Philippines country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Type locality, Pulang Duta, Guimares Island, USNM 346941 (holotype of Ungusurculus williamsis, 4.5 cm SL, male). Specimens collected from a rocky cave in Guimares Island (= Guimaras, Panay?) (Ref. 76869).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
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Occurrences: Occurrences Point map
Main Ref: Schwarzhans, W. and P.R. Møller, 2007
National Database:

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> Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Ungusurculus: Name from Latin words 'ungulus' (= claw) and 'surculus' (= grapevine tendril), refers to the functional analogy with the pseudoclaspers and the specific shape of the inner pseudoclasper.; williamsi: Named in honour of Jeffrey T. Williams, USNM, Washington D.C..
More on authors: Schwarzhans & Møller.

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

marien demersaal; diepte 0 - 4 m (Ref. 76869). Tropical

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Western Pacific: Philippines.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 4.5 cm SL mannelijk / geslacht onbekend; (Ref. 76869)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 79 - 85; Anale zachte stralen: 59 - 63; Wervels: 42 - 43. This species is distinguished by the following characters: D 79-85, A 59-63, D/A 24-26, V in D 2.2-2.4; vertebrae 12+30-31=42-43; anterior nostril located 1/4 the distance from upper lip to aggregate distance to anterior margin of eye; free pseudoclaspers 2 pairs, outer pseudoclasper wing-shaped with broad base and distally widened supporter without anterior hook, while the inner pseudoclasper is short, half the length of outer one, with slightly broadened base, distally with two inwardly directed weak spines; cheeks with 4-6 scale rows on upper part and 3 rows on lower part; no upper preopercular pore; otolith compressed, its length to height is 1.9-2.1, pointed anterior and posterior tips, the latter expanded, projecting sharp postdorsal angle, short sulcus, wide with fused colliculi, its centre slightly anterior of centre of otolith, inclined about 10°, otolith length to sulcus length is 2.2-2.4 (Ref. 76869).

Based on collection site, this species is probably adapted to non-reef related rocky inshore environments (Ref. 76869). Cryptic and solitary, inhabitant of reef crevices and caves about 0-4 m (Ref 90102).

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Schwarzhans, W. and P.R. Møller, 2007. Review of the Dinematichthyini (Teleostei: Bythitidae) of the Indo-west Pacific. Part III. Beaglichthys, Brosmolus, Monothrix and eight new genera with description of 20 new species. The Beagle, Records of the Museums and Art Galleries of the Northern Territory 23:29-110. (Ref. 76869)

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

Onvoldoende gegevens (DD) ; Date assessed: 02 March 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Visserij: van geen belang

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Estimates based on models

Preferred temperature (Ref. 115969): 28.4 - 29.2, mean 28.8 (based on 199 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 3.2 ±0.5 se; based on size and trophs of closest relatives

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

Ungusurculus williamsi Schwarzhans & Møller, 2007