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Perciformes/Serranoidei (Groupers) >
Anthiadidae (Fairy basslets or Streamer basses)
Etymology: Pelontrus: The meaning of Pelontrus remains unclear, as it is not specified by Smith (1961); takasei: Named for Mr Wataru Takase, who collected the holotype.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina revassocierade; djupintervall 48 - 60 m (Ref. 117635). Subtropical
Northwest Pacifc: Japan.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 4.0 cm SL hane/ej könsbestämd; (Ref. 117635)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 10; Mjukstrålar i ryggfenan (totalt) : 15; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 7; Ryggkotor: 26. This species is distinguished from its congeners by the following set of characters: D X,5, fourth dorsal-fin spine longest and no fleshy flaps on dorsal-fin spines; pectoral rays 13, all unbranched; branched caudal-fin rays 8 + 7; lateral line scales 28 (including intermittent and terminal pitted scales); circumpeduncular scales 12; preopercle without antrorse spines or serrations ventrally, with 2–3 weak serrations or crenulations posteriorly (Ref. 117635).
Cross section: compressed.
This species is only known from Izu Ocean Park, where it has been collected and photographed on rocky reefs at depths of 48-60 meters (Ref. 117635)
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Gill, A.C., Y.-K. Tea and H. Senou, 2016. Plectranthias takasei, a new species of anthiadine fish from southern Japan (Teleostei: Serranidae). Zootaxa 4205(4):349-356. (Ref. 117635)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: av potentiellt intresse
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02512 (0.00987 - 0.06393), b=2.97 (2.74 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |