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Ambassis gymnocephalus (Lacepède, 1802)

Bald glassy
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Native range | All suitable habitat | Point map | Year 2050
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Ambassis gymnocephalus   AquaMaps   Data sources: GBIF OBIS
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Image of Ambassis gymnocephalus (Bald glassy)
Ambassis gymnocephalus
Picture by Ramani Shirantha


Thailand country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported from Paknam (Samut Prakan), Bangkok, Tha Chin river (Samut Sakhon), Pak Payoon (Phatthalung), Tale Sap, Klong Wan (Prachuap Khiri Khan), Songkhla and Si Racha (Chon Buri) (Ref. 37773).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/th.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Monkolprasit, S., S. Sontirat, S. Vimollohakarn and T. Songsirikul, 1997
National Database:

Common names from other countries

Classification / Names Nombres comunes | Sinónimos | Catalog of Fishes(Género, Especie) | ITIS | CoL | WoRMS | Cloffa

> Ovalentaria/misc (Various families in series Ovalentaria) > Ambassidae (Asiatic glassfishes)
Etymology: Ambassis: Derived from Greek, anabasis = climbing up (Ref. 45335).
  More on author: Lacepède.

Issue
Considered as a nomen dubium by Anderson & Heemstra, 2003 (Ref. 50956:200); no types known and illustration and description were found undiagnostic.

Environment: milieu / climate zone / depth range / distribution range Ecología

marino; agua dulce; salobre demersal; pH range: 7.2 - 8.2; anfidromo (Ref. 51243).   Tropical; 22°C - 28°C (Ref. 12468)

Distribución Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri

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).

Tamaño / Peso / Age

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL macho / no sexado; (Ref. 4180)

Short description Claves de identificación | Morfología | Morfometría

Espinas dorsales (total) : 7 - 8; Radios blandos dorsales (total) : 8 - 10; Espinas anales: 3; Radios blandos anales: 8 - 10.

Biología     Glosario (por ej. epibenthic)

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).

Life cycle and mating behavior Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva

Main reference Upload your references | Referencias | Coordinador | Colaboradores

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)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 15 September 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

Pesquerías: escaso valor comercial; carnada: occasionally
FAO(Publication : search) | FishSource |

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Trophic ecology
componentes alimenticios
Diet compositions
Food consumptions
Food rations
Despredadores
Ecology
Ecología
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Life cycle
Reproducción
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Estimates based on models

Preferred temperature (Ref. 115969): 24.2 - 29.1, mean 28.1 (based on 1254 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00743 - 0.02338), b=3.01 (2.86 - 3.16), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Nivel trófico (Ref. 69278):  3.9   ±0.56 se; based on food items.
Resiliencia (Ref. 120179):  Alto, población duplicada en un tiempo mínimo inferior a 15 meses (k=1.20).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (12 of 100).
Price category (Ref. 80766):   Low.