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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Aulonocara: Greek, aulos = flute + Greek, kara = face, head (Ref. 45335); gertrudae: Named after Dr. Gertrud Dudin, wife of Ad Koning, for her moral support, her interest in cichlids, and for her patience (Ref. 40898).
Eponymy: Dr Gertrud Konings-Dudin née Dudin is a German biologist who became (2007) Assistant Professor of Biology, El Paso Community College. [...] (Ref. 128868), visit book page.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser benthopelagisch; tiefenbereich 3 - 30 m (Ref. 40898), usually 15 - ? m (Ref. 40898). Tropical
Africa: both western and eastern shores of Lake Malawi.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 11.0 cm SL Männchen/unbestimmt; (Ref. 40898)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 16 - 18; Rückenflossenweichstrahlen (insgesamt) : 9 - 11; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 8 - 9. Males from the northern populations with a bright orange patch on shoulder (absent in southern populations) (Ref. 40898).
Body shape (shape guide): fusiform / normal.
Found in sandy areas (Ref. 40898).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Territorial males either dig crater nests, defend a rocky cave (north of Ruhuhu), or dig a spawning pit against a rock. Mouthbrooder.
Konings, A., 1995. Lake Malawi cichlids. The Cichlids Yearbook 5:26-36. (Ref. 40898)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
3.6 ±0.4 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Assuming Fec<1000). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low vulnerability (15 of 100). 🛈 |
Nährstoffe (Ref. 124155) |
Calcium = 236 [131, 477] mg/100g; Iron = 1.87 [1.03, 3.70] mg/100g; Protein = 18 [17, 19] %; Omega3 = 0.503 [0.177, 1.439] g/100g; Selenium = 61.4 [24.1, 162.8] μg/100g; VitaminA = 62 [14, 176] μg/100g; Zinc = 3.08 [2.06, 4.69] mg/100g (wet weight); |