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Characiformes (Characins) >
Alestidae (African tetras)
Etymology: Hemigrammopetersius: Greek, hemi = the half + Greek, gramma, .-atos = signal, mark + Peters, 1877, naturalist, expeditionary in Asia.
Eponymy: Dr Keppel Harcourt Barnard (1887–1964) was a UK-born South African invertebrate zoologist particularly interested in marine crustaceans. [...] (Ref. 128868), visit book page.
More on author: Herre.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce pelagico. Tropical; 24°C - 27°C (Ref. 2059); 13°S - 20°S
Africa: Lower Zambezi, Pungwe and Buzi systems; also upper Shire and lakes Malawi, Chilwa and Chiuta (Ref. 52193). Also Rovuma and Rufiji (Ref. 4967).
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm SL maschio/sesso non determinato; (Ref. 4967)
Spine dorsali (totale) : 0; Raggi dorsali molli (totale) : 10 - 11; Spine anali: 0; Raggi anali molli: 18 - 20.
Shoals in marginal vegetation of rivers and lakes (Ref. 52193). Feeds on small insects and invertebrates (Ref. 7248, 52193).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Paugy, D., 1984. Characidae. p. 140-183. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 5331)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesca: di nessun interesse; Acquario: Potenziale
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01072 (0.00484 - 0.02371), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.41 se; based on food items.
Resilienza (Ref.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).