分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cichliformes (Cichlids, convict blennies)
鱸形目 (Cichlids, convict blennies) >
Cichlidae (Cichlids)
慈鯛科魚類 (Cichlids) > Pseudocrenilabrinae
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335); pyrrhopteryx: The specific name refers to the bright, orange-red coloration of the median fins which is present in live specimens of both sexes, juveniles as well as adults (Ref. 42172).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性; 深度上下限 2 - 20 m (Ref. 42172), usually 10 - 16 m (Ref. 42172). 熱帶
Africa: Lake Victoria.
非洲: 維多利亞湖。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm 13.5 range ? - ? cm
Max length : 19.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 42172); 19.3 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 14 - 17; 背的軟條 (總數) : 8 - 10; 臀棘: 3; 臀鰭軟條: 8 - 10; 脊椎骨: 29 - 30. Diangosis: body moderately elongate, the head having a rather 'heavy' appearance (Ref. 42172). Snout somewhat blunt; mouth moderately oblique (Ref. 42172). Tip of the lower jaw always slightly protruding, rostral outline of lower jaw slightly convex (Ref. 42172). Strongly recurved unicuspid teeth in the oral jaws (Ref. 42172): 52-64 teeth in outer row of the premaxilla, 36-56 teeth in outer row of the lower jaw (Ref. 42172). Pectoral and pelvic fins not quite reaching the anal fin; anal and dorsal fin not reaching base of caudal fin (Ref. 42172). Cheek and nuchal area with cycloid scales only, gill cover with more cycloid scales than weakly ctenoid scales; scales on nape and body ctenoid (Ref. 42172). Live colors for males and females are black on ventral parts of head and body (Ref. 42172, 74923) and orange dorsally (Ref. 42172). All median fins orange; males and females have black pelvic fins (Ref. 42172). No midlateral band (Ref. 74923).
身體中等細長的, 頭部有一個相當 '重的' 外表.(參考文獻 42172) 吻略微鈍的; 嘴一般斜.(參考文獻 42172) 下面頜的頂端總是些微地伸出, 下頜的嘴輪廓些微中凸.(參考文獻 42172) 在口部的顎中強烈後彎的單犬齒:(參考文獻 42172) 在前頜骨的外部列中的 52-64個齒, 在下面頜的外部列中的 36-56個齒.(參考文獻 42172) 胸鰭與腹鰭不完全達到臀鰭; 臀鰭與背鰭不達到尾鰭基底。 (參考文獻 42172) 頰與頸背的區域有圓鱗只有，鰓蓋超過些微櫛狀的鱗片有更圓形的鱗片; 在後頸與身體上的鱗片有櫛鱗的.(參考文獻 42172) 活體顏色雄魚與雌性在頭部與身體的腹部份上是黑色的而背面是橘色的; 所有的中央鰭橘色的; 雄性而且母魚有黑色的腹鰭.(參考文獻 42172)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
非洲: 維多利亞湖。
van Oijen, M.J.P., 1991. A systematic revision of the piscivorous haplochromine Cichlidae (Pisces: Teleostei) of Lake Victoria (East Africa). Part I. Zool. Verh. Leiden 272:95 p. (Ref. 42172)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-2)
極危 (CR) (C2a(ii)); Date assessed: 31 March 2010
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 4.1 ±0.69 se; based on food items.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (14 of 100).
