Symphurus polylepis, Small-scale tonguefish

Symphurus polylepis Lee & Munroe, 2021

Small-scale tonguefish
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drawing shows typical species in Cynoglossidae.

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

> Pleuronectiformes (Flatfishes) > Cynoglossidae (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335)polylepis: Name from Greek 'poly' meaning many, and 'lepis' for scale, referring to the greater number of longitudinal scale rows compared with that of similar species of shallow-water tonguefishes.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien demersaal; diepte 0 - 23 m (Ref. 126065), usually 0 - 10 m (Ref. 126065). Tropical

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Western Pacific: Papua New Guinea.

Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?  range ? - ? cm
Max length : 5.0 cm SL mannelijk / geslacht onbekend; (Ref. 126065); 3.5 cm SL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 84 - 87; Anale zachte stralen: 68 - 74; Wervels: 46 - 48. is distinguished from all congeners by the combination of: ID pattern1-2-2-2-2 ; caudal-fin rays 12; vertebrae, 9 (3 +6) abdominal, 46-48 total; hypurals 4; D 84-87, A 68-74; longitudinal scale rows 88-94; transverse scale rows 32-34; scale rows on head posterior to lower orbit 17-19; fleshy ridge well developed on posterior part of ocular-side lower jaw; fleshy membrane covering both eyes; anterior margin of upper eye usually slightly in advance of anterior margin of lower eye; with fleshy flap continuous between ocular-side anterior nostril and anterior region of lower eye; upper head lobe is usually wider than lower head lobe; head length moderately long (HL = 21.9-23.8% of SL) and relatively large postorbital length (POL = 15.7-16.6% of SL, 69.3-73.3% of HL); preanal length relatively short (PAL = 23.5-24.6% of SL); snout short (SNL = 16.0-18.3% of HL, SNL/ED = 1.44-1.86), rounded to obliquely blunt anteriorly; head length usually shorter than head width (HW/HL= 1.02-1.14); dorsal-fin origin in posterior position at, or slightly posterior to, vertical through posterior margin of upper eye; predorsal length moderately long (PDL = 5.7-7.1% of SL; 24.4-31.4% of HL). Colouration: ocular side uniformly yellow to light-brown, blind side uniformly white, both sides with obvious dermal spots on bases of anteriormost dorsal- and anal-fin rays, and peritoneum bluish-black (Ref. 126065).
Cross section: flattened.

Biologie     Verklarende woordenlijst (bv. epibenthic)

More accurate information about geographic distribution, bathymetric distribution and substrata where this species is found needed to better understand the ecology, distribution and life history of this species (Ref. 126065).

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

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Lee, M.-Y. and T.A. Munroe, 2021. Unraveling cryptic diversity among shallow-water tonguefishes (Pleuronectiformes: Cynoglossidae: Symphurus) from the Indo-West Pacific region, with descriptions of five new species. Zootaxa 5039(1):1-5.5 (Ref. 126065)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00427 (0.00210 - 0.00866), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
3.2   ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen
(Ref. 120179)
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij
(Ref. 59153)
Low vulnerability (10 of 100). 🛈