Philippines country information

Common names: Bia, Sinarapan, Tabios
Occurrence: endemic
Salinity: freshwater
Abundance: | Ref:
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: protected | Ref:
Uses: no uses
Comments: Type locality of Mistichthys luzonensis Lake Buhi, Luzon Island, USNM 50303-04 (syntypes) (Ref. 97102). Originally found in Lake Buhi, Camarines Sur, the pygmy goby was exceedingly abundant until 1960 after which it declined and faced extinction in 1978. Tilapia (Oreochromis mossambicus and O. niloticus), grunt or ayungin (Therapon sp.), snakehead (Ophicephalus striatus), and possibly the goby (Glossogobius sp.) introduced in the lake and feeding on this species contributed to the decline of the population. Collected a specimen for the living fish museum (Ref. 81820). The only viable stock is found in Lake Manapao (Camarines Sur Province), now declared as a sanctuary for this vulnerable species. Also used as an aquarium species (Ref. 12157). Also Ref. 12550, 94476.
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: Herre, A.W.C.T., 1953
National Database:

Common names from other countries

吕宋神秘鰕虎鱼, Luzoni kääbusmudil, Luzonintokko, ... more

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

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobionellinae
Etymology: More on author: Smith.

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

; zoet water demersaal; standvastig; diepte 0 - 12 m. Tropical; 14°N - 13°N

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Asia: found only in the Philippines in Lakes Buhi, Bato, Katugday and Manapao in Camarines Sur Province and along the Bicol River system. Threatened due to overfishing and predation by introduced fish species.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: L_m 1.0, range 1 - 1.1 cm
Max length : 2.5 cm TL mannelijk / geslacht onbekend; (Ref. 4865); max. gerapporteerde leeftijd: 2.45 Jaren (Ref. 48352)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 4; Dorsale zachte stralen (totaal): 6-8; Anale stekels 1; Anale zachte stralen: 8 - 10. Fresh specimens transparent, with large eyes showing the only color, black. Males smaller than females, shorter and more slender. Head naked; body covered with deciduous scales. Scales in longitudinal series 23-24; in transverse series 6. Sides and back of head with few dark or black spots.

Adults occur from the shoreline to depths of at least 12 m. Caught with collapsible Y-shaped push-nets (sakag); also aggregated using a device (abung) wherein the fish comes to rest upon palm leaves and are then harvested using triangular nets (sarap). Sinarapan is a delicacy and of great economic importance to the communities around the lakes. Listed in the Guinness Book of World Records as 'smallest food fish' (Ref. 6472).

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

Males sometimes mature below 1 cm; females a little over 1.1 cm. The eggs are pelagic. Upon hatching, the young swims at the surface for a short while, then settles at the bottom.

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Herre, A.W.C.T., 1953. Check list of Philippine fishes. Res. Rep. U.S. Fish Wild. Serv. (20):1-977. (Ref. 280)

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

Kwetsbaar, zie IUCN Rode Lijst (VU) (B1ab(iii)+2ab(iii)); Date assessed: 07 September 2020

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

Visserij: commercieel; Aquarium: Commercieel

FAO(Publication : search) | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00575 (0.00311 - 0.01063), b=3.11 (2.95 - 3.27), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.1 ±0.30 se; based on food items.

Weerstandsvermogen (Ref. 120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=2.25; tmax=2.4).

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

Prijsklasse (Ref. 80766): Very high.

Mistichthys luzonensis Smith, 1902