Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού Πελαγικό(ά); pH range: 6.0 - 7.0; dH range: ? - 8. Tropical; 24°C - 28°C (Ref. 12468)
Africa: occurs from Gambia to Chad basin except the Senegal River basin (Ref. 2936, 86396). Present in Republic of Congo (Ref. 81638), Cameroon and Gabon (Ref. 2936, 81638) and as far south as the Chiloango in Democratic Republic of the Congo (Ref. 94734). In the middle Congo basin, known from the Sangha drainage in Cameroon (Ref. 51193), Sangha and Alima and Republic of Congo (Ref. 42035) and Ubangi in Central African Republic (Ref. 2936, 94734).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 4.2 cm SL αρσενικό/απροσδιόριστο; (Ref. 7094)
Ραχιαίες άκανθες (συνολικά) : 0; Μαλακές ραχιαίες ακτίνες (συνολικά) : 12 - 15; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 10 - 11. Diagnosis: body depth 2.8-3.8x and head length 1.8-2.2x in SL (Ref. 2936, 86396). 33-35 lateral line scales (Ref. 2936, 81638, 86396). Laterosensory canal on lateral surface of head limited to arch of pores around ventral and posterior margins of orbit and associated with preopercle; 6th infraorbital (dermosphenotic) present, with laterosensory canal segment; infraorbital present at posterior margin of orbit; maxilla with 4 or fewer teeth; maxilla falling short of vertical through anterior margin of orbit; scaly process present at base of pelvic fin; dark pigmentation along lateral surface of body two scales wide or less; dark band on lateral surface of body passing through middle of caudal peduncle; base of caudal fin unpigmented or with rounded spot that falls distinctly short of dorsal and ventral margins of caudal peduncle (Ref. 81638). 12-15 total dorsal fin rays and 10-11 total anal fin rays (Ref. 2936, 81638, 86396).
Maximum TL was recorded at 5.3 cm (Ref. 7094).
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. 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. 7094)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00743 - 0.02338), b=3.12 (2.96 - 3.28), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
