Papua New Guinea country information

Common names: Glassfish, Long-spined perchlet, Perchlet
Occurrence: native
Salinity: freshwater
Abundance: common (usually seen) | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Wewak, Manus Island, Madang and from the lower Sepik, Ramu, Fly and Oriomo rivers. Common in the lower section of the Sepik River and occurs as far upstream as Pagwi, about 200 km from the river mouth (Ref. 7242). Also Ref. 6192, 13533.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/pp.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/PNG/png.htm
Occurrences: Occurrences Point map
Main Ref: Allen, G.R., 1991
National Database:

Common names from other countries

Longspine glassfish, Interrupta glassy perchlet, Perchlet, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | 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: Bleeker.

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

marien; zoet water; brak water demersaal; amfidroom (Ref. 59012). Tropical; 19°N - 23°S

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Asia: Indo-Australian Archipelago, including Indonesia, the Philippines, Borneo, Java, New Guinea, Vanuatu, New Caledonia, to northern Australia and the Andaman Sea. Reported from Palau (Ref. 6371) and the Ryukyu Islands (Ref. 559).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 7.0 range ? - ? cm
Max length : 12.0 cm TL mannelijk / geslacht onbekend; (Ref. 7050); common length : 5.0 cm SL mannelijk / geslacht onbekend; (Ref. 7242); max. gepubliceerd gewicht: 12.00 g (Ref. 7242)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 8; Dorsale zachte stralen (totaal): 9-10; Anale stekels 3; Anale zachte stralen: 9 - 10. Body very high, 50% of SL. Lateral line incomplete, but a few pored scales on a silvery midlateral band. Lower margin of inter operculum with few spines. The second spine of the first dorsal fin is strong and very long.

Found in brackish-water, mangrove, estuarine and freshwater-stream habitats, usually within 20 km of the sea (Ref. 2847). They occur at temperatures ranging from 28 to 32°C. Found in schools and migrate to freshwater. Mainly diurnal. A predominantly marine or estuarine spawner. Caught by hand and scoop nets (Ref. 7242).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

A nonobligatory plant spawner.

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Allen, G.R., 1991. Field guide to the freshwater fishes of New Guinea. Publication, no. 9. 268 p. Christensen Research Institute, Madang, Papua New Guinea. (Ref. 2847)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet bedreigd (LC) ; Date assessed: 11 May 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van minder commercieel belang

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Estimates based on models

Preferred temperature (Ref. 115969): 26.7 - 29.1, mean 28.4 (based on 1018 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01175 (0.00677 - 0.02038), b=2.96 (2.81 - 3.11), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 2.7 ±0.1 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Fec=29,000-310,000).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Prijsklasse (Ref. 80766): Low.

Ambassis interrupta Bleeker, 1853