Philippines country information

Common names: Abulong, Buan buan, Buan-buan
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: minor commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Specimens were collected in 1993 from Kiga and Calbiga-a creeks, Leyte (Ref. 7223). Found in Iwahig River, and creek near Pancol, Malampaya Sound, Palawan; Bais, Negros; Tarlac; Bulan, Sorsogon; Vigan, Ilocos Norte; Orani, Bataan; Rizal; Bulacan; Pampanga; Mindoro; Ragay Gulf (Ref. 280). Reported from Lake Bombon (=Taal), Batangas and Lake Naujan, Mindoro (Ref. 13446); Santiago River, Pagapas Bay, and Dumaca River, Luzon; Malaya River, Hinunangan Bay, Leyte; Talisay area in Lake Taal as part of gill net catch composition (Ref. 81207, 13446); Laguna de Bay in a 2005 assessment (Ref. 80824). Migrated into Lake Mainit via Tubay River, Mindanao (Ref. 4867, 13446). Found in milkfish pens/cages/ponds in Laguna de Bay (Ref. 13460). Not considered a good food fish (Ref. 2858). Collected from CLSU fish pond, Nueva Ecija as specimen for living fish museum (Ref. 81820). Also recorded as introduced to Paitan Lake, Tabuating River and Talavera River (Nueva Ecija) (Ref. 109918). Museum specimens collected in 1984 from various localities, LRS-84137 (Ref. 13460). Also Ref. 393, 9987, 12547, 12550.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Pauly, D., M. Small, R. Vore and M.L.D. Palomares, 1990
National Database:

Common names from other countries

Tarpon Indo-Pacifique, Tarpón del Indo-Pacífico, Oxeye tarpon, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Elopiformes (Tarpons and tenpounders) > Megalopidae (Tarpons)
Etymology: Megalops: Greek, megas, megalos = great + Greek, ops = appearance (Ref. 45335).

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

marien; zoet water; brak water benthopelagisch; amfidroom; diepte 1 - 50 m (Ref. 86942). Tropical; 34°N - 37°S, 16°E - 130°W

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Indo-Pacific: Persian Gulf (Ref. 68964), Red Sea and Natal, South Africa (Ref. 3969) to the Society Islands, north to southern Korea, south to the Arafura Sea (Ref. 9819) and New South Wales. Restricted to high islands (Palau, Caroline and Mariana islands) in Micronesia. Reported as far inland as the lower Shire in Malawi and the Save-Runde junction in Zimbabwe (Ref. 7248, 52193). Widespread in the Lower Zambezi River channels up to Marromeu and in the Micelo River up to Malingapanzi (Ref. 39494). South China Sea, Taiwan Strait, and East China Sea(Ref.33302).

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m ?, range 25 - ? cm
Max length : 150 cm TL mannelijk / geslacht onbekend; (Ref. 1479); common length : 30.0 cm SL mannelijk / geslacht onbekend; (Ref. 7017); common length :45.5 cm SL (female); max. gepubliceerd gewicht: 18.0 kg (Ref. 13337); max. gerapporteerde leeftijd: 44 Jaren (Ref. 72487)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 16 - 21; Anale stekels: 0; Anale zachte stralen: 23 - 31.

Obligate air-breathing (Ref. 126274); Adults are generally found at sea, but young inhabit river mouths, inner bays, and mangrove forests. In freshwater, they occur in rivers, lagoons, lakes, and swampy backwaters (Ref. 2847, 44894). Tolerate a wide pH range (5.2-9.1) (Ref. 44894) and salinities from 0 to 100. Mainly diurnal (Ref. 7017). Predaceous, feeding mainly on fishes and crustaceans (Ref. 5213). Breed offshore, possibly throughout the year. Larvae are transparent and resemble larval eels (Ref. 13337), but with a forked tail (Ref. 167). Juveniles commonly enter freshwater (Ref. 44894, 48635) in clear or turbid water (Ref. 44894). Known to breath air, rising regularly to the surface to do so. Cultured in ponds, the fry being sourced from the coasts (Ref. 7050). Popular angling fish (Ref. 3969). Edible but not esteemed (Ref. 3969). Caught by gill nets, seines, and trawls, and by hook-and-line; marketed fresh and dried salted (Ref. 10982).

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Whitehead, P.J.P., 1984. Megalopidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 3. [pag. var.]. FAO, Rome. (Ref. 3463)

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

Onvoldoende gegevens (DD) ; Date assessed: 29 June 2016

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: van minder commercieel belang; Aquacultuur: commercieel; sportvis: ja

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Estimates based on models

Preferred temperature (Ref. 115969): 19.8 - 27.6, mean 24.4 (based on 501 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 1.0020 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00741 (0.00532 - 0.01033), b=3.07 (2.97 - 3.17), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.5 ±0.1 se; based on diet studies.

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming tm<=4).

Prior r = 0.57, 95% CL = 0.37 - 0.85, Based on 2 data-limited stock assessments.

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Climate Vulnerability (Ref. 125649): High to very high vulnerability (75 of 100).

Prijsklasse (Ref. 80766): Low.

Megalops cyprinoides (Broussonet, 1782)