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Perciformes/Uranoscopoidei (Sand dwellers) >
Pinguipedidae (Sandperches)
Etymology: Parapercis: Greek, para = the side of + Greek, perke = perch (Ref. 45335).
Eponymy: Dr Osamu Okamura was Professor Emeritus at the Laboratory of Natural Science, Kochi University, where he was Professor of Zoology (1989). [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande. Subtropical
Northwest Pacific: Japan and Taiwan.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 13.0 cm SL hane/ej könsbestämd; (Ref. 559)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 5; Mjukstrålar i ryggfenan (totalt) : 23; Taggstrålar i analfenan: 1; Mjukstrålar i analfenan: 19 - 20. This species is distinguished from its congeners by the following set of characters: D V,23 with spines larger posteriorly; A I,19-20 (modally 19); pectoral-fin rays 18; lateral-line scales 60-61, median predorsal scales 9-10; opercular spines 2; moderate eye with eye/head length as 36.1-38.8% (mean 37.7%); mouth somewhat large with mouth/head length 34.7-35.2% (mean 35.1%); mandibular pores 3+2+3. Colouration: body with dorsally 2/3 region generally creamy yellow and about 11-12 crossing yellow stripes below mid-lateral body; spiny dorsal fin region is pale; upper jaw mostly yellow; pectoral fin with a cluster of black marks dorsally; caudal fin uniformly yellow in lower half with about 4 vertical yellow lines, its upper base bears a large deep black blotch (Ref. 94988).
Cross section: oval.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984. The fishes of the Japanese Archipelago. Vol. 1. Tokai University Press, Tokyo, Japan. 437 p. (text). (Ref. 559)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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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=0.00692 (0.00314 - 0.01524), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±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 (24 of 100). 🛈 |