Classificação / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Placidochromis: Latin, placidus = of peaceful or tranquile appearance + Greek, chromis = a fish, perhaps a perch (Ref. 45335); borealis: From the Latin "borealis" = northern, named for its occurrence in the extreme north of Lake Malawi (Wissman Bay in Tanzania)(Ref. 55898).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico; intervalo de profundidade 53 - 61 m (Ref. 55898). Tropical
Africa: endemic to Lake Malawi, only known from Wissman Bay in Tanzania (Ref. 55898).
Tamanho / Peso / Idade
Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm SL macho/indeterminado; (Ref. 55898)
Espinhos dorsais (total) : 17; Raios dorsais moles (total) : 9; Espinhos anais: 3; Raios anais moles: 8. Diagnosis: head length 35.7 %SL; snout length 30.4 % head length; snout pointed; lower jaw length 37.4 % head length; outer oral dentition well developed bicuspid; gape inclined at about 20° from horizontal; premaxillary pedicel length 26.5 % head length; cheek depth 22.6 % head length; eye diameter 34.8 % head length; body depth 37.2 %SL (Ref. 55898).
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Hanssens, M., 2004. The deep-water Placidochromis species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-1)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
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).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).