別的報告
下載 XML
網路資源
Estimates based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00484 - 0.01566), b=3.04 (2.88 - 3.20), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.40 se; Based on food items.
Generation time: 1.5 ( na - na) years. Estimated as median LN(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (K=0.72).
瀕危性 (Ref.
59153): Low vulnerability (20 of 100) .
