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> Pleuronectiformes (Flatfishes) > Cynoglossidae (Tonguefishes) > Symphurinae
Etymology: Symphurus: Greek, syn, symphysis = grown together + Greek, oura = tail (Ref. 45335); longirostris: Name from Latin 'long' for long and 'rostris' for snout; referring to the relatively long snout (especially when compared with S. microrhynchus.).

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

समुद्री ड़िमरसल; गहराई सीमा 45 - 100 m (Ref. 109580), usually 60 - 90 m (Ref. 109580). Subtropical

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Northwestern Pacific: Japan.

Length at first maturity / आकार / वज़न / Age

Maturity: L_m ?, range 4 - 6.55 cm
Max length : 6.2 cm SL पुल्लिंग / अलिंग; (Ref. 109580); 6.6 cm SL (female)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 81 - 88; ऐनल सौफट रेज़: 68 - 74; जानवरों की रीड़ का जोड़: 45 - 48. This species is distinguished from all its congeners by the following set of characters: ID pattern1-2-2-2-2; caudal-fin rays 12; vertebrae, abdominal 9 and total 45-48; hypurals 4; D 81-88; A 68-74; ongitudinal scale rows 56-66; transverse scales 21-26; scale rows on the head posterior to the lower orbit 11-14; with a well-developed fleshy ridge on the posterior ocular side lower jaw; upper and lower eyes covered with a membrane; a membranous flap contiguous from anterior nostril to anteroventral margin of lower eye; upper head lobe wider than the lower head lobe; differs friom S. microrhynchus and S. holothuriae, by having a shorter head and postorbital lengths, longer snout and predorsal lengths, a different snout shape, and with the anterior margin of the upper eye equal to, or slightly in advance of, that of the lower eye. Colouraton: ocular-side uniformly yellow to light brown; blind-side uniformly white without pepper dots; distinct dermal spots on both sides of the bases of the dorsal and anal fins; peritoneum bluish black on its dorsalmost aspect (Ref. 109580).

Occurs on continental shelf, collected on muddy substrata or a mixture of mud and sand. Caught by bottom trawls (Ref. 109580).

Life cycle and mating behavior परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा

Main reference Upload your references | संदर्भ | संयोजक | सहयोगीयो

Lee, M.-Y., T.A. Munroe and Y. Kai, 2017. Description of a new cryptic species of tonguefish (Pleuronectiformes: Cynoglossidae: Symphurus) from shallow waters off Japan. Ichthyol. Res.64:71-83. (Ref. 109580)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Least Concern (LC) ; Date assessed: 28 July 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

मात्स्यिकी:

FAO - Publication: search | FishSource |

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इंटरनेट स्रोत

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00190 - 0.00797), b=3.17 (3.00 - 3.34), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.4 se; based on size and trophs of closest relatives

लौटाव (Ref. 120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).

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

Symphurus longirostris Lee, Munroe & Kai, 2016