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Ovalentaria/misc (Various families in series Ovalentaria) >
Ambassidae (Asiatic glassfishes)
Etymology: Ambassis: Derived from Greek, anabasis = climbing up (Ref. 45335).
More on author: Lacepède.
Taxonomic Remarks
Considered as a nomen dubium by Anderson & Heemstra, 2003 (Ref. 50956:200); no types known and illustration and description were found undiagnostic.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien; zoet water; brak water demersaal; pH range: 7.2 - 8.2; amfidroom (Ref. 51243). Tropical; 22°C - 28°C (Ref. 12468)
Indo-West Pacific: South and East Africa, including Mauritius, Réunion, Madagascar and Seychelles, to Philippines, north to India, south to northern Australia (Ref. 33390). Extends south on African coast at least to Algoa Bay, South Africa (Ref. 4318).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 16.0 cm TL mannelijk / geslacht onbekend; (Ref. 4180)
Dorsale stekels (totaal) : 7 - 8; Dorsale zachte stralen (totaal) : 8 - 10; Anale stekels: 3; Anale zachte stralen: 8 - 10.
Body shape (shape guide): fusiform / normal; Cross section: oval.
Fairly common in marine and fresh waters (Ref. 4180); found in shallow waters; common in estuaries; may enter lower reaches of rivers. Can tolerate fresh water only within a narrow temperature (23-26°C). Feeds mainly at night on crustaceans, but also takes small fishes, fish eggs and larvae in estuaries (Ref. 7248). Marketed dried, salted and fresh (Ref.97399).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Maugé, L.A., 1986. Ambassidae. p. 297-298. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 2. (Ref. 4180)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang; aas: occasionally
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 24.2 - 29.1, mean 28.1 °C (based on 1254 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00746 - 0.02125), b=3.02 (2.88 - 3.16), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.9 ±0.56 se; based on food items.
Generation time: 0.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (k=1.20).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (12 of 100).
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