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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina; sötvatten; brackvatten bottenlevande; pH range: 7.2 - 8.2; amfidrom (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).
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 16.0 cm TL hane/ej könsbestämd; (Ref. 4180)
Taggstrålar i ryggfenan (totalt) : 7 - 8; Mjukstrålar i ryggfenan (totalt) : 8 - 10; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 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).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell; bete: occasionally
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 24.2 - 29.1, mean 28.1 °C (based on 1254 cells).
Index för fylogenetisk mångfald (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).
Trofisk nivå (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.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (k=1.20).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (12 of 100).
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