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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.
Environment: milieu / climate zone / εύρος βάθους / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό; εύρος βάθους 3 - 30 m (Ref. 40898), usually 15 - ? m (Ref. 40898). Tropical
Africa: both western and eastern shores of Lake Malawi.
Μέγεθος / Βάρος / Age
Γεννητική Ωρίμανση: Lm ? range ? - ? cm
Max length : 11.0 cm SL αρσενικό/απροσδιόριστο; (Ref. 40898)
Short description
Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία
Ραχιαίες άκανθες (συνολικά) : 16 - 18; Μαλακές ραχιαίες ακτίνες (συνολικά) : 9 - 11; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 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).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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 Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Αναφ.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Αναφ.
69278): 3.6 ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Αναφ.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Assuming Fec<1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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Nutrients (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);
