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); planus: Specific name from Latin planus, flat, referring to its flat, shovel-like lower jaw (Ref. 126074).
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 大洋性.
Africa: endemic to Lake Edward (Ref. 126074).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 8.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 126074)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 14 - 16; 背的軟條 (總數) : 9 - 10; 臀棘: 3; 臀鰭軟條: 8 - 9; 脊椎骨: 20 - 21. Diagnosis: Haplochromis planus differs from all other species of Haplochromis, except H. retrodens from Lake Victoria, by a shallow, broad and rectangular lower jaw with ascending arms steeply sloping upwards, enlarged and distinctly visible intrabuccally; oral-tooth bands U-shaped and, in large specimens of more than 75 mm standard length, set posteriorly with large and stout inner and outer teeth, especially in upper jaw; all oral mucosa in lower jaw at same height and oral-breathing valves strongly reduced to narrow, rectangular skin folds (Ref. 126074). It differs from H. retrodens by larger eyes, 35.7-41.6% of head length vs. 23.8-29.6%, correlated shorter snout, 24.6-28.8% of head length vs. 29.0-36.8%, and more slender interorbital width, 19.1-22.1% of head length vs. 24.2-33.8%, and dominant males with scarlet to red vs. dark grey-green flanks (Ref. 126074). It differs from H. concillans and H. erutus by a shallow vs. deep lower jaw, a narrower interorbital region, 19.1-22.1% of head length vs. 22.5-26.4% and 23.4-27.2% respectively, and dominant males with scarlet to red vs. blue-silver and silver-beige flanks, respectively; it differs further from H. concillans by a longer premaxillary pedicel, 21.9-24.4% of head length vs. 16.1-21.6%, and from H. erutus by a longer upper jaw, 27.6-32.1% of head length vs. 20.9-26.0% (Ref. 126074).
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
Vranken, N., M. Van Steenberge and J. Snoeks, 2020. Similar ecology, different morphology: three new species of oral-mollusc shellers from Lake Edward. J. Fish Biol. 96(5):1202-1217. (Ref. 126074)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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): 3.3 ±0.4 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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
