Haplochromis nigricans (Boulenger, 1906)

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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: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335).  More on author: Boulenger.

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

; 淡水 底中水層性; pH range: 8.0 - 8.0; dH range: 9 - 19.   熱帶; 24°C - 26°C (Ref. 2060); 3°N - 3°S

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Africa: Lake Victoria and Victoria Nile.
非洲: 維多利亞湖與維多利亞尼羅河。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 9.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 4983)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 15 - 16; 背的軟條 (總數): 10-9; 臀棘 3; 臀鰭軟條: 9; 脊椎骨: 29. Moderately convex dorsal head profile, short snout, terminal mouth and broad bands of contiguously set teeth. Distinguished from males of all species of Neochromis by having enlarged cephalic pores, and large scales on the lateral chest surface, gradually changing to small ones only at the level of the ventral fin insertions. Differs further from N. simotes by having a deeper body (38.4% SL vs. 34.0-35.7), a shorter (26.9% HL vs. 30.8-32.5) and narrower (31.7% HL vs. 35.4-37.7) snout, smaller preorbital depth (14.9% HL vs. 16.8-18.7); larger eyes (30.9% HL vs. 27.1-28.7), a shorter (30.1% HL vs. 30.8-33.1) and narrower (27.7-% HL vs. 32.8-34.4) lower jaw, subequally bicuspid crowns to the teeth in the outer rows, fewer inner tooth rows in both jaws (5), larger scales on the occiput, cycloid scales on the caudal part of the dorsum, larger scales on the chest, and the lack of small cycloid scales on the anal/genital region (Ref. 27668).

生物學特性     字彙 (例如 epibenthic)

Inhabits rocky and shallow areas of the littoral zone (Ref. 4983). In the lake H. nigricans has been observed to graze on algae from rock surfaces (Ref. 558).

棲息於海濱區域的岩石與水淺區域。 (參考文獻 4983) 在湖 H. nigricans 中已經被觀察啃食藻類從岩石表面。 (參考文獻 558)

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

Mouthbrooding by females.非洲: 維多利亞湖與維多利亞尼羅河。

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

Seehausen, O., E. Lippitsch, N. Bouton and H. Zwennes, 1998. Mbipi, the rock-dwelling cichlids of Lake Victoria: description of three new genera and fifteen new species (Teleostei). Ichthyol. Explor. Freshwat. 9(2):129-228. (Ref. 27668)

IUCN 瀕危狀態 (Ref. 120744)

  資料不足 (DD) ; Date assessed: 01 April 2010

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [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):  2.2   ±0.1 se; Based on diet studies.
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 (13 of 100) .