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); thereuterion: The name refers to the predatory habits of this small species (Ref. 47153).
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Africa: Lake Victoria.
サイズ / 重さ / 年齢
Maturity: Lm ?  range ? - ? cm
Max length : 8.2 cm SL オス/雌雄の選別がない; (Ref. 47153); 7.6 cm SL (female)
背面の脊椎 (合計): 15 - 16; 背鰭 (合計): 8-10; 肛門の骨 3; 臀鰭: 7 - 10; 脊つい: 29 - 32. Small, slender, laterally compressed body (Ref. 47153). A rather acutely pointed snout (Ref. 47153). Lips slightly thickened (Ref. 47153). Lower jaw ventral outline almost straight, the rostral outline of lower jaw straight or slightly convex with a smoothly rounded mental area (Ref. 47153). Pectoral fins just reaching the anus; dorsal fin rays slightly longer than those of the anal fin, nearly reaching the caudal fin base (Ref. 47153). All scales on the head are cycloid; scales on rostral part of dorsum cycloid or very weakly ctenoid, caudal part of dorsum with ctenoid scales; scales on flank and caudal peduncle ctenoid; ventral chest scales small and cycloid, lateral chest scales moderately small, weakly ctenoid (Ref. 47153).Live basic color for males is bluish-grey dorsally and silvery white ventrally, sexually active males have a pitch black head and body; females and juveniles have a distinct, relatively thin mid lateral band, but the cheek of the females are slightly more greyish (Ref. 47153). Two continuous longitudinal bands on the body (Ref. 47153).
Haplochromis thereuterion occurs in the upper layers of the water column in Lake Victoria (Ref. 47153).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
van Oijen, M.J.P. and F. Witte, 1996. Taxonomical and ecological description of a species complex of zooplanktivorous cichlids from Lake Victoria. Zool. Verh. Leiden 302:56 p. (Ref. 47153)
Human uses
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=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-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).