分類 / 名前
共通名の | 類義語 | Catalog of Fishes(部類, 種) | ITIS | CoL | WoRMS | Cloffa
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Parananochromis: Greek, para = the side of + Latin, nannus = small + Greek, chromis = a fish, perhaps a perch (Ref. 45335).
More on author: Boulenger.
環境:環境 / 気候帯 / 深さの範囲 / 分布範囲
生態学
; 新鮮な水 底生の; pH range: 6.0 - ? ; dH range: ? - 2. Tropical; 23°C - 25°C (Ref. 2060)
Africa: drainages of the Lokundje, Nyong, Ntem and Dja (Cameroon) (Ref. 81260). Also in the Ntem system in Gabon (Ref. 81260) and Equatorial Guinea (Ref. 5673). Restricted to forested areas (Ref. 5673).
サイズ / 重さ / 年齢
成熟: Lm ?  range ? - ? cm
Max length : 10.0 cm SL オス/雌雄の選別がない; (Ref. 81260)
背面の脊椎 (合計) : 14 - 16; 背鰭 (合計) : 9 - 12; 肛門の骨: 3; 臀鰭: 6 - 8. Diagnosis: lachrymal plus four tubular infraorbitals; slight gap between third and fourth tubular infraorbital; snout rounded; soft dorsal and anal fins, and caudal fin usually densely marked with vertically aligned rows of maculae in both sexes, those on caudal fin coalesced and usually forming a series of vertical bands (Ref. 81260).
Body shape (shape guide): fusiform / normal.
Monogamous, biparental, substrate spawner displaying some degree of sexual dichromatism (Ref. 81260). Pair-bonding, cave spawner (Ref. 52307).
ライフサイクルと交尾行動
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Spawns in caves.
Daget, J., 1991. Parananochromis. p. 356-357. 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. 5673)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-2 (Global))
人間の用途
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インターネットの情報源
モデルに基づく推定値
系統多様性指数 (参照 82804) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
栄養段階 (参照 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
回復力 (参照 120179) |
高い, 15か月以下の倍増期間の最小個体群 (tm<1). |
漁業の脆弱性 (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |