Hemichromis guttatus : fisheries, aquarium

Hemichromis guttatus Günther, 1862

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Hemichromis guttatus
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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) > Perciformes (Perch-likes) 鱸形目 (Perch-likes) > Cichlidae (Cichlids) 慈鯛科魚類 (Cichlids) > Pseudocrenilabrinae
Etymology: Hemichromis: Greek, hemis = half + Greek, chromis = a fish, perhaps a perch (Ref. 45335);  guttatus: From the Latin "guttatus" = speckled, apparently referring to the pattern of black dots in the cheek and opercular region of the type material (Ref. 43352).  More on author: Günther.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水; 半鹹淡水 底中水層性.   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Africa: coastal rivers from Sierra Leone (Ref. 81260) to Cameroon, excepted Lower Volta basin (Ref. 5644). A forest associated species (Ref. 5644). Introduced around 1970 in a stream fed by hot springs in Villach (Austria) (Ref. 59043).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 12.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 5644)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 13 - 15; 背的軟條 (總數): 9-12; 臀棘 3; 臀鰭軟條: 7 - 9; 脊椎骨: 25. Diagnosis: mouth small, premaxilla moderately protractile (Ref. 43352). Snout short (Ref. 43352) and obtuse, scarcely longer than eye (Ref. 522). 2 middle teeth of upper jaw scarcely longer than others; scales on cheek in 3-4 series (Ref. 552). Pharyngeal bone roughly triangular, heavily dentigerous (Ref. 43352), with 22-24 teeth along posterior margin (Ref. 3032, 43352). Pharyngeal teeth bicuspid with clearly defined minor cusp (Ref. 3032, 43352). Median pharyngeal teeth non-molariform (Ref. 3032). Orbit narrow, caudal peduncle deep (Ref. 43352). Dorsal fin commences before root of pectoral (Ref. 552). Operculum with large black spot (Ref. 552), another black oval spot on side of body (Ref. 552, 3032, 43352, 81260), latter sometimes absent (Ref. 81260). Black spot on caudal peduncle normally present, small and ovoid (Ref. 81260). Sides of head with round black spots (Ref. 552). Irregular distributed pattern of blue spangling on head, body and unpaired fins (Ref. 43352, 81260). Never with multiple series of distinct blotches or bars on flanks (Ref. 81260).

生物學特性     字彙 (例如 epibenthic)

Eurytopic; found most frequently in association with stands of emergent or submerged aquatic plants; particularly abundant in shallower and quieter stretches of large rivers, in small lateral tributaries of such streams, in oxbow lakes and in swampy habitats; even maintains breeding populations in coastal lagoons; absent from rapids zone of streams or in headwaters flowing through montane forest (Ref. 43352). Forest-associated species (Ref. 43352, 52307). Pair-bonding, substrate brooders (Ref. 52307, 81260). Aquarium keeping: aggressive species, requires sufficient space to build territories; omnivore; spawns up to 300 eggs which hatch after 2 days, young are free-swimming after 5 days (Ref. 57572).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚

Reported to form pairs. Female deposits eggs on exposed hard surfaces such as stones or wood. Both parents guard larvae and juveniles for about 4 weeks (Ref. 59043).

主要參考資料 Upload your references | 參考文獻 | 合作者 : Kullander, Sven O. | 合作者

Daget, J. and G.G. Teugels, 1991. Hemichromis. p. 187-194. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa, CLOFFA, ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5644)

IUCN 瀕危狀態 (Ref. 120744)

  未評估 

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 





人類使用

漁業: ; 水族館: 商業性
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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00684 - 0.03200), b=2.98 (2.81 - 3.15), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
營養階層 (Ref. 69278):  3.3   ±0.5 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.).
瀕危性 (Ref. 59153):  Low vulnerability (16 of 100) .
價格種類 (Ref. 80766):   Unknown.