klasifikasi / Names
Nama-nama umum | Sinonim (persamaan) | Catalog of Fishes(Marga, Jenis) | ITIS | CoL | WoRMS | Cloffa
>
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); trewavasae: Named in honour of Dr. Ethelwynn Trewavas, who worked on cichlid taxonomy from the late 1920s until her death in 1993; considered the founding "mother" of Malawi cichlid taxonomy (Ref. 55898).
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; air tawar bentopelagis; kisaran kedalaman 50 - 70 m (Ref. 55898). Tropical
Africa: endemic to Lake Malawi, present in the southeastern arm of the lake in Malawi (Ref. 55898).
Size / Weight / umur
Maturity: Lm ? range ? - ? cm
Max length : 6.5 cm SL jantan/; (Ref. 55898)
Duri punggung (Keseluruhan (total)) : 15; duri punggung lunak (Keseluruhan (total)) : 10; Duri dubur: 3; Sirip dubur lunak: 8 - 9. Diagnosis: head length 35.4-36.4 %SL; snout length 30.0-33.3 % head length; lower jaw length 40.0-41.3 % head length; premaxillary pedicel length 34.0-35.6 % head length; lachrymal 18.2-19.6 % head length; eye diameter 35.3-36.1 % head length; interorbital width 17.8-20.0 % head length; 21-24 gill-rakers on lower limb of first arch; predorsal distance 37.7-39.1 %SL (Ref. 55898).
Life cycle and mating behavior
Maturities | Reproduksi, perkembang biakan | Spawnings | Egg(s) | Fecundities | Larva
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)
Status IUCN Red List (Ref. 130435)
ancaman kepada manusia
Harmless
penggunaan manusia
Alat, peralatan
laporan khas
muat turun XML
Sumber 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=0.01514 (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).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Daya lenting (Ref.
120179): Tinggi, Waktu penggandaan populasi minimum kurang dari 15 bulan (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
