分類 / Names
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Characiformes (Characins) >
Erythrinidae (Trahiras)
Etymology: Hoplias: Greek, hoplon = weapon (Ref. 45335).
Eponymy: Dr João Batista de Lacerda (1845–1915) was a physician, biomedical scientist and anthropologist. [...] (Ref. 128868), visit book page.
Issue
See Britski, 1970(81-82) for diganose and differentiation of Hoplias malabaricus.
Environment: milieu / climate zone / 深さの範囲 / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
South America: Ribeira de Iguape River basin in São Paulo and Paraná, Brazil.
サイズ / 重さ / 年齢
成熟: Lm ? range ? - ? cm
Max length : 75.0 cm SL オス/雌雄の選別がない; (Ref. 37025); 最大公表体重: 4.3 kg (Ref. 79585)
簡単な記述
検索表 | 形態学 | 形態計測学
This species is distinguished from the other species of H. lacerdae group in having 6-8 pores of the laterosensory system along the ventral surface of dentary (vs. 4-6 in H. brasiliensis and H. intermedius, always 5 in H. australis and 4 in H. curupira); 43-48 scales along lateral line (vs. 38-43 H. brasiliensis and 34-39 in H. curupira) (Ref. 81195).
Body shape (shape guide): elongated; Cross section: circular.
Piscivorous (Ref. 79585).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Oyakawa, O.T. and G.M.T. Mattox, 2009. Revision of the Neotropical trahiras of the Hoplias lacerdae species-group (Ostariophysi: Characiformes: Erythrinidae) with descriptions of two new species. Neotrop. Ichthyol. 7(2):117-140. (Ref. 81195)
IUCNのレッドリストの状況は (Ref. 130435: Version 2025-1)
Human uses
水産業: 商業; 水産養殖: 商業
用具
特記事項
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インターネットの情報源
Estimates based on models
Phylogenetic diversity index (参照
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00410 - 0.01339), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
栄養段階 (参照
69278): 4.3 ±0.7 se; based on size and trophs of closest relatives
回復力 (参照
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).
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