分類 / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Haplochromis: Greek, Haploos = single + Greek, chromis = a fish, perhaps a perch (Ref. 45335); vanheusdeni: The species name vanheusdeni honours the Dutchman Hans van Heusden, one of the most dedicated cichlid naturalists, who has documented for the first time with underwater photographs and videos as well as with aquarium observations the behaviour and ecology of this species and many other cichlids all over Africa (Ref. 97348).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Africa: Great Ruaha River basin, Tanzania (Ref. 97348).
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 8.4 cm SL オス/雌雄の選別がない; (Ref. 97348)
簡単な記述
形態学 | 形態計測学
背面の脊椎 (合計): 16 - 18; 背鰭 (合計): 8-10; 肛門の骨 3; 臀鰭: 6 - 8; 脊つい: 28 - 29. Diagnosis: Haplochromis vanheusdeni can be distinguished from all species of the genus Orthochromis except O. torrenticola by the presence of egg spots on the anal fin in both males and females vs. no egg spots, and by hypuralia 1 and 2 and hypuralia 3 and 4 either clearly separated or separated by a clearly visible seam vs. never fused into a single seamless unit (Ref. 97348). It can be distinguished from Orthochromis kalungwishiensis, O. kasuluensis, O. luongoensis and O. torrenticola by having fewer caudal vertebrae, 14-16 vs. 17; and fewer total vertebrae, 28-30 vs. 31-33; from O. rugufuensis and O. uvinzae by having fewer total vertebrae, 28-30 vs. 31-33, and dorsal fin spines, 16-17 vs. 19-20; from O. polyacanthus and O. rubrolabialis by having fewer inner series of teeth in the lower jaw, 1-2 vs. 3-5, and fewer dorsal fin spines, 16-17 vs. 18-20; and from O. malagaraziensis by having more scales between the lateral line and the dorsal fin origin, 3-4 vs. 5-6; from O. machadoi, O. mazimeroensis, O. stormsi and Haplochromis bakongo by having a scaleless chest vs. a scaled chest; from O. mosoensis by having small cycloid scaled on the belly vs. no scales; from O. luichensis by the different stripe and bar patterns on the head ; from Schwetzochromis neodon by the presence of lachrymal stripes and fewer inner teeth rows in both jaws, 1-3 vs. 4-6; from Haplochromis snoeksi by having fewer scales on the horizontal line, 26-29 vs. 30-31, and on upper lateral line, 20-22 vs. 23, and in having fewer caudal vertebrae, 14-16 vs. 17 (Ref. 97348).
Haplochromis vanheusdeni is a benthic-rheophilic fish, mostly found among stones over sand and debris in smaller streams or larger rivers (Ref. 97348). Underwater observations suggest a mixed diet of sand-and-debris dwelling organisms and drifting food particles (Ref. 98348). Large males and brood-caring females defend small territories, sometimes centred around a whole under stones; it is a maternal mouthbrooder (Ref. 97348).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Large males and brood-caring females defend small territories, sometimes centred around a whole under stones; it is a maternal mouthbrooder (Ref. 97348).
Schedel, F.D.B., J.P. Friel and U.K. Schliewen, 2014. Haplochromis vanheusdeni, a new haplochromine cichlid species from the Great Ruaha River drainage, Rufiji basin, Tanzania. Spixiana 37(1):135-149. (Ref. 97348)
Human uses
水産業:
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
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=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
